{"id":133,"date":"2010-04-17T23:08:59","date_gmt":"2010-04-18T08:08:59","guid":{"rendered":"\/blog\/?p=133"},"modified":"2023-09-21T09:39:21","modified_gmt":"2023-09-21T00:39:21","slug":"uml%ec%9d%98-%ea%b8%b0%ec%b4%88-%ed%81%b4%eb%9e%98%ec%8a%a4-%eb%8b%a4%ec%9d%b4%ec%96%b4%ea%b7%b8%eb%9e%a8","status":"publish","type":"post","link":"https:\/\/hasu0707.duckdns.org\/blog\/?p=133","title":{"rendered":"UML\uc758 \uae30\ucd08: \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8"},"content":{"rendered":"\n<TABLE border=0 cellSpacing=0 cellPadding=0 width=\"100%\">\n<TBODY>\n<TR vAlign=top>\n<TD width=10><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/i\/c.gif\" width=10 height=1><\/TD>\n<TD width=\"100%\">\n<P><A href=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/#author\" _cssquery_UID=\"72\" cmImpressionSent=\"1\"><FONT color=#5c81a7>Donald Bell<\/FONT><\/A>, IT Specialist, IBM\u3000<br \/><\/P>\n<P>2007 \ub144 5 \uc6d4 22 \uc77c<\/P>\n<BLOCKQUOTE>The Rational Edge \ubc1c\ucdcc: UML 2\uc758 \uc0c8\ub85c\uc6b4 \uad6c\uc870 \ub2e4\uc774\uc5b4\uadf8\ub7a8 \uc720\ud615 \uc911 \uac00\uc7a5 \uc911\uc694\ud55c \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc740 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uac1c\ubc1c \uc0ac\uc774\ud074 \ub3d9\uc548 \ubd84\uc11d\uac00, \ube44\uc988\ub2c8\uc2a4 \ubaa8\ub378\ub7ec, \uac1c\ubc1c\uc790, \ud14c\uc2a4\ud130\uc5d0 \uc758\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. <\/BLOCKQUOTE><!--START RESERVED FOR FUTURE USE INCLUDE FILES--><!-- include java script once we verify teams wants to use this and it will work on dbcs and cyrillic characters --><!--END RESERVED FOR FUTURE USE INCLUDE FILES-->\n<P><IMG style=\"CURSOR: pointer\" id=userImg9453927 onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" align=right src=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/bell_ill.jpg\" onload='setTimeout(\"resizeImage(9453927)\",200)'> <I>\uc774 \uae00\uc740 Unified Modeling Language(UML)\uc5d0\uc11c \uc0ac\uc6a9\ub418\uc5c8\ub358 \ud544\uc218 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0 \uad00\ud55c \uae30\uc220\uc790\ub8cc \uc2dc\ub9ac\uc988\uc785\ub2c8\ub2e4. \uc2dc\ud000\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0 \ub300\ud574 \uc124\uba85\ud588\ub358 \uc774\uc804 \uae30\uc220\uc790\ub8cc\uc5d0\uc11c\ub294, UML 1.4 \uc2a4\ud329\uc5d0\uc11cOMG\uc758 Adopted 2.0 Draft Specification of UML (UML 2)\ub85c \ucd08\uc810\uc744 \uc774\ub3d9\ud588\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 UML 2\uc5d0 \ub3c4\uc785\ub41c \uc0c8\ub85c\uc6b4 \ub2e4\uc774\uc5b4\uadf8\ub7a8 \uce74\ud14c\uace0\ub9ac\uc778 Structure Diagram\uc5d0 \ub300\ud574 \uc124\uba85\ud569\ub2c8\ub2e4. \ubcf8 \uc2dc\ub9ac\uc988\uc758 \ubaa9\uc801\uc740 \ud45c\uae30\ubc95 \uc694\uc18c\ub4e4\uacfc \uc774\ub4e4\uc758 \uc758\ubbf8\ub97c \uc124\uba85\ud558\ub294 \uac83\uc774\ubbc0\ub85c, \uc774 \uae00\uc5d0\uc11c\ub294 \uc8fc\ub85c \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0 \ucd08\uc810\uc744 \ub9de\ucda5\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\ub294 \uc774\uc720\ub294 \uace7 \uba85\ud655\ud574 \uc9c8 \uac83\uc785\ub2c8\ub2e4. \ud6c4\uc18d \uae30\uc220\uc790\ub8cc\uc5d0\uc11c\ub294 Structure \uce74\ud14c\uace0\ub9ac\uc5d0 \ud3ec\ud568\ub41c \uae30\ud0c0 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc744 \uc124\uba85\ud569\ub2c8\ub2e4. <\/I><\/P>\n<P><I>\uc774 \uae00\uc744 \uc77d\ub294 \ub3c5\uc790\ub4e4\uc5d0\uac8c \ub2e4\uc2dc \ud55c\ubc88 \ub2f9\ubd80\ud558\uace0 \uc2f6\uc740 \uac83\uc740 UML \ud45c\uae30\ubc95 \uc694\uc18c\ub4e4\uc5d0 \uad00\ud55c \uac83\uc774\uace0, \uc774 \uae00\uc740 \ubaa8\ub378\ub9c1\uc5d0 \ub300\ud55c \ucd5c\uc0c1\uc758 \uc811\uadfc \ubc29\uc2dd\uc5d0 \ub300\ud55c \uac00\uc774\ub4dc\ub098 \uccab \ubc88\uc9f8\ub85c \ubaa8\ub378\ub9c1 \ub418\uc5b4\uc57c \ud560 \uac83\uc744 \uacb0\uc815\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574\uc11c\ub294 \uc124\uba85\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc758 \ubaa9\ud45c\uc774\uc790 \ubcf8 \uc2dc\ub9ac\uc988\uc758 \ubaa9\ud45c\ub294 \ud45c\uae30\ubc95 \uc5d8\ub9ac\uba3c\ud2b8\uc5d0 \ub300\ud55c \uae30\ubcf8\uc801\uc778 \uc9c0\uc2dd, \uc989 \uc2e0\ud0dd\uc2a4\uc640 \uc758\ubbf8\ub97c \uc124\uba85\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc9c0\uc2dd\uc744 \uae30\ubc18\uc73c\ub85c \uc5ec\ub7ec\ubd84\uc740 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc744 \uc77d\uace0 \uc54c\ub9de\uc740 \ud45c\uae30\ubc95 \uc694\uc18c\ub4e4\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc790\uc2e0\ub9cc\uc758 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc744 \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/I><\/P>\n<P><I>\uc5ec\ub7ec\ubd84\uc740 \uac1d\uccb4 \uc9c0\ud5a5 \ub514\uc790\uc778\uc5d0 \ub300\ud55c \uae30\ubcf8\uc801\uc778 \uc9c0\uc2dd\uc774 \uc788\uc744 \uac83\uc73c\ub85c \uac04\uc8fc\ud558\uaca0\uc2b5\ub2c8\ub2e4. OO \uac1c\ub150\uc5d0 \ub300\ud55c \uc124\uba85\uc774 \ud544\uc694\ud558\ub2e4\uba74 <\/I><a href=\"http:\/\/java.sun.com\/docs\/books\/tutorial\/java\/concepts\/\" target=\"new\" _cssquery_UID=\"73\" cmImpressionSent=\"1\" rel=\"noopener\"><FONT color=#5c81a7>http:\/\/java.sun.com\/docs\/books\/tutorial\/java\/concepts\/<\/FONT><\/A>\uc5d0\uc11c \uac1d\uccb4 \uc9c0\ud5a5 \ud504\ub85c\uadf8\ub798\ubc0d\uc744 \ub2e4\ub8ec Sun\uc758 \ud29c\ud1a0\ub9ac\uc5bc\uc744 \ubcf4\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4. \"What Is a Class?\" <I>\uc640<\/I> \"What Is Inheritance?\" <I>\uc139\uc158\uc5d0\uc11c\ub294<\/I> <I>\uc774 \uae00\uc744 \uc77d\uc744 \ub54c \ub3c4\uc6c0\uc774 \ub420 \ub9cc\ud55c \uc815\ubcf4\ub4e4\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c David Taylor\uc758 <\/I>Object-Oriented Technologies: A Manager's Guide<I> \uc5ed\uc2dc \uac1d\uccb4 \uc9c0\ud5a5 \ub514\uc790\uc778\uc744 \uc798 \uc124\uba85\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. <\/I><\/P>\n<P><a class=\"con_link\" name=\"N1006D\" target=\"_blank\" rel=\"noopener\"><SPAN class=atitle>UML 2\uc758 \uc74c\uacfc \uc591<\/SPAN><\/A><\/P>\n<P>UML 2\uc5d0\ub294 \ub450 \uac00\uc9c0 \uae30\ubcf8\uc801\uc778 \ub2e4\uc774\uc5b4\uadf8\ub7a8 \uce74\ud14c\uace0\ub9ac\uac00 \uc788\ub2e4. \ubaa8\ub4e0 UML \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc740 \uc774 \ub450 \uac1c\uc758 \ub2e4\uc774\uc5b4\uadf8\ub7a8 \uce74\ud14c\uace0\ub9ac\ub4e4 \uc911 \ud558\ub098\uc5d0 \uc18d\ud574\uc788\ub2e4. \uad6c\uc870 \ub2e4\uc774\uc5b4\uadf8\ub7a8(structure diagram)\uc758 \ubaa9\uc801\uc740 \ubaa8\ub378\ub9c1 \ub418\ub294 \uc2dc\uc2a4\ud15c\uc758 \uc815\uc801\uc778 \uad6c\uc870\ub97c \ubcf4\uc5ec\uc8fc\ub294 \uac83\uc774\ub2e4. \uc5ec\uae30\uc5d0\ub294 \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8, \ucef4\ud3ec\ub10c\ud2b8 \ub2e4\uc774\uc5b4\uadf8\ub7a8, \uac1d\uccb4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc774 \ud3ec\ud568\ub41c\ub2e4. \uc791\ub3d9 \ub2e4\uc774\uc5b4\uadf8\ub7a8(Behavioral diagram)\uc740 \uc2dc\uc2a4\ud15c\uc758 \uac1d\uccb4\ub4e4 \uac04 \ub3d9\uc801\uc778 \uc791\ub3d9\uc744 \ubcf4\uc5ec\uc900\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uba54\uc18c\ub4dc, \ud611\uc5c5, \uc561\ud2f0\ube44\ud2f0 \ub4f1\uc774 \ud3ec\ud568\ub41c\ub2e4. \uc791\ub3d9 \ub2e4\uc774\uc5b4\uadf8\ub7a8 \uc608\ub85c\ub294 \uc561\ud2f0\ube44\ud2f0 \ub2e4\uc774\uc5b4\uadf8\ub7a8, \uc720\uc2a4 \ucf00\uc774\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8, \uc2dc\ud000\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8 \ub4f1\uc774 \uc788\ub2e4. <\/P><br \/>\n<TABLE border=0 cellSpacing=0 cellPadding=0 width=\"100%\">\n<TBODY>\n<TR>\n<TD><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/i\/v14\/rules\/blue_rule.gif\" width=100 height=1><\/TD><\/TR><\/TBODY><\/TABLE>\n<TABLE class=no-print cellSpacing=0 cellPadding=0 align=right>\n<TBODY>\n<TR align=right>\n<TD><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/i\/c.gif\" width=16 height=4><br \/>\n<TABLE border=0 cellSpacing=0 cellPadding=0>\n<TBODY>\n<TR>\n<TD vAlign=center><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/i\/v14\/icons\/u_bold.gif\" width=16 height=16><br \/><\/TD>\n<TD vAlign=top align=right><A class=fbox href=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/#main\" cmImpressionSent=\"1\"><B><FONT color=#5c81a7>\uc704\ub85c<\/FONT><\/B><\/A><\/TD><\/TR><\/TBODY><\/TABLE><\/TD><\/TR><\/TBODY><\/TABLE><br \/><br \/>\n<P><a class=\"con_link\" name=\"N10078\" target=\"_blank\" rel=\"noopener\"><SPAN class=atitle>\uad6c\uc870 \ub2e4\uc774\uc5b4\uadf8\ub7a8<\/SPAN><\/A><\/P>\n<P>\uc774\ubbf8 \uc5b8\uae09\ud588\uc9c0\ub9cc, \uad6c\uc870 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc740 \ubaa8\ub378\ub9c1 \ub418\ub294 \uc2dc\uc2a4\ud15c\uc758 \uc815\uc801\uc778 \uad6c\uc870\ub97c \ubcf4\uc5ec\uc900\ub2e4. \uc2dc\uac04\uc5d0 \uc0c1\uad00 \uc5c6\uc774 \uc2dc\uc2a4\ud15c\uc758 \uc694\uc18c\ub4e4\uc5d0 \ucd08\uc810\uc744 \ub9de\ucd98\ub2e4. \uc815\uc801 \uad6c\uc870\ub294 \uc2dc\uc2a4\ud15c\uc5d0 \uc788\ub294 \uc720\ud615\ub4e4\uacfc \uc774\ub4e4\uc758 \uc778\uc2a4\ud134\uc2a4\ub97c \ub098\ud0c0\ub0b8\ub2e4. \uc2dc\uc2a4\ud15c \uc720\ud615\uacfc \uc778\uc2a4\ud134\uc2a4\ub97c \ubcf4\uc5ec\uc8fc\ub294 \uac83 \uc678\uc5d0\ub3c4, \uad6c\uc870 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc740 \uc774\ub7ec\ud55c \uc694\uc18c\ub4e4 \uac04 \uad00\uacc4\ub97c \ubcf4\uc5ec\uc8fc\uace0 \uc2ec\uc9c0\uc5b4\ub294 \ub0b4\ubd80 \uad6c\uc870\uae4c\uc9c0\ub3c4 \ubcf4\uc5ec\uc900\ub2e4. <\/P>\n<P>\uad6c\uc870 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc740 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ub77c\uc774\ud504 \uc0ac\uc774\ud074 \ub3d9\uc548 \ud300 \uba64\ubc84\ub4e4\uc5d0\uac8c \uc720\uc6a9\ud558\uac8c \uc0ac\uc6a9\ub41c\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c, \uc774\ub7ec\ud55c \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc740 \ub514\uc790\uc778\uc758 \uc720\ud6a8\uc131 \uac80\uc0ac\uc640 \uac1c\uc778\uacfc \ud300\ub4e4 \uac04 \ub514\uc790\uc778 \ud1b5\uc2e0\uc5d0 \uc0ac\uc6a9\ub41c\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ube44\uc988\ub2c8\uc2a4 \ubd84\uc11d\uac00\ub4e4\uc740 \ud074\ub798\uc2a4\ub098 \uac1d\uccb4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc744 \uc0ac\uc6a9\ud558\uc5ec \uacc4\uc815 \ub300\uc7a5, \uc81c\ud488, \uc9c0\ub9ac\uc801 \uacc4\uce35 \uac19\uc740 \ube44\uc988\ub2c8\uc2a4\uc758 \ud604\uc7ac \uc5d0\uc14b(asset)\uacfc \ub9ac\uc18c\uc2a4\ub97c \ubaa8\ub378\ub9c1 \ud560 \uc218 \uc788\ub2e4. \uc544\ud0a4\ud14d\ud2b8\ub294 \ucef4\ud3ec\ub10c\ud2b8\uc640 \uc804\uac1c \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc790\uc2e0\ub4e4\uc758 \ub514\uc790\uc778\uc774 \ud2bc\ud2bc\ud558\ub2e4\ub294 \uac83\uc744 \ud14c\uc2a4\ud2b8 \ubc0f \uc785\uc99d\ud55c\ub2e4. \uac1c\ubc1c\uc790\ub4e4\uc740 \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc2dc\uc2a4\ud15c\uc758 \ucf54\ub529 \ub41c(\ub610\ub294 \uace7 \ucf54\ub529 \ub420) \ud074\ub798\uc2a4\ub4e4\uc744 \ub514\uc790\uc778 \ubc0f \ubb38\uc11c\ud654 \ud55c\ub2e4. <\/P><B>\ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8 <\/B>\n<P>UML 2\ub294 \uad6c\uc870 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc744 \ud558\ub098\uc758 \ubc94\uc8fc\ub85c \uac04\uc8fc\ud55c\ub2e4. \"Structure Diagram\"\uc774\ub77c\uace0 \ud558\ub294 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc740 \uc5c6\ub2e4. \ud558\uc9c0\ub9cc, \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc740 \uad6c\uc870 \ub2e4\uc774\uc5b4\uadf8\ub7a8 \uc720\ud615\uc758 \ub300\ud45c\uc801\uc778 \uc608\uc774\uba70, \ub2e4\ub978 \ubaa8\ub4e0 \uad6c\uc870 \ub2e4\uc774\uc5b4\uadf8\ub7a8\ub4e4\uc774 \uc0ac\uc6a9\ud558\ub294 \ucd08\uae30 \ud45c\uae30\ubc95 \uc694\uc18c\ub4e4\uc744 \uc81c\uacf5\ud55c\ub2e4. \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc740 \ub108\ubb34\ub098\ub3c4 \uc911\uc694\ud558\uae30 \ub54c\ubb38\uc5d0, \uc774 \uae00\uc5d0\uc11c\ub294 \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc758 \ud45c\uae30\ubc95 \uc138\ud2b8\ub97c \uc9d1\uc911\uc801\uc73c\ub85c \uc124\uba85\ud558\uaca0\ub2e4. \uc774 \uae00\uc744 \ub2e4 \uc77d\uace0 \ub098\uba74 \uc5ec\ub7ec\ubd84\uc740 UML 2 \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc744 \uadf8\ub9ac\ub294 \ubc29\ubc95\uc744 \uc774\ud574\ud558\uace0, \ub2e4\uc74c \uae30\uc220\uc790\ub8cc\uc5d0\uc11c \ub2e4\ub8f0 \ub2e4\ub978 \uad6c\uc870 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc744 \ub354\uc6b1 \uc798 \uc774\ud574\ud558\uac8c \ub420 \uac83\uc774\ub2e4. <\/P><br \/>\n<TABLE border=0 cellSpacing=0 cellPadding=0 width=\"100%\">\n<TBODY>\n<TR>\n<TD><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/i\/v14\/rules\/blue_rule.gif\" width=100 height=1><\/TD><\/TR><\/TBODY><\/TABLE>\n<TABLE class=no-print cellSpacing=0 cellPadding=0 align=right>\n<TBODY>\n<TR align=right>\n<TD><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/i\/c.gif\" width=16 height=4><br \/>\n<TABLE border=0 cellSpacing=0 cellPadding=0>\n<TBODY>\n<TR>\n<TD vAlign=center><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/i\/v14\/icons\/u_bold.gif\" width=16 height=16><br \/><\/TD>\n<TD vAlign=top align=right><A class=fbox href=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/#main\" cmImpressionSent=\"1\"><B><FONT color=#5c81a7>\uc704\ub85c<\/FONT><\/B><\/A><\/TD><\/TR><\/TBODY><\/TABLE><\/TD><\/TR><\/TBODY><\/TABLE><br \/><br \/>\n<P><a class=\"con_link\" name=\"N1008C\" target=\"_blank\" rel=\"noopener\"><SPAN class=atitle>\uae30\ucd08<\/SPAN><\/A><\/P>\n<P>\uc55e\uc11c \uc5b8\uae09\ud588\ub358 \uac83\ucc98\ub7fc, \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc758 \ubaa9\ud45c\ub294 \uc2dc\uc2a4\ud15c \ub0b4\uc5d0\uc11c \ubaa8\ub378\ub9c1 \ub418\ub294 \uc720\ud615\uc744 \ubcf4\uc5ec\uc8fc\ub294 \uac83\uc774\ub2e4. \ub300\ubd80\ubd84\uc758 UML \ubaa8\ub378\uc5d0\uc11c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc720\ud615\ub4e4\uc774 \uc788\ub2e4. <\/P>\n<UL>\n<LI>\ud074\ub798\uc2a4<br \/><br \/>\n<LI>\uc778\ud130\ud398\uc774\uc2a4<br \/><br \/>\n<LI>\ub370\uc774\ud130 \uc720\ud615<br \/><br \/>\n<LI>\ucef4\ud3ec\ub10c\ud2b8 <\/LI><\/UL>\n<P>UML\uc740 \uc774\ub7ec\ud55c \uc720\ud615\ub4e4\uc5d0 \ub300\ud574 \ud2b9\ubcc4\ud55c \uc774\ub984\uc744 \uc0ac\uc6a9\ud55c\ub2e4. \ubc14\ub85c \"classifier\"\uc774\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c, \uc5ec\ub7ec\ubd84\uc740 classifier\ub97c \ud074\ub798\uc2a4\ub85c \uc0dd\uac01\ud560 \uc218 \uc788\uc9c0\ub9cc, \uae30\uc220\uc801\uc73c\ub85c classifier\ub294 \uc704\uc5d0 \uc5b8\uae09\ud55c \ub2e4\ub978 \uc138 \uac00\uc9c0 \uc720\ud615\ub4e4\uc744 \uc5b8\uae09\ud558\ub294 \ubcf4\ub2e4 \ud3ec\uad04\uc801\uc778 \uc6a9\uc5b4\uc774\ub2e4. <\/P>\n<P><B>\ud074\ub798\uc2a4 \uc774\ub984<\/B> <\/P>\n<P>\ud074\ub798\uc2a4\uc758 UML \ud45c\ud604\uc740 \uc218\uc9c1\uc801\uc73c\ub85c \uc313\uc778 \uc138 \uac1c\uc758 \ubd80\ubd84\ub4e4\uc744 \ud3ec\ud568\ud558\uace0 \uc788\ub294 \uc9c1\uc0ac\uac01\ud615\uc774\ub2e4. (\uadf8\ub9bc 1) \ub9e8 \uc704 \ubd80\ubd84\uc740 \ud074\ub798\uc2a4\uc758 \uc774\ub984\uc744 \ub098\ud0c0\ub0b8\ub2e4. \uc911\uac04 \ubd80\ubd84\uc740 \ud074\ub798\uc2a4\uc758 \uc560\ud2b8\ub9ac\ubdf0\ud2b8\uc774\ub2e4. \ub9e8 \ubc11 \ubd80\ubd84\uc740 \ud074\ub798\uc2a4\uc758 \uc5f0\uc0b0\uc774\ub2e4. \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0 \ud074\ub798\uc2a4 \uc694\uc18c\ub97c \uadf8\ub9b4 \ub54c, \ub9e8 \uc704 \ubd80\ubd84\uc740 \ubc18\ub4dc\uc2dc \uc0ac\uc6a9\ud574\uc57c \ud558\uace0 \ubc11\uc5d0 \ub450 \uac1c\uc758 \ubd80\ubd84\uc740 \uc120\ud0dd\uc801\uc774\ub2e4. (\ubc11\uc5d0 \ub450 \ubd80\ubd84\uc740 Classifier\ub4e4 \uac04 \uad00\uacc4\ub9cc \ubcf4\uc5ec\uc8fc\ub294 \uac83\uc774 \ubaa9\uc801\uc77c \uacbd\uc6b0 \uace0\uae09 \uc0c1\uc138\ub97c \uc124\uba85\ud558\ub294 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0\uc11c\ub294 \ubd88\ud544\uc694 \ud558\ub2e4.) \uadf8\ub9bc 1\uc740 UML \ud074\ub798\uc2a4\ub85c\uc11c \ubaa8\ub378\ub9c1 \ub41c \ud56d\uacf5 \ub0b4\uc5ed\uc744 \ubcf4\uc5ec\uc900\ub2e4. \uc774\ub984\uc740 <I>Flight<\/I>\uc774\uace0, \uc911\uac04 \ubd80\ubd84\uc5d0\ub294 Flight \ud074\ub798\uc2a4\uc5d0 \uc138 \uac1c\uc758 \uc560\ud2b8\ub9ac\ubdf0\ud2b8, flightNumber, departureTime, flightDuration\uc774 \uc788\ub2e4. \ubc11 \ubd80\ubd84\uc5d0\uc11c\ub294 Flight \ud074\ub798\uc2a4\uac00 \ub450 \uac1c\uc758 \uc5f0\uc0b0, delayFlight\uacfc getArrivalTime\uc744 \uac16\uace0 \uc788\ub2e4. <\/P><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/bell_fig1.jpg\" width=288 height=128> \n<P><B>\uadf8\ub9bc 1: Flight \ud074\ub798\uc2a4\uc5d0 \ub300\ud55c \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8 <\/B><\/P>\n<P>\n<P><B>\ud074\ub798\uc2a4 \uc560\ud2b8\ub9ac\ubdf0\ud2b8 \ub9ac\uc2a4\ud2b8<\/B> <\/P>\n<P>\ud55c \ud074\ub798\uc2a4\uc758 \uc560\ud2b8\ub9ac\ubdf0\ud2b8 \uc139\uc158(\uc911\uac04 \ubd80\ubd84)\uc740 \uac01 \ud074\ub798\uc2a4\uc758 \uc560\ud2f0\ub9ac\ubdf0\ud2b8\ub97c \uac01 \ub77c\uc778 \ubcc4\ub85c \ub098\uc5f4\ud55c\ub2e4. \uc560\ud2b8\ub9ac\ubdf0\ud2b8 \uc139\uc158\uc740 \uc120\ud0dd\uc801\uc774\uc9c0\ub9cc, \uc774\uac83\uc774 \uc0ac\uc6a9\ub41c\ub2e4\uba74 \ud558\ub098\uc758 \ub9ac\uc2a4\ud2b8 \ud3ec\ub9f7\uc73c\ub85c \ub514\uc2a4\ud50c\ub808\uc774 \ub41c \ud074\ub798\uc2a4\uc758 \uc560\ud2b8\ub9ac\ubdf0\ud2b8\uac00 \ud3ec\ud568\ub41c\ub2e4. \uc774 \ub77c\uc778\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \ud3ec\ub9f7\uc744 \uc0ac\uc6a9\ud55c\ub2e4. <\/P>\n<BLOCKQUOTE>\n<TABLE border=0 cellSpacing=0 cellPadding=0 width=400>\n<TBODY>\n<TR>\n<TD class=code-outline><PRE class=displaycode>name : attribute type<\/PRE><\/TD><\/TR><\/TBODY><\/TABLE><br \/><\/BLOCKQUOTE>\n<BLOCKQUOTE>\n<TABLE border=0 cellSpacing=0 cellPadding=0 width=400>\n<TBODY>\n<TR>\n<TD class=code-outline><PRE class=displaycode>flightNumber : Integer<\/PRE><\/TD><\/TR><\/TBODY><\/TABLE><br \/><\/BLOCKQUOTE>\n<P>\uc774 Flight \ud074\ub798\uc2a4 \uc608\uc81c\uc5d0\uc11c, \uc560\ud2b8\ub9ac\ubdf0\ud2b8 \uc720\ud615 \uc815\ubcf4\uc640 \ud568\uaed8 \ud074\ub798\uc2a4\uc758 \uc560\ud2b8\ub9ac\ubdf0\ud2b8\ub97c \uae30\uc220\ud560 \uc218 \uc788\ub2e4. (\ud45c 1) <\/P>\n<P><B>\ud45c 1: \uc560\ud2b8\ub9ac\ubdf0\ud2b8 \uc720\ud615 \uc815\ubcf4\ub97c \uac00\uc9c4 Flight \ud074\ub798\uc2a4\uc758 \uc560\ud2b8\ub9ac\ubdf0\ud2b8 \uc774\ub984 <\/B><\/P>\n<TABLE border=0 width=\"100%\">\n<TBODY>\n<TR>\n<TD bgColor=#000000>\n<TABLE border=0 width=\"100%\">\n<TBODY>\n<TR bgColor=#cccccc>\n<TD>Attribute Name <\/TD>\n<TD>Attribute Type <\/TD><\/TR>\n<TR bgColor=#ffff99>\n<TD>flightNumber<\/TD>\n<TD>Integer<\/TD><\/TR>\n<TR bgColor=#ffff99>\n<TD>departureTime<\/TD>\n<TD>Date<\/TD><\/TR>\n<TR bgColor=#ffff99>\n<TD>flightDuration<\/TD>\n<TD>Minutes<\/TD><\/TR><\/TBODY><\/TABLE><\/TD><\/TR><\/TBODY><\/TABLE>\n<P>\ube44\uc988\ub2c8\uc2a4 \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0\uc11c, \uc560\ud2b8\ub9ac\ubdf0\ud2b8 \uc720\ud615\ub4e4\uc740 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc758 \ub3c5\uc790\ub4e4\uc774 \uc774\ud574\ud560 \uc218 \uc788\ub294 \ub2e8\uc704\ub4e4\uc5d0\ub3c4 \uc0c1\uc751\ud55c\ub2e4. (\uc608, \ubd84(minute), \ub2ec\ub7ec(dollar) \ub4f1). \ud558\uc9c0\ub9cc, \ucf54\ub4dc\ub97c \uc0dd\uc131\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub420 \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc740 \uc560\ud2b8\ub9ac\ubdf0\ud2b8 \uc720\ud615\uc774 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \uc720\ud615 \ub610\ub294 \uc2dc\uc2a4\ud15c\uc5d0 \uad6c\ud604\ub420 \ubaa8\ub378\uc5d0 \ud3ec\ud568\ub418\ub294 \uc720\ud615\uc73c\ub85c \uc81c\ud55c\ub41c \ud074\ub798\uc2a4\uac00 \ud544\uc694\ud558\ub2e4. <\/P>\n<P>\uac00\ub054, \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0 \ud2b9\uc815 \uc560\ud2b8\ub9ac\ubdf0\ud2b8\uac00 \uae30\ubcf8 \uac12\uc744 \uac16\uace0 \uc788\uc74c\uc744 \ubcf4\uc5ec\uc8fc\ub294 \uac83\ub3c4 \uc720\uc6a9\ud558\ub2e4. (\uc608\ub97c \ub4e4\uc5b4, \uc740\ud589 \uacc4\uc815 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c, \uc0c8\ub85c\uc6b4 \uc740\ud589 \uacc4\uc815\uc740 \uc794\uc561 0\uc73c\ub85c \uc2dc\uc791\ud55c\ub2e4.) UML \uc2a4\ud329\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \ud45c\uae30\ubc95\uc744 \uc0ac\uc6a9\ud568\uc73c\ub85c\uc368, \uc560\ud2b8\ub9ac\ubdf0\ud2b8 \ub9ac\uc2a4\ud2b8 \uc139\uc158\uc5d0 \uae30\ubcf8 \uac12\uc744 \uad6c\ubd84\ud55c\ub2e4. <\/P>\n<BLOCKQUOTE>\n<TABLE border=0 cellSpacing=0 cellPadding=0 width=400>\n<TBODY>\n<TR>\n<TD class=code-outline><PRE class=displaycode>name : attribute type = default value<\/PRE><\/TD><\/TR><\/TBODY><\/TABLE><br \/><\/BLOCKQUOTE>\n<P>\uc608\ub97c \ub4e4\uc5b4:<\/P>\n<BLOCKQUOTE>\n<TABLE border=0 cellSpacing=0 cellPadding=0 width=400>\n<TBODY>\n<TR>\n<TD class=code-outline><PRE class=displaycode>balance : Dollars = 0<\/PRE><\/TD><\/TR><\/TBODY><\/TABLE><br \/><\/BLOCKQUOTE>\n<P>\uc560\ud2b8\ub9ac\ubdf0\ud2b8\uc5d0 \ub300\ud55c \uae30\ubcf8 \uac12\uc744 \ubcf4\uc5ec\uc8fc\ub294 \uac83\uc740 \uc120\ud0dd\uc801\uc774\ub2e4. \uadf8\ub9bc 2\ub294 \uae30\ubcf8 \uac12\uc774 0\uc778, <I>balance<\/I>\ub77c\uace0 \ud558\ub294 \uc560\ud2b8\ub9ac\ubdf0\ud2b8\ub97c \uac00\uc9c4 Bank Account \ud074\ub798\uc2a4\ub97c \ubcf4\uc5ec\uc900\ub2e4. <\/P><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/bell_fig2.jpg\" width=212 height=113> \n<P><B>\uadf8\ub9bc 2: \uae30\ubcf8 \uac12\uc774 0 \ub2ec\ub7ec\uc778 balance \uc560\ud2b8\ub9ac\ubdf0\ud2b8\uc758 \uac12\uc744 \ubcf4\uc5ec\uc8fc\ub294 Bank Account \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8<\/B> <\/P>\n<P>\n<P><B>\ud074\ub798\uc2a4 \uc5f0\uc0b0 \ub9ac\uc2a4\ud2b8<\/B> <\/P>\n<P>\ud074\ub798\uc2a4\uc758 \uc5f0\uc0b0\uc740 \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc758 \uc138 \ubc88\uc9f8(\uac00\uc7a5 \ubc11\uc5d0 \uc788\ub294) \ubd80\ubd84\uc5d0 \ub098\ud0c0\ub09c\ub2e4. \uc774\uac83 \uc5ed\uc2dc \uc120\ud0dd\uc801\uc774\ub2e4. \uc560\ud2b8\ub9ac\ubdf0\ud2b8\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c, \ud074\ub798\uc2a4\uc758 \uc5f0\uc0b0\uc740 \ub9ac\uc2a4\ud2b8 \ud3ec\ub9f7\uc73c\ub85c \ub514\uc2a4\ud50c\ub808\uc774 \ub418\uace0, \uac01 \ub77c\uc778\ub9c8\ub2e4 \uc5f0\uc0b0\uc774 \uc788\ub2e4. \uc5f0\uc0b0\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \ud45c\uae30\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec \ubb38\uc11c\ud654 \ub41c\ub2e4. <\/P>\n<BLOCKQUOTE>\n<TABLE border=0 cellSpacing=0 cellPadding=0 width=400>\n<TBODY>\n<TR>\n<TD class=code-outline><PRE class=displaycode>    name(parameter list) : type of value returned<\/PRE><\/TD><\/TR><\/TBODY><\/TABLE><br \/><\/BLOCKQUOTE>\n<P>Flight \ud074\ub798\uc2a4\uc758 \uc5f0\uc0b0\uc740 \uc544\ub798 \ud45c 2\ub85c\ub3c4 \ub9e4\ud551 \ub420 \uc218 \uc788\ub2e4. <\/P>\n<P><B>\ud45c 2: \uadf8\ub9bc 2\ub97c \ud45c\ub85c \ub098\ud0c0\ub0b8 Flight \ud074\ub798\uc2a4\uc758 \uc5f0\uc0b0 <\/B><\/P>\n<TABLE border=0 width=\"100%\">\n<TBODY>\n<TR>\n<TD bgColor=#000000>\n<TABLE border=0 width=\"100%\">\n<TBODY>\n<TR vAlign=top align=left bgColor=#cccccc>\n<TD><B>Operation Name <\/B><\/TD>\n<TD><B>Parameters Return<\/B> <\/TD>\n<TD><B>Value Type<\/B> <\/TD><\/TR>\n<TR vAlign=top align=left bgColor=#ffff99>\n<TD>delayFlight<\/TD>\n<TD>\n<TABLE border=0 cellSpacing=2 cellPadding=5 width=\"100%\">\n<TBODY>\n<TR>\n<TD><B>Name<\/B> <\/TD>\n<TD><B>Type<\/B> <\/TD><\/TR>\n<TR>\n<TD>numberOfMinutes <\/TD>\n<TD>Minutes<\/TD><\/TR><\/TBODY><\/TABLE><\/TD>\n<TD>N\/A<\/TD><\/TR>\n<TR vAlign=top align=left bgColor=#ffff99>\n<TD>getArrivalTime <\/TD>\n<TD>N\/A <\/TD>\n<TD>Date<\/TD><\/TR><\/TBODY><\/TABLE><\/TD><\/TR><\/TBODY><\/TABLE>\n<P>\uadf8\ub9bc 3\uc744 \ubcf4\uba74 delayFlight \uc5f0\uc0b0\uc774 Minutes \uc720\ud615\uc758 \uc778\ud48b \ub9e4\uac1c\ubcc0\uc218 numberOfMinutes\ub97c \uac16\uace0 \uc788\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\ub2e4. \ud558\uc9c0\ub9cc delayFlight \uc5f0\uc0b0\uc5d0\ub294 \ub9ac\ud134 \uac12\uc774 \uc5c6\ub2e4.<A href=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/#notes\" cmImpressionSent=\"1\"><FONT color=#5c81a7> <SUP>1<\/SUP> <\/FONT><\/A>\ud558\ub098\uc758 \uc5f0\uc0b0\uc774 \ub9e4\uac1c\ubcc0\uc218\ub97c \uac16\uace0 \uc788\uc744 \ub54c, \ub9e4\uac1c\ubcc0\uc218\ub4e4\uc740 \uc5f0\uc0b0\uc758 \uad04\ud638 \uc548\uc5d0 \ub193\uc774\uac8c \ub41c\ub2e4. \uac01 \ub9e4\uac1c\ubcc0\uc218\ub294 \"parameter name : parameter type\" \ud3ec\ub9f7\uc744 \uc0ac\uc6a9\ud55c\ub2e4. <\/P><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/bell_fig3.jpg\" width=279 height=129> \n<P><B>\uadf8\ub9bc 3: Flight \ud074\ub798\uc2a4 \uc5f0\uc0b0 \ub9e4\uac1c\ubcc0\uc218\ub4e4\uc5d0\ub294 \"in\" \ud45c\uc2dc\uac00 \ud3ec\ud568\ub41c\ub2e4.<\/B> <\/P>\n<P>\n<P>\uc5f0\uc0b0\uc758 \ub9e4\uac1c\ubcc0\uc218\ub4e4\uc744 \ubb38\uc11c\ud654 \ud560 \ub54c, \ub9e4\uac1c\ubcc0\uc218\uac00 \uc5f0\uc0b0\uc758 \uc778\ud48b\uc778\uc9c0 \ub610\ub294 \uc544\uc6c3\ud48b\uc778\uc9c0\ub97c \ubcf4\uc5ec\uc8fc\uae30 \uc704\ud574 \uc120\ud0dd\uc801\uc778 \uc778\ub514\ucf00\uc774\ud130\ub97c \uc0ac\uc6a9\ud560 \uc218\ub3c4 \uc788\ub2e4. \uc774\ub7ec\ud55c \uc120\ud0dd\uc801\uc778 \uc778\ub514\ucf00\uc774\ud130\ub294 \uadf8\ub9bc 3\uc758 \uc5f0\uc0b0 \ubd80\ubd84\uc5d0 \ub098\ud0c0\ub09c \uac83\ucc98\ub7fc \"in\" \ub610\ub294 \"out\"\uc73c\ub85c \ub098\ud0c0\ub09c\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c, \uc774\ub7ec\ud55c \uc778\ub514\ucf00\uc774\ud130\ub294 Fortran \uac19\uc740 \uc624\ub798\ub41c \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\uac00 \uc0ac\uc6a9\ub418\uc9c0 \uc54a\ub294 \ud55c \ubd88\ud544\uc694\ud558\ub2e4. \ud558\uc9c0\ub9cc, C++\uacfc \uc790\ubc14\uc5d0\uc11c, \ubaa8\ub4e0 \ub9e4\uac1c\ubcc0\uc218\ub4e4\uc740 \"in\" \ub9e4\uac1c\ubcc0\uc218\ub4e4\uc774\uace0, \"in\"\uc740 UML \uc2a4\ud329\uc5d0 \ub530\ub77c \ub9e4\uac1c\ubcc0\uc218\uc758 \uae30\ubcf8 \uc720\ud615\uc774\uae30 \ub54c\ubb38\uc5d0 \ub300\ubd80\ubd84\uc758 \uc0ac\ub78c\ub4e4\uc740 \uc778\ud48b\/\uc544\uc6c3\ud48b \uc778\ub514\ucf00\uc774\ud130\ub97c \uc0dd\ub7b5\ud55c\ub2e4.<\/P>\n<P><B>\uc0c1\uc18d(Inheritance)<\/B> <\/P>\n<P>\uac1d\uccb4 \uc9c0\ud5a5 \ub514\uc790\uc778\uc758 \uac00\uc7a5 \uc911\uc694\ud55c \uac1c\ub150\uc778 \uc0c1\uc18d(<I>inheritance<\/I>)\uc740 \ud558\ub098\uc758 \ud074\ub798\uc2a4(\uc790\uc2dd \ud074\ub798\uc2a4)\uac00 \ub610 \ub2e4\ub978 \ud074\ub798\uc2a4(\uc288\ud37c \ud074\ub798\uc2a4)\uc758 \ub3d9\uc77c\ud55c \uae30\ub2a5\uc744 <I>\uc0c1\uc18d<\/I>\ubc1b\uc744 \uc218 \uc788\uace0 \uace0\uc720\uc758 \uc0c8\ub85c\uc6b4 \uae30\ub2a5\uc744 \ucd94\uac00\ud560 \uc218 \uc788\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud55c\ub2e4. (\uae30\uc220\uc801\uc778 \ube44\uc720\ubc95\uc740 \uc544\ub2c8\uc9c0\ub9cc, \ud544\uc790\ub294 \uc5b4\uba38\ub2c8\uc758 \uc74c\uc545\uc801 \uc7ac\ub2a5\uc744 \ubb3c\ub824\ubc1b\uc558\uace0, \uc6b0\ub9ac \uac00\uc871 \uc911\uc5d0\uc11c \uc804\uc790 \uae30\ud0c0\ub97c \uc5f0\uc8fc\ud560 \uc218 \uc788\ub294 \uc0ac\ub78c\uc740 \ud544\uc790\ubfd0\uc774\ub2e4.) \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0 \uc0c1\uc18d\uc744 \ubaa8\ub378\ub9c1 \ud558\ub824\uba74, \uc18d\uc774 \ud22c\uba85\ud55c \ud654\uc0b4\ud45c(\ub610\ub294 \uc0bc\uac01\ud615)\uac00 \uc288\ud37c \ud074\ub798\uc2a4\ub97c \ud5a5\ud558\ub3c4\ub85d \ud558\uc5ec \uc790\uc2dd \ud074\ub798\uc2a4(\uc791\ub3d9\uc744 \uc0c1\uc18d\ubc1b\ub294 \ud074\ub798\uc2a4)\ub85c\ubd80\ud130 \uc9c1\uc120\uc774 \uadf8\ub824\uc9c4\ub2e4. Bank Account \uc720\ud615\uc744 \uc0dd\uac01\ud574 \ubcf4\uc790. \uadf8\ub9bc 4\ub294 CheckingAccount\uc640 SavingsAccount\uac00 BankAccount \ud074\ub798\uc2a4\uc5d0\uc11c \uc0c1\uc18d\uc744 \ubc1b\ub294 \ubaa8\uc2b5\uc774\ub2e4. <\/P><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/bell_fig4.jpg\" width=563 height=335> \n<P><B>\uadf8\ub9bc 4: \ud22c\uba85 \uc0bc\uac01\ud615 \ubaa8\uc591\uc758 \ud654\uc0b4\ud45c\uac00 \uc288\ud37c \ud074\ub798\uc2a4\ub97c \uac00\ub9ac\ud0a4\uba74\uc11c \uc9c1\uc120\uc73c\ub85c \uc0c1\uc18d\uc774 \ud45c\uc2dc\ub41c\ub2e4.<\/B> <\/P>\n<P>\n<P>\uadf8\ub9bc 4\uc5d0\uc11c, \uc0c1\uc18d \uad00\uacc4\ub294 \uac01 \ud558\uc704 \ud074\ub798\uc2a4 \ub9c8\ub2e4 \uac1c\ubcc4 \ub77c\uc778\uc73c\ub85c \uadf8\ub824\uc9c0\ub294\ub370, \uc774\uac83\uc740 IBM Rational Rose\uc640 IBM Rational XDE\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \ubc29\uc2dd\uc774\ub2e4. \ud558\uc9c0\ub9cc, \ud2b8\ub9ac \ud45c\uae30\ubc95(<I>tree notation<\/I>)\uc73c\ub85c \uc0c1\uc18d\uc744 \uadf8\ub9ac\ub294 \ubc29\ubc95\ub3c4 \uc788\ub2e4. \uadf8\ub9bc 4\ucc98\ub7fc \ub450 \uac1c \uc774\uc0c1\uc758 \uc790\uc2dd \ud074\ub798\uc2a4\ub4e4\uc774 \uc788\uc744 \ub54c \ud2b8\ub9ac \ud45c\uae30\ubc95\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4. \ub098\ubb34 \uac00\uc9c0\ucc98\ub7fc \uc0c1\uc18d \ub77c\uc778\ub4e4\uc774 \ud569\uccd0\uc9c0\ub294 \uacbd\uc6b0\ub294 \uc608\uc678\uc774\ub2e4. \uadf8\ub9bc 5\ub294 \uadf8\ub9bc 4\uc758 \uc0c1\uc18d\uc744 \ud2b8\ub9ac \ud45c\uae30\ubc95\uc73c\ub85c \ub2e4\uc2dc \uadf8\ub9b0 \uac83\uc774\ub2e4. <\/P><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/bell_fig5.jpg\" width=563 height=335> \n<P><B>Figure 5: \ud2b8\ub9ac \ud45c\uae30\ubc95\uc744 \uc0ac\uc6a9\ud55c \uc0c1\uc18d <\/B><\/P>\n<P>\n<P><B>\ucd94\uc0c1 \ud074\ub798\uc2a4\uc640 \uc5f0\uc0b0<\/B> <br \/>\uc8fc\uc758\ub825\uc774 \uae4a\uc740 \ub3c5\uc790\ub77c\uba74 \uadf8\ub9bc 4\uc640 5\uc758 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc774 BankAccount \ud074\ub798\uc2a4 \uc774\ub984\uacfc withdrawal \uc5f0\uc0b0\uc5d0 \uc774\ud0e4\ub9ad \uccb4\ub97c \uc0ac\uc6a9\ud558\uace0 \uc788\uc74c\uc744 \uc54c\uc544\ucc58\uc744 \uac83\uc774\ub2e4. BankAccount \ud074\ub798\uc2a4\ub294 \ucd94\uc0c1 \ud074\ub798\uc2a4\uc774\uace0, withdrawal \uba54\uc18c\ub4dc\ub294 \ucd94\uc0c1 \uc5f0\uc0b0\uc774\ub77c\ub294 \uac83\uc744 \ub098\ud0c0\ub0b4\ub294 \uac83\uc774\ub2e4. \ub2e4\uc2dc \ub9d0\ud574\uc11c, BankAccount \ud074\ub798\uc2a4\ub294 withdrawal\uc758 \ucd94\uc0c1 \uc5f0\uc0b0\uc744 \uc81c\uacf5\ud558\uace0 CheckingAccount\uc640 SavingsAccount\uc758 \ub450 \uac1c\uc758 \uc790\uc2dd \ud074\ub798\uc2a4\ub4e4\uc740 \uac01\uac01\uc758 \uc5f0\uc0b0 \ubc84\uc804\uc744 \uad6c\ud604\ud55c\ub2e4. <\/P>\n<P>\ud558\uc9c0\ub9cc, \uc288\ud37c \ud074\ub798\uc2a4(\ubd80\ubaa8 \ud074\ub798\uc2a4)\ub294 \ucd94\uc0c1 \ud074\ub798\uc2a4\uc77c \ud544\uc694\uac00 \uc5c6\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \ud45c\uc900 \ud074\ub798\uc2a4\uac00 \uc288\ud37c \ud074\ub798\uc2a4\uac00 \ub41c\ub2e4. <\/P>\n<P><B>\uc81c\ud734(Association)<\/B> <br \/>\uc2dc\uc2a4\ud15c\uc744 \ubaa8\ub378\ub9c1 \ud560 \ub54c, \ud2b9\uc815 \uac1d\uccb4\ub4e4\uc740 \uc11c\ub85c \uc5f0\uad00\ub420 \uac83\uc774\uace0, \uc774\ub7ec\ud55c \uad00\uacc4\ub4e4\uc774 \uba85\ud655\ud558\uac8c \ubaa8\ub378\ub9c1 \ub418\uc5b4\uc57c \ud55c\ub2e4. \ub2e4\uc12f \uac00\uc9c0 \uc81c\ud734 \uc720\ud615\ub4e4\uc774 \uc788\ub2e4. \uc774 \uc139\uc158\uc5d0\uc11c\ub294 \ub450 \uac00\uc9c0 \uc720\ud615-\uc591\ubc29\ud5a5(bi-directional) \uc81c\ud734\uc640 \uc77c\ubc29\ud5a5(uni-directional) \uc81c\ud734\ub97c \uc124\uba85\ud558\uace0, \ub098\uba38\uc9c0 \uc138 \uac00\uc9c0 \uc81c\ud734 \uc720\ud615\ub4e4\uc740 <I>\uae30\ucd08\ub97c \ub118\uc5b4\uc11c<\/I> \uc139\uc158\uc5d0\uc11c \uc124\uba85\ud558\ub3c4\ub85d \ud558\uaca0\ub2e4. \uac01\uac01\uc758 \uc81c\ud734 \uc720\ud615\uc744 \uc0ac\uc6a9\ud560 \uc2dc\uae30\uae4c\uc9c0\ub294 \uc774 \uc139\uc158\uc5d0\uc11c\ub294 \uc124\uba85\ud558\uc9c0 \uc54a\uaca0\ub2e4. \uac01 \uc81c\ud734 \uc720\ud615\uc758 \ubaa9\ud45c\uc5d0 \ucd08\uc810\uc744 \ub9de\ucdb0, \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0 \uc81c\ud734\ub97c \uadf8\ub9ac\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud558\ub3c4\ub85d \ud558\uaca0\ub2e4. <\/P>\n<P><B>\uc591\ubc29\ud5a5 (\ud45c\uc900) \uc81c\ud734<\/B> <br \/>\uc81c\ud734\ub294 \ub450 \ud074\ub798\uc2a4\ub4e4\uac04 \uc5f0\uacb0\uc774\ub2e4. \uc81c\ud734\ub294 \uc5b8\uc81c\ub098 \uc591\ubc29\ud5a5(bi-directional)\uc73c\ub85c \uac04\uc8fc\ub41c\ub2e4. \ub2e4\uc2dc \ub9d0\ud574\uc11c, \uc77c\ubd80 \ub2e4\ub978 \uc720\ud615\uc73c\ub85c \uc218\uc815\ud558\uc9c0 \uc54a\ub294 \ud55c, \ub450 \uac1c\uc758 \ud074\ub798\uc2a4\ub4e4\uc774 \uc11c\ub85c\ub97c \uc778\uc2dd\ud558\uace0 \uc788\uace0 \uadf8 \uad00\uacc4\ub97c \uc54c\uace0 \uc788\ub2e4\ub294 \uc758\ubbf8\uc774\ub2e4. \uadf8\ub9bc 6\uc740 Flight \ud074\ub798\uc2a4\uc640 Plane \ud074\ub798\uc2a4 \uac04 \ud45c\uc900 \uc81c\ud734 \uc720\ud615\uc774\ub2e4. <\/P><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/bell_fig6.jpg\" width=572 height=144> \n<P><B>\uadf8\ub9bc 6: Flight \ud074\ub798\uc2a4\uc640 Plane \ud074\ub798\uc2a4\uac04 \uc591\ubc29\ud5a5 \uc81c\ud734 \uc608\uc81c<\/B> <\/P>\n<P>\n<P>\uc591\ubc29\ud5a5 \uc81c\ud734\ub294 \ub450 \ud074\ub798\uc2a4\ub4e4 \uac04 \uc77c\uc9c1\uc120\uc73c\ub85c \ud45c\uc2dc\ub41c\ub2e4. \uac01 \ub77c\uc778\uc758 \uc591 \ub05d\uc5d0 \uc5ed\ud560\uacfc \uac12\uc744 \ud45c\uc2dc\ud55c\ub2e4. \uadf8\ub9bc 6\uc740 Flight\uc774 \ud2b9\uc815 Plane\uacfc \uc5f0\uacb0\ub418\uc5b4 \uc788\uace0, Flight \ud074\ub798\uc2a4\ub294 \uc774\ub7ec\ud55c \uad00\uacc4\ub97c \uc54c\uace0 \uc788\ub2e4\ub294 \uac83\uc744 \ubcf4\uc5ec\uc900\ub2e4. Plane\uc740 \uc774 \uc81c\ud734 \uad00\uacc4\uc5d0\uc11c \"assignedPlane\"\uc758 \uc5ed\ud560\uc744 \ub2f4\ub2f9\ud558\uace0 \uc788\ub2e4. Plane \ud074\ub798\uc2a4 \uc606\uc5d0 \uc788\ub294 \uc5ed\ud560 \uc774\ub984\uc774 \uc774\ub97c \ub9d0\ud574\uc8fc\uace0 \uc788\ub2e4. Plane \uc606\uc5d0 \uc788\ub294 Multiplicity \uac12 0..1\uc740 Flight\uc758 \uc778\uc2a4\ud134\uc2a4\uac00 \uc788\uc744 \ub54c, Plane\uc758 \ud55c \uc778\uc2a4\ud134\uc2a4\uac00 \uc774\uac83\uacfc \uc5f0\uacb0\ub418\uc5c8\uac70\ub098, \uc5b4\ub5a4 Plane\ub3c4 \uc774\uac83\uacfc \uc5f0\uacb0\ub418\uc9c0 \uc54a\uc558\ub2e4(\ube44\ud589\uae30\uac00 \uc544\uc9c1 \uc9c0\uc815\ub418\uc9c0 \uc54a\uc558\uc744 \uacbd\uc6b0)\ub294 \uac83\uc744 \uc758\ubbf8\ud55c\ub2e4. \uadf8\ub9bc 6\uc5d0\uc11c\ub294 Plane\uc774 Flight \ud074\ub798\uc2a4\uc640\uc758 \uc81c\ud734 \uad00\uacc4\ub97c \uc778\uc2dd\ud558\uace0 \uc788\uc74c\uc744 \ubcf4\uc5ec\uc900\ub2e4. \uc774\ub7ec\ud55c \uc81c\ud734 \uad00\uacc4\uc5d0\uc11c, Flight\uc740 \"assignedFlights\"\uc758 \uc5ed\ud560\uc744 \ub9e1\ub294\ub2e4. \uadf8\ub9bc 6\uc758 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc740 Plane \uc778\uc2a4\ud134\uc2a4\uac00 \uc5b4\ub5a4 \ube44\ud589 \uc2a4\ucf00\uc904\uacfc\ub3c4 \uc81c\ud734\ub420 \uc218 \uc5c6\uac70\ub098(\uc0c8\ub85c\uc6b4 \ube44\ud589\uae30\uc77c \uacbd\uc6b0) \ub610\ub294 \ub9ce\uc740 \ube44\ud589 \uc2a4\ucf00\uc904(\uc774 \ube44\ud589\uae30\uac00 \uc9c0\ub09c 5\ub144 \ub3d9\uc548 \uc0ac\uc6a9 \uc911\uc77c \uacbd\uc6b0)\uacfc \uc5f0\uacb0\ub420 \uc218 \uc788\ub2e4\ub294 \uac83\uc744 \ub098\ud0c0\ub0b8\ub2e4. <\/P>\n<P>\ud45c 3\uc5d0\ub294 Multiplicity \uac12\ub4e4\uacfc \uc774\uac83\uc758 \uc758\ubbf8\ub97c \uc815\ub9ac\ud588\ub2e4. <\/P>\n<P><B>\ud45c 3: Multiplicity \uac12\uacfc \uc778\ub514\ucf00\uc774\ud130 <\/B><\/P>\n<TABLE border=0>\n<TBODY>\n<TR>\n<TD bgColor=#000000>\n<TABLE border=0 cellSpacing=2 cellPadding=5 width=\"100%\">\n<TBODY>\n<TR bgColor=#cccccc>\n<TD colSpan=2>Potential Multiplicity Values<\/TD><\/TR>\n<TR bgColor=#ffff99>\n<TD>Indicator<\/TD>\n<TD>Meaning<\/TD><\/TR>\n<TR bgColor=#ffff99>\n<TD>0..1 <\/TD>\n<TD>Zero or one<\/TD><\/TR>\n<TR bgColor=#cccccc>\n<TD>1<\/TD>\n<TD>One only<\/TD><\/TR>\n<TR bgColor=#cccccc>\n<TD>0..*<\/TD>\n<TD>Zero or more<\/TD><\/TR>\n<TR bgColor=#cccccc>\n<TD>* <\/TD>\n<TD>Zero or more<\/TD><\/TR>\n<TR bgColor=#cccccc>\n<TD>1..*<\/TD>\n<TD>One or more<\/TD><\/TR>\n<TR bgColor=#cccccc>\n<TD>3<\/TD>\n<TD>Three only<\/TD><\/TR>\n<TR bgColor=#cccccc>\n<TD>0..5<\/TD>\n<TD>Zero to Five<\/TD><\/TR>\n<TR bgColor=#cccccc>\n<TD>5..15 <\/TD>\n<TD>Five to Fifteen<\/TD><\/TR><\/TBODY><\/TABLE><\/TD><\/TR><\/TBODY><\/TABLE>\n<P><B>\uc77c\ubc29\ud5a5 \uc81c\ud734 <\/B><br \/>\uc77c\ubc29\ud5a5 \uc81c\ud734\uc5d0\uc11c\ub294, \ub450 \uac1c\uc758 \ud074\ub798\uc2a4\ub4e4\uc740 \uad00\ub828\uc774 \uc788\uc9c0\ub9cc, \ub2e8 \ud558\ub098\uc758 \ud074\ub798\uc2a4\ub9cc \uadf8 \uad00\uacc4\ub97c \uc778\uc2dd\ud558\uace0 \uc788\ub2e4. \uadf8\ub9bc 7\uc740 \uc77c\ubc29\ud5a5 \uc81c\ud734\uc758 \uc608\uc81c\uc774\ub2e4. <\/P><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/bell_fig7.jpg\" width=572 height=107> \n<P><B>\uadf8\ub9bc 7: \uc77c\ubc29\ud5a5 \uc81c\ud734 \uc608\uc81c: OverdrawnAccountsReport \ud074\ub798\uc2a4\ub294 BankAccount \ud074\ub798\uc2a4\uc5d0 \ub300\ud574 \uc54c\uace0 \uc788\uc9c0\ub9cc, BankAccount \ud074\ub798\uc2a4\ub294 \uc81c\ud734 \uad00\uacc4\uc5d0 \ub300\ud574 \ubaa8\ub978\ub2e4.<\/B> <\/P>\n<P>\n<P>\uc77c\ubc29\ud5a5 \uc81c\ud734\ub294 \uc54c\ub824\uc9c4 \ud074\ub798\uc2a4\ub97c \uac00\ub9ac\ud0a4\ub294 \uac1c\ubc29\ub41c \ud654\uc0b4\ud45c(\uc0c1\uc18d\uc744 \ub098\ud0c0\ub0b4\ub294\ub370 \uc0ac\uc6a9\ub418\uc5c8\ub358 \ub2eb\ud78c \ub610\ub294 \uc0bc\uac01\ud615 \ud654\uc0b4\ud45c\uac00 \uc544\ub2c8\ub2e4.)\uac00 \uc788\ub294 \uc9c1\uc120\uc73c\ub85c \uadf8\ub824\uc9c4\ub2e4. \ud45c\uc900 \uc81c\ud734\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c, \uc77c\ubc29\ud5a5 \uc81c\ud734\uc5d0\ub294 \uc5ed\ud560 \uc774\ub984\uacfc Multiplicity \uac12\uc774 \ud3ec\ud568\ub418\uc9c0\ub9cc, \ud45c\uc900 \uc591\ubc29\ud5a5 \uc81c\ud734\uc640\ub294 \ub2ec\ub9ac, \uc77c\ubc29\ud5a5 \uc81c\ud734\uc5d0\ub294 \uc54c\ub824\uc9c4 \ud074\ub798\uc2a4\uc5d0\ub9cc \uc5ed\ud560 \uc774\ub984\uacfc Multiplicity \uac12\uc774 \ud3ec\ud568\ub41c\ub2e4. \uadf8\ub9bc 7\uc758 \uc608\uc81c\ub97c \ubcf4\uba74, OverdrawnAccountsReport\ub294 BankAccount \ud074\ub798\uc2a4\uc5d0 \ub300\ud574 \uc54c\uace0 \uc788\uace0 BankAccount \ud074\ub798\uc2a4\ub294 \"overdrawnAccounts\"\uc758 \uc5ed\ud560\uc744 \uc218\ud589\ud55c\ub2e4. \ud558\uc9c0\ub9cc, \ud45c\uc900 \uc81c\ud734\uc640\ub294 \ub2ec\ub9ac, BankAccount \ud074\ub798\uc2a4\ub294 \uc774\uac83\uc774 OverdrawnAccountsReport\uc640 \uc81c\ud734\ub418\uc5b4 \uc788\ub2e4\ub294 \uc0ac\uc2e4\uc744 \ubaa8\ub978\ub2e4.<A href=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/#notes\" cmImpressionSent=\"1\"><FONT color=#5c81a7> <SUP>2<\/SUP> <\/FONT><\/A><\/P>\n<P><B>\ud328\ud0a4\uc9c0<\/B> <br \/>\ub300\ud615 \uc2dc\uc2a4\ud15c \ub610\ub294 \ube44\uc988\ub2c8\uc2a4\uc758 \ud070 \uc720\ud615\uc744 \ubaa8\ub378\ub9c1 \ud55c\ub2e4\uba74, \ubaa8\ub378\uc5d0 \ub2e4\uc591\ud55c Classifier\uac00 \uc788\uc744 \uac83\uc774\ub2e4. \uc774 \ubaa8\ub4e0 \ud074\ub798\uc2a4\ub4e4\uc744 \uad00\ub9ac\ud558\uae30\ub780 \ub9e4\uc6b0 \uc5b4\ub835\ub2e4. \ub530\ub77c\uc11c, UML\uc740 \ud328\ud0a4\uc9c0(<I>package<\/I>)\ub77c\uace0 \ud558\ub294 \uc694\uc18c\ub97c \uc81c\uacf5\ud55c\ub2e4. \ud328\ud0a4\uc9c0\ub294 \ubaa8\ub378\ub7ec\uac00 \ubaa8\ub378\uc758 Classifier\ub97c \ub124\uc784\uc2a4\ud398\uc774\uc2a4\ub85c \uad6c\uc131\ud560 \uc218 \uc788\ub3c4\ub85d \ud558\ub294\ub370, \uc774\ub294 \uc77c\uc885\uc758 \ud30c\uc77c\ub9c1 \uc2dc\uc2a4\ud15c\uc758 \ud3f4\ub354\uc640 \uac19\uc740 \uac83\uc774\ub2e4. \uc2dc\uc2a4\ud15c\uc744 \ub2e4\uc911 \ud328\ud0a4\uc9c0\ub4e4\ub85c \ub098\ubb34\uba74 \uc2dc\uc2a4\ud15c\uc740 \ub354\uc6b1 \uc774\ud574\ud558\uae30 \uc27d\uace0, \ud2b9\ud788 \uac01 \ud328\ud0a4\uc9c0\uac00 \uc2dc\uc2a4\ud15c\uc758 \ud2b9\uc815 \ubd80\ubd84\uc744 \ub098\ud0c0\ub0bc \ub54c \ub354\uc6b1 \uadf8\ub807\ub2e4.<A href=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/#notes\" cmImpressionSent=\"1\"><FONT color=#5c81a7> <SUP>3<\/SUP> <\/FONT><\/A><\/P>\n<P>\ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0 \ud328\ud0a4\uc9c0\ub4e4\uc744 \uadf8\ub9ac\ub294 \ub450 \uac00\uc9c0 \ubc29\ubc95\uc774 \uc788\ub2e4. \uc5b4\ub5a4 \ud45c\uae30\ubc95\uc744 \uc0ac\uc6a9\ud560 \uac83\uc778\uc9c0 \uacb0\uc815\ud558\ub294 \uaddc\uce59\uc740 \uc5c6\ub2e4. \uc5ec\ub7ec\ubd84\uc774 \uadf8\ub9ac\ub294 \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc744 \uac00\uc7a5 \uc27d\uac8c \uc77d\uc744 \uc218 \uc788\ub294 \ubc29\ubc95\uc744 \uae30\uc900\uc73c\ub85c \uc0bc\uc73c\uba74 \ub41c\ub2e4. \ub450 \uac00\uc9c0 \ubc29\ubc95 \ubaa8\ub450 \ud070 \uc9c1\uc0ac\uac01\ud615\uc774 \uc788\uace0 \uc88c\uce21 \uc0c1\ub2e8 \ucf54\ub108 \ucabd\uc5d0 \uc791\uc740 \uc9c1\uc0ac\uac01\ud615(\ud0ed)\uc2dc\uc791\ud55c\ub2e4. (\uadf8\ub9bc 8) \ubaa8\ub378\ub7ec\ub294 \ud328\ud0a4\uc9c0\uc758 \uba64\ubc84\uc27d\uc774 \ubcf4\uc5ec\uc9c0\ub294 \ubc29\ubc95\uc744 \uacb0\uc815\ud574\uc57c \ud55c\ub2e4. <\/P>\n<UL>\n<LI>\ud070 \uc9c1\uc0ac\uac01\ud615 \uc548\uc5d0 \ud328\ud0a4\uc9c0\uc758 \uba64\ubc84\ub4e4\uc744 \ubcf4\uc5ec\uc8fc\uae30\ub85c \uacb0\uc815\ud588\ub2e4\uba74, \ubaa8\ub4e0 \uba64\ubc84\ub4e4<A href=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/#notes\" cmImpressionSent=\"1\"><FONT color=#5c81a7> <SUP>4<\/SUP> <\/FONT><\/A>\uc740 \uc9c1\uc0ac\uac01\ud615 \uc548\uc5d0 \ub193\uc5ec\uc57c \ud55c\ub2e4. \ub610\ud55c \ud328\ud0a4\uc9c0\uc758 \uc774\ub984\uc740 \ud328\ud0a4\uc9c0\uc758 \uc791\uc740 \uc9c1\uc0ac\uac01\ud615\uc5d0 \ub193\uc5ec\uc57c \ud55c\ub2e4. (\uadf8\ub9bc 8)<br \/><br \/>\n<LI>\ubaa8\ub378\ub7ec\uac00 \ud070 \uc9c1\uc0ac\uac01\ud615 \ubc16\uc5d0 \ud328\ud0a4\uc9c0\uc758 \uba64\ubc84\ub4e4\uc744 \ubcf4\uc5ec\uc8fc\uae30\ub85c \uacb0\uc815\ud588\ub2e4\uba74, \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0 \ub098\ud0c0\ub0a0 \ubaa8\ub4e0 \uba64\ubc84\ub4e4\uc740 \uc9c1\uc0ac\uac01\ud615 \ubc16\uc5d0 \ub193\uc5ec\uc57c \ud55c\ub2e4. \uc5b4\ub5a4 Classifier\ub4e4\uc774 \ud328\ud0a4\uc9c0\uc5d0 \uc18d\ud588\ub294\uc9c0\ub97c \ubcf4\uc5ec\uc8fc\ub824\uba74, \uac01 Classifier\ubd80\ud130 \ud328\ud0a4\uc9c0\uc5d0 \ubd99\uc740 \uc6d0 \uc548\uc5d0 \ud50c\ub7ec\uc2a4 \ubd80\ud638\uac00 \uc788\ub294 \uc6d0\uc73c\ub85c \uc120\uc744 \uadf8\uc5b4\uc57c \ud55c\ub2e4. (\uadf8\ub9bc 9) <\/LI><\/UL><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/bell_fig8.jpg\" width=572 height=407> \n<P><B>\uadf8\ub9bc 8: \ud328\ud0a4\uc9c0\uc758 \uc9c1\uc0ac\uac01\ud615 \ubc14\uc6b4\ub354\ub9ac \uc548\uc5d0 \uba64\ubc84\ub4e4\uc744 \ubcf4\uc5ec\uc8fc\ub294 \ud328\ud0a4\uc9c0 \uc5d8\ub9ac\uba3c\ud2b8 \uc608\uc81c<\/B> <\/P>\n<P><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/bell_fig9.jpg\" width=551 height=622> \n<P><B>\uadf8\ub9bc 9: \uc5f0\uacb0\ub41c \uc120\ub4e4\uc744 \ud1b5\ud574 \uba64\ubc84\uc27d\uc744 \ubcf4\uc5ec\uc8fc\ub294 \ud328\ud0a4\uc9c0 \uc5d8\ub9ac\uba3c\ud2b8 \uc608\uc81c<\/B> <\/P>\n<P>\n<P><B>\uae30\ucd08 \uc774\ud574\uc758 \uc911\uc694\uc131<\/B> <\/P>\n<P>UML 2\uc5d0\uc11c\ub294 \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc758 \uae30\ucd08\ub97c \uc774\ud574\ud558\ub294 \uac83\uc774 \ub354 \uc911\uc694\ud574\uc84c\ub2e4. \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc740 \ucef4\ud3ec\ub10c\ud2b8\ub098 \uac1d\uccb4 \ub2e4\uc774\uc5b4\uadf8\ub7a8 \ub4f1 \ubaa8\ub4e0 \uad6c\uc870 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0 \ub300\ud55c \uae30\ubcf8 \uad6c\ud604 \ube14\ub85d\uc744 \uc81c\uacf5\ud558\uae30 \ub54c\ubb38\uc774\ub2e4. <\/P><br \/>\n<TABLE border=0 cellSpacing=0 cellPadding=0 width=\"100%\">\n<TBODY>\n<TR>\n<TD><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/i\/v14\/rules\/blue_rule.gif\" width=100 height=1><\/TD><\/TR><\/TBODY><\/TABLE>\n<TABLE class=no-print cellSpacing=0 cellPadding=0 align=right>\n<TBODY>\n<TR align=right>\n<TD><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/i\/c.gif\" width=16 height=4><br \/>\n<TABLE border=0 cellSpacing=0 cellPadding=0>\n<TBODY>\n<TR>\n<TD vAlign=center><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/i\/v14\/icons\/u_bold.gif\" width=16 height=16><br \/><\/TD>\n<TD vAlign=top align=right><A class=fbox href=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/#main\" cmImpressionSent=\"1\"><B><FONT color=#5c81a7>\uc704\ub85c<\/FONT><\/B><\/A><\/TD><\/TR><\/TBODY><\/TABLE><\/TD><\/TR><\/TBODY><\/TABLE><br \/><br \/>\n<P><a class=\"con_link\" name=\"N10346\" target=\"_blank\" rel=\"noopener\"><SPAN class=atitle>\uae30\ucd08\ub97c \ub118\uc5b4\uc11c<\/SPAN><\/A><\/P>\n<P>\uc9c0\uae08\uae4c\uc9c0 \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc758 \uae30\ucd08\ub97c \uc124\uba85\ud588\ub2e4. \uc544\uc9c1 \ub05d\ub098\uc9c0 \uc54a\uc558\uc73c\ub2c8 \uacc4\uc18d \uc77d\uc5b4\uc8fc\uae30 \ubc14\ub780\ub2e4. \uc774\uc5b4\uc9c0\ub294 \uc139\uc158\uc5d0\uc11c\ub294 \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc758 \ub354 \uc911\uc694\ud55c \uce21\uba74\ub4e4\uc744 \uc124\uba85\ud558\uaca0\ub2e4. \uc778\ud130\ud398\uc774\uc2a4\uc640, \ub0a8\uc544\uc788\ub294 \uc138 \uac00\uc9c0 \uc81c\ud734 \uc720\ud615\ub4e4, \uac00\uc2dc\uc131(visibility), UML 2 \uc2a4\ud329\uc758 \ucd94\uac00 \uc694\uc18c\ub4e4\uc744 \uc124\uba85\ud558\uaca0\ub2e4. <\/P>\n<P><B>\uc778\ud130\ud398\uc774\uc2a4<\/B> <br \/>\uc774 \uae00 \ucd08\ubc18\uc5d0, \uc5ec\ub7ec\ubd84\uc774 <I>classifiers<\/I>\ub97c \ub2e8\uc21c\ud788 \ud074\ub798\uc2a4\ub85c \uac04\uc8fc\ud560 \uac83\uc774\ub77c\uace0 \ub9d0\ud55c\ubc14 \uc788\ub2e4. \uc0ac\uc2e4, Classifier\ub294 \ubcf4\ub2e4 \uc77c\ubc18\uc801\uc778 \uac1c\ub150\uc774\uace0, \uc5ec\uae30\uc5d0\ub294 \ub370\uc774\ud130 \uc720\ud615\uacfc \uc778\ud130\ud398\uc774\uc2a4\uac00 \ud3ec\ud568\ub41c\ub2e4. <\/P>\n<P>\uc2dc\uc2a4\ud15c\uc758 \uad6c\uc870 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0\uc11c \ub370\uc774\ud130 \uc720\ud615\uacfc \uc778\ud130\ud398\uc774\uc2a4\ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \uc0ac\uc6a9\ud560 \uc2dc\uae30\uc640 \ubc29\ubc95\uc744 \uc124\uba85\ud558\ub294 \uac83\uc740 \uc774 \uae00\uc758 \ubc94\uc704\ub97c \ubc97\uc5b4\ub09c\ub2e4. \uadf8\ub807\ub2e4\uba74, \uc65c \ub370\uc774\ud130 \uc720\ud615\uacfc \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc5b8\uae09\ud588\uc744\uae4c? \uac00\ub054\uc740 \uad6c\uc870 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0 \uc774\ub7ec\ud55c Classifier \uc720\ud615\ub4e4\uc744 \ubaa8\ub378\ub9c1 \ud574\uc57c \ud560 \ub54c\uac00 \uc788\uace0, \uc774\ub97c \uc218\ud589\ud560 \ub54c \uc62c\ubc14\ub978 \ud45c\uae30\ubc95\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uc911\uc694\ud558\uba70, \uc801\uc5b4\ub3c4 Classifier \uc720\ud615\ub4e4\uc5d0 \ub300\ud574\uc11c\ub294 \uc54c\uace0 \uc788\uc5b4\uc57c \ud55c\ub2e4. \uc774\ub7ec\ud55c Classifier\ub4e4\uc744 \ubd80\uc815\ud655\ud558\uac8c \uadf8\ub9ac\uba74 \uad6c\uc870 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc744 \uc77d\ub294 \uc0ac\ub78c\ub4e4\uc774 \ud63c\ub780\uc744 \uacaa\uc744 \uac83\uc774\uace0, \uc2dc\uc2a4\ud15c\uc740 \uc694\uad6c \uc0ac\ud56d\uc744 \ucc44\uc6b0\uc9c0 \ubabb\ud558\uac8c \ub41c\ub2e4. <\/P>\n<P>\ud074\ub798\uc2a4\uc640 \uc778\ud130\ud398\uc774\uc2a4\ub294 \ub2e4\ub974\ub2e4. \ud074\ub798\uc2a4\ub294 \uadf8 \uc720\ud615\uc758 \uc2e4\uc81c \uc778\uc2a4\ud134\uc2a4\ub97c \uac00\uc9c8 \uc218 \uc788\uc9c0\ub9cc, \uc778\ud130\ud398\uc774\uc2a4\ub294 \uc774\ub97c \uc2e4\ud589\ud560 \uc801\uc5b4\ub3c4 \ud55c \uac1c\uc758 \ud074\ub798\uc2a4\ub97c \uac00\uc838\uc57c \ud55c\ub2e4. UML 2\uc5d0\uc11c, \uc778\ud130\ud398\uc774\uc2a4\ub294 \ud074\ub798\uc2a4 \ubaa8\ub378\ub9c1 \uc694\uc18c\ub97c \ud2b9\ud654 \ud55c \uac83\uc73c\ub85c \uac04\uc8fc\ud55c\ub2e4. \ub530\ub77c\uc11c, \uc778\ud130\ud398\uc774\uc2a4\ub294 \ud074\ub798\uc2a4\ucc98\ub7fc \uadf8\ub824\uc9c0\uc9c0\ub9cc, \uc9c1\uc0ac\uac01\ud615\uc758 \ub9e8 \uc704 \ubd80\ubd84\uc5d0\ub294 \"\u00abinterface\u00bb\" \ub77c\ub294 \ud14d\uc2a4\ud2b8\uac00 \ubd99\ub294\ub2e4. \uadf8\ub9bc 10<A href=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/#notes\" cmImpressionSent=\"1\"><FONT color=#5c81a7> <SUP>5<\/SUP> <\/FONT><\/A><\/P><FONT color=#5c81a7><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/bell_fig10.gif\" width=325 height=262><\/FONT> \n<P><B>\uadf8\ub9bc 10: Professor\uc640 Student \ud074\ub798\uc2a4\ub4e4\uc774 Person \uc778\ud130\ud398\uc774\uc2a4\ub97c \uad6c\ud604\ud558\ub294 \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8 \uc608\uc81c <\/B><\/P>\n<P>\n<P>\uadf8\ub9bc 10\uc758 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0\uc11c, Professor\uc640 Student \ud074\ub798\uc2a4\ub4e4\uc740 Person \uc778\ud130\ud398\uc774\uc2a4\ub97c \uad6c\ud604\ud558\ub294 \uac83\uc774\uc9c0, Person \uc778\ud130\ud398\uc774\uc2a4\uc5d0\uc11c \uc0c1\uc18d\uc744 \ubc1b\uc9c0 \uc54a\ub294\ub2e4. \uc774\ub807\uac8c \ub9d0\ud558\ub294 \ub370\ub294 \ub450 \uac00\uc9c0 \uadfc\uac70\uac00 \uc788\ub2e4. 1) Person \uac1d\uccb4\ub294 \uc778\ud130\ud398\uc774\uc2a4\ub85c\uc11c \uc815\uc758\ub41c\ub2e4. \uac1d\uccb4\uc758 \uc774\ub984 \uc601\uc5ed\uc5d0 \"\u00abinterface\u00bb\" \ud14d\uc2a4\ud2b8\uac00 \uc788\uace0, Professor\uc640 Student \uac1d\uccb4\ub4e4\uc774 <I>\ud074\ub798\uc2a4<\/I> \uac1d\uccb4\ub97c \uadf8\ub9ac\ub294 \uaddc\uce59\uc5d0 \ub530\ub77c \ub808\uc774\ube14\ub9c1 \ub418\uace0 \uc788\uae30 \ub54c\ubb38\uc5d0 \uc774\ub4e4\uc774 \ud074\ub798\uc2a4 \uac1d\uccb4\ub4e4\uc774\ub77c\ub294 \uac83\uc744 \uc54c\uace0 \uc788\ub2e4. (\uc774\ub984 \uc601\uc5ed\uc5d0 \ucd94\uac00\uc801\uc778 \uad6c\ubd84 \ud14d\uc2a4\ud2b8\uac00 \uc5c6\ub2e4.) 2) \ud654\uc0b4\ud45c\ub85c \uc774\uc5b4\uc9c4 \uc120\uc774 \uc810\uc73c\ub85c \ub418\uc5b4\uc788\uace0 \uc9c1\uc120\uc774 \uc544\ub2c8\uae30 \ub54c\ubb38\uc5d0 \uc0c1\uc18d\uc774 \uc544\ub2c8\ub2e4. \uadf8\ub9bc 10\uc5d0\uc11c \ubcf4\ub4ef, \uc18d\uc774 \ube44\uc5b4\uc788\ub294 \ud3d0\uc1c4 \ud654\uc0b4\ud45c\uac00 \uc5f0\uacb0\ub41c <I>\uc810\uc120<\/I>\uc740 \uad6c\ud604\uc744 \uc758\ubbf8\ud55c\ub2e4. \uadf8\ub9bc 4\uc5d0\uc11c \ubcf4\ub4ef, \uc18d\uc774 \ube44\uc5b4\uc788\ub294 \ud3d0\uc1c4 \ud654\uc0b4\ud45c\ub85c \uc5f0\uacb0\ub41c <I>\uc9c1\uc120<\/I>\uc740 \uc0c1\uc18d\uc744 \uc758\ubbf8\ud55c\ub2e4. <\/P>\n<P><B>\uae30\ud0c0 \uc81c\ud734 \uc720\ud615\ub4e4<\/B> <br \/>\uc55e\uc11c \uc591\ubc29\ud5a5 \uc81c\ud734\uc640 \uc77c\ubc29\ud5a5 \uc81c\ud734\ub97c \uc124\uba85\ud588\ub2e4. \uc774\uc81c\ub294 \ub098\uba38\uc9c0 \uc138 \uac00\uc9c0 \uc81c\ud734 \uc720\ud615\ub4e4\uc744 \uc124\uba85\ud558\ub3c4\ub85d \ud558\uaca0\ub2e4. <\/P>\n<P><B>\uc81c\ud734 \ud074\ub798\uc2a4<\/B> <br \/>\uc81c\ud734\ub97c \ubaa8\ub378\ub9c1 \ud560 \ub54c, \uad00\uacc4\uc5d0 \ub300\ud55c \uc911\uc694\ud55c \uc815\ubcf4\ub97c \ud3ec\ud568\ud558\uace0 \uc788\uae30 \ub54c\ubb38\uc5d0 \ub610 \ub2e4\ub978 \ud074\ub798\uc2a4\ub97c \ud3ec\ud568\uc2dc\ucf1c\uc57c \ud560 \ub54c\uac00 \uc788\ub2e4. \uc774\ub7ec\ud55c \uc774\uc720\ub85c, \uc5ec\ub7ec\ubd84\uc740 \uae30\ubcf8 \uc81c\ud734\uc5d0 \uc5f0\uacb0\ud560 <I>\uc81c\ud734 \ud074\ub798\uc2a4<\/I>\ub97c \uc0ac\uc6a9\ud574\uc57c \ud55c\ub2e4. \uc81c\ud734 \ud074\ub798\uc2a4\ub294 \uc77c\ubc18 \ud074\ub798\uc2a4\ucc98\ub7fc \ud45c\ud604\ub41c\ub2e4. \ucc28\uc774\uc810\uc740, \uae30\ubcf8 \ud074\ub798\uc2a4\ub4e4\uac04 \uc81c\ud734 \ub77c\uc778\uc740 \uc81c\ud734 \ud074\ub798\uc2a4\ub85c \uc5f0\uacb0\ub41c \uc810\uc120\uc744 \ud6a1\ub2e8\ud55c\ub2e4. \uadf8\ub9bc 11\uc740 \ud56d\uacf5 \uad00\ub828 \uc608\uc81c\uc758 \uc81c\ud734 \ud074\ub798\uc2a4 \ubaa8\uc2b5\uc774\ub2e4. <\/P><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/bell_fig11.jpg\" width=572 height=183> \n<P><B>\uadf8\ub9bc 11: \uc81c\ud734 \ud074\ub798\uc2a4 MileageCredit \ucd94\uac00\ud558\uae30<\/B> <\/P>\n<P>\n<P>\uadf8\ub9bc 11\uc758 \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0\uc11c, Flight \ud074\ub798\uc2a4\uc640 FrequentFlyer \ud074\ub798\uc2a4\uac04 \uc81c\ud734\ub294 MileageCredit\ub77c\uace0 \ud558\ub294 \uc81c\ud734 \ud074\ub798\uc2a4\ub77c\ub294 \uacb0\uacfc\ub97c \ub9cc\ub4e4\uc5b4 \ub0b8\ub2e4. Flight \ud074\ub798\uc2a4\uc758 \uc778\uc2a4\ud134\uc2a4\uac00 FrequentFlyer \ud074\ub798\uc2a4\uc758 \uc778\uc2a4\ud134\uc2a4\uc640 \uc81c\ud734\ub420 \ub54c, MileageCredit \ud074\ub798\uc2a4\uc758 \uc778\uc2a4\ud134\uc2a4\ub3c4 \uc0dd\uae34\ub2e4. <\/P>\n<P><B>\uc560\uadf8\ub9ac\uac8c\uc774\uc158(Aggregation) <\/B><br \/>\uc560\uadf8\ub9ac\uac8c\uc774\uc158\uc740 \"\uc804\uccb4\uc640 \ubd80\ubd84\ub4e4(whole to its parts)\" \uad00\uacc4\ub97c \ubaa8\ub378\ub9c1 \ud558\ub294\ub370 \uc0ac\uc6a9\ub418\ub294 \ud2b9\ubcc4\ud55c \uc81c\ud734 \uc720\ud615\uc774\ub2e4. \uae30\ubcf8\uc801\uc778 \uc560\uadf8\ub9ac\uac8c\uc774\uc158 \uad00\uacc4\uc5d0\uc11c, \ubd80\ubd84(<I>part<\/I>) \ud074\ub798\uc2a4\uc758 \ub77c\uc774\ud504 \uc0ac\uc774\ud074\uc740 \uc804\uccb4(<I>whole<\/I>) \ud074\ub798\uc2a4\uc758 \ub77c\uc774\ud504 \uc0ac\uc774\ud074\uacfc\ub294 \ubb34\uad00\ud558\ub2e4. <\/P>\n<P>\uc608\ub97c \ub4e4\uc5b4, <I>Car<\/I>\ub97c \uc804\uccb4 \uc5d4\ud130\ud2f0\ub85c, <I>Car Wheel<\/I>\uc744 \uc804\uccb4 Car\uc758 \ubd80\ubd84\uc73c\ub85c \uc0dd\uac01\ud560 \uc218 \uc788\ub2e4. \ubc14\ud034\ub294 \uba87 \uc8fc \uba3c\uc800 \ub9cc\ub4e4\uc5b4 \uc9c8 \uc218 \uc788\uace0 \uc870\ub9bd\ud558\ub294 \ub3d9\uc548 \uc790\ub3d9\ucc28\uc5d0 \ubd80\ucc29\ub418\uae30 \uc804\uc5d0 \uc6e8\uc5b4\ud558\uc6b0\uc2a4\uc5d0 \ub193\uc77c \uc218 \uc788\ub2e4. \uc774 \uc608\uc81c\uc5d0\uc11c, Wheel \ud074\ub798\uc2a4\uc758 \uc778\uc2a4\ud134\uc2a4\ub294 Car \ud074\ub798\uc2a4\uc758 \uc778\uc2a4\ud134\uc2a4\uc640\ub294 \ub3c5\ub9bd\uc801\uc73c\ub85c \uc874\uc7ac\ud55c\ub2e4. \ud558\uc9c0\ub9cc, <I>\ubd80\ubd84<\/I> \ud074\ub798\uc2a4\uc758 \ub77c\uc774\ud504 \uc0ac\uc774\ud074\uc774 <I>\uc804\uccb4<\/I> \ud074\ub798\uc2a4\uc758 \ub77c\uc774\ud504 \uc0ac\uc774\ud074\uacfc \ubb34\uad00\ud558\uc9c0 <I>\uc54a\uc744 \ub54c\uac00 \uc788\ub2e4<\/I>. \uc774\ub97c composition aggregation\uc774\ub77c\uace0 \ud55c\ub2e4. <I>\ud68c\uc0ac\uc640 \ubd80\uc11c<\/I>\uc758 \uad00\uacc4\ub97c \uc0dd\uac01\ud574 \ubcf4\uba74 \ub41c\ub2e4. \ud68c\uc0ac\uc640 \ubd80\uc11c\ub4e4\uc740 \ud074\ub798\uc2a4\ub85c \ubaa8\ub378\ub9c1 \ub418\uace0, \ud68c\uc0ac\uac00 \uc874\uc7ac\ud558\uae30 \uc804\uc5d0 \ubd80\uc11c\ub294 \uc874\uc7ac\ud560 \uc218 \uc5c6\ub2e4. \uc774 \uacbd\uc6b0 Department \ud074\ub798\uc2a4\uc758 \uc778\uc2a4\ud134\uc2a4\ub294 Company \ud074\ub798\uc2a4\uc758 \uc778\uc2a4\ud134\uc2a4\uc5d0 \uc885\uc18d\uc801\uc774\ub2e4. <\/P>\n<P>\uae30\ubcf8 \uc560\uadf8\ub9ac\uac8c\uc774\uc158\uacfc Composition Aggregation\uc744 \uc790\uc138\ud788 \uc0b4\ud3b4\ubcf4\ub3c4\ub85d \ud558\uc790. <\/P>\n<P><B><I>\uae30\ubcf8 \uc560\uadf8\ub9ac\uac8c\uc774\uc158<\/I> <\/B><br \/>\uc560\uadf8\ub9ac\uac8c\uc774\uc158 \uad00\uacc4\uc640\uc758 \uc81c\ud734\ub294 \ud558\ub098\uc758 \ud074\ub798\uc2a4\uac00 \ub610 \ub2e4\ub978 \ud074\ub798\uc2a4\uc758 \uc77c\ubd80\ub77c\ub294 \uac83\uc744 \ub098\ud0c0\ub0b8\ub2e4. \uc560\uadf8\ub9ac\uac8c\uc774\uc158 \uad00\uacc4\uc5d0\uc11c, \uc790\uc2dd \ud074\ub798\uc2a4 \uc778\uc2a4\ud134\uc2a4\ub294 \ubd80\ubaa8 \ud074\ub798\uc2a4\ubcf4\ub2e4 \uc624\ub798 \uc0b4\uc544\ub0a8\ub294\ub2e4. \uc560\uadf8\ub9ac\uac8c\uc774\uc158 \uad00\uacc4\ub97c \ub098\ud0c0\ub0b4\ub824\uba74, \ubd80\ubaa8 \ud074\ub798\uc2a4\uc5d0\uc11c \ubd80\ubd84 \ud074\ub798\uc2a4\ub85c \uc9c1\uc120\uc744 \uadf8\ub9ac\uace0, \ubd80\ubaa8 \ud074\ub798\uc2a4\uc758 \uc81c\ud734\uc758 \ub05d\uc5d0 \uc18d\uc774 \ube44\uc5b4\uc788\ub294 \ub2e4\uc774\uc544\ubaac\ub4dc \ubaa8\uc591\uc744 \uadf8\ub9b0\ub2e4. \uadf8\ub9bc 12\ub294 Car\uc640 Wheel\uac04 \uc560\uadf8\ub9ac\uac8c\uc774\uc158 \uad00\uacc4 \uc608\uc81c\ub97c \ub098\ud0c0\ub0b8\ub2e4. <\/P><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/bell_fig12.jpg\" width=291 height=49> \n<P><B>\uadf8\ub9bc 12: \uc560\uadf8\ub9ac\uac8c\uc774\uc158 \uc81c\ud734 \uc608\uc81c <\/B><\/P>\n<P>\n<P><B><I>Composition aggregation<\/I> <\/B><br \/>Composition Aggregation \uad00\uacc4\ub294 \uc560\uadf8\ub9ac\uac8c\uc774\uc158 \uad00\uacc4\uc758 \ud55c \ud615\ud0dc\uc774\uc9c0\ub9cc, \uc790\uc2dd \ud074\ub798\uc2a4\uc758 \uc778\uc2a4\ud134\uc2a4 \ub77c\uc774\ud504 \uc0ac\uc774\ud074\uc740 \ubd80\ubaa8 \ud074\ub798\uc2a4\uc758 \uc778\uc2a4\ud134\uc2a4 \ub77c\uc774\ud504 \uc0ac\uc774\ud074\uc5d0 \uc885\uc18d\uc801\uc774\ub2e4. \uadf8\ub9bc 13\uc740 Company \ud074\ub798\uc2a4\uc640 Department \ud074\ub798\uc2a4 \uac04 \ucef4\ud3ec\uc9c0\uc158 \uad00\uacc4\ub97c \ubcf4\uc5ec\uc8fc\ub294\ub370, \ucef4\ud3ec\uc9c0\uc158 \uad00\uacc4\ub294 \uc560\uadf8\ub9ac\uac8c\uc774\uc158 \uad00\uacc4\ucc98\ub7fc \uadf8\ub824\uc9c0\uc9c0\ub9cc, \uc774\ubc88\uc5d0\ub294 \ub2e4\uc774\uc544\ubaac\ub4dc \uc18d\uc774 \ucc44\uc6cc\uc84c\ub2e4. <\/P><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/bell_fig13.jpg\" width=341 height=47> \n<P><B>\uadf8\ub9bc 13: composition \uad00\uacc4 \uc608\uc81c<\/B> <\/P>\n<P>\n<P>\uadf8\ub9bc 13\uc5d0\uc11c \ubaa8\ub378\ub9c1 \ub41c \uad00\uacc4\uc5d0\uc11c, Company \ud074\ub798\uc2a4 \uc778\uc2a4\ud134\uc2a4\uc5d0\ub294 \ud55c \uac1c \uc774\uc0c1\uc758 Department \ud074\ub798\uc2a4 \uc778\uc2a4\ud134\uc2a4\uac00 \uc788\ub2e4. \uc774 \uad00\uacc4\ub294 composition \uad00\uacc4\uc774\uae30 \ub54c\ubb38\uc5d0, Company \uc778\uc2a4\ud134\uc2a4\uac00 \uc81c\uac70\ub420 \ub54c, Department \uc778\uc2a4\ud134\uc2a4\ub3c4 \uc790\ub3d9\uc801\uc73c\ub85c \uc81c\uac70\ub41c\ub2e4. Composition Aggregation\uc758 \ub610 \ub2e4\ub978 \uc911\uc694\ud55c \ud2b9\uc9d5\uc740 \ubd80\ubd84 \ud074\ub798\uc2a4\ub294 \ubd80\ubaa8 \ud074\ub798\uc2a4\uc758 \ud55c \uc778\uc2a4\ud134\uc2a4\uc640\ub9cc \uc5f0\uacb0\ub420 \uc218 \uc788\ub2e4\ub294 \uc810\uc774\ub2e4. (\uc6b0\ub9ac \uc608\uc81c\uc758 \uacbd\uc6b0, Company \ud074\ub798\uc2a4) <\/P>\n<P><B>\ubc18\uc0ac \uc81c\ud734(Reflexive association)<\/B> <br \/>\uc9c0\uae08\uae4c\uc9c0, \ubaa8\ub4e0 \uc81c\ud734 \uc720\ud615\ub4e4\uc5d0 \ub300\ud574\uc11c \uc0b4\ud3b4\ubcf4\uc558\ub2e4. \uc5ec\ub7ec\ubd84\ub3c4 \uc54c\ub2e4\uc2dc\ud53c, \uc774 \ubaa8\ub4e0 \uc608\uc81c\ub4e4\uc740 \ub450 \uac1c\uc758 \ub2e4\ub978 \ud074\ub798\uc2a4\ub4e4\uac04 \uad00\uacc4\ub97c \ubcf4\uc5ec\uc8fc\uc5c8\ub2e4. \ud558\uc9c0\ub9cc, \ubc18\uc0ac \uc81c\ud734(reflexive association)\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud558\ub098\uc758 \ud074\ub798\uc2a4\uac00 \uadf8 \uc790\uccb4\ub85c \uc81c\ud734\ub420 \uc218\ub3c4 \uc788\ub2e4. \uc5b8\ub73b \uc774\ud574\uac00 \ub418\uc9c0 \uc54a\uc9c0\ub9cc, \ud074\ub798\uc2a4\ub4e4\uc774 \ucd94\uc0c1\uc801\uc774\ub77c\ub294 \uac83\uc744 \uae30\uc5b5\ud558\ub77c. \uadf8\ub9bc 14\ub294 Employee \ud074\ub798\uc2a4\uac00 manager \uc5ed\ud560\uc744 \ud1b5\ud574 \uc2a4\uc2a4\ub85c \uc5f0\uacb0\ub418\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc8fc\uace0 \uc788\ub2e4. \ud558\ub098\uc758 \ud074\ub798\uc2a4\uac00 \uc2a4\uc2a4\ub85c \uc81c\ud734\ub97c \ub9fa\uc744 \ub54c, \ud074\ub798\uc2a4\uc758 \uc778\uc2a4\ud134\uc2a4\ub3c4 \uc2a4\uc2a4\ub85c \uc81c\ud734\ub97c \ub9fa\ub294 \uac83\uc774 \uc544\ub2cc, \ud074\ub798\uc2a4\uc758 \uc778\uc2a4\ud134\uc2a4\ub294 \uadf8 \ud074\ub798\uc2a4\uc758 \ub2e4\ub978 \uc778\uc2a4\ud134\uc2a4\uc640 \uc5f0\uacb0\ub41c\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud55c\ub2e4. <\/P><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/bell_fig14.gif\" width=193 height=114> \n<P><B>\uadf8\ub9bc 14: \ubc18\uc0ac \uc81c\ud734 \uad00\uacc4 \uc608\uc81c<\/B> <\/P>\n<P>\n<P>\uadf8\ub9bc 14\uc758 \uad00\uacc4\ub3c4\ub294 Employee\uc758 \uc778\uc2a4\ud134\uc2a4\uac00 \ub610 \ub2e4\ub978 Employee \uc778\uc2a4\ud134\uc2a4\uc758 \ub9e4\ub2c8\uc800\uac00 \ub420 \uc218 \uc788\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud55c\ub2e4. \ud558\uc9c0\ub9cc, \"manages\"\uc758 \uad00\uacc4 \uc5ed\ud560\uc774 0..*\uc758 Multiplicity\ub97c \uac00\uc9c8 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 Employee\ub294 \uad00\ub9ac\ud560 \ub2e4\ub978 Employee\uac00 \uc5c6\uc744 \uc218 \uc788\ub2e4. <\/P>\n<P><B>\uac00\uc2dc\uc131<\/B> <br \/>\uac1d\uccb4 \uc9c0\ud5a5 \ub514\uc790\uc778\uc5d0\uc11c, \uc560\ud2b8\ub9ac\ubdf0\ud2b8\uc640 \uc5f0\uc0b0\uc5d0 \ub300\ud55c \uac00\uc2dc\uc131 \ud45c\uae30\ubc95\uc774 \uc788\ub2e4. UML\uc740 \ub124 \uac00\uc9c0 \uac00\uc2dc\uc131 \uc720\ud615\uc744 \uc815\uc758\ud558\uace0 \uc788\ub2e4: Public, Protected, Private, Package<\/P>\n<P>UML \uc2a4\ud329\uc5d0\uc11c\ub294 \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0 \ub514\uc2a4\ud50c\ub808\uc774 \ub418\ub294 \uc560\ud2b8\ub9ac\ubdf0\ud2b8\uc640 \uc5f0\uc0b0 \uac00\uc2dc\uc131\uc744 \uc694\ud558\uc9c0 \uc54a\uc9c0\ub9cc, \uac01 \uc560\ud2b8\ub9ac\ubdf0\ud2b8\ub098 \uc5f0\uc0b0\uc5d0 \ub300\ud574 \uc815\uc758\ub418\uc5b4\uc57c \ud55c\ub2e4\uace0 \uc815\ud558\uace0 \uc788\ub2e4. \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0 \uac00\uc2dc\uc131\uc744 \ub514\uc2a4\ud50c\ub808\uc774 \ud558\ub824\uba74, \uc560\ud2b8\ub9ac\ubdf0\ud2b8 \ub610\ub294 \uc5f0\uc0b0\uc758 \uc774\ub984 \uc55e\uc5d0 \uac00\uc2dc\uc131 \ubd80\ud638\ub97c \ubd99\uc5ec\uc57c \ud55c\ub2e4. UML\uc774 \ub124 \uac00\uc9c0 \uac00\uc2dc\uc131 \uc720\ud615\uc744 \uc815\uc758\ud558\uc9c0\ub9cc, \uc2e4\uc81c \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\ub294 \ucd94\uac00 \uac00\uc2dc\uc131\ub4e4\uc744 \ucd94\uac00\ud558\uac70\ub098, UML\uc5d0\uc11c \uc815\uc758\ub41c \uac00\uc2dc\uc131\uc740 \uc9c0\uc6d0\ud558\uc9c0 \uc54a\uc744 \uc218\ub3c4 \uc788\ub2e4. \ud45c 4\ub294 UML\uc5d0\uc11c \uc9c0\uc6d0\ub418\ub294 \uac00\uc2dc\uc131 \uc720\ud615\uc5d0 \ub300\ud55c \ubd80\ud638\ub97c \uc815\ub9ac\ud55c \uac83\uc774\ub2e4. <\/P>\n<P><B>\ud45c 4: UML \uc9c0\uc6d0 \uac00\uc2dc\uc131 \uc720\ud615\uc5d0 \ub300\ud55c \ubd80\ud638<\/B> <\/P>\n<TABLE border=0 width=\"100%\">\n<TBODY>\n<TR>\n<TD bgColor=#000000>\n<TABLE border=0 width=\"100%\">\n<TBODY>\n<TR bgColor=#cccccc>\n<TD>Mark<\/TD>\n<TD>Visibility type<\/TD><\/TR>\n<TR bgColor=#ffff99>\n<TD>+<\/TD>\n<TD>Public<\/TD><\/TR>\n<TR bgColor=#ffff99>\n<TD># <\/TD>\n<TD>Protected<\/TD><\/TR>\n<TR bgColor=#ffff99>\n<TD>- <\/TD>\n<TD>Private<\/TD><\/TR>\n<TR bgColor=#ffff99>\n<TD>~<\/TD>\n<TD>Package<\/TD><\/TR><\/TBODY><\/TABLE><\/TD><\/TR><\/TBODY><\/TABLE>\n<P>\uc774\uc81c \uc560\ud2b8\ub9ac\ubdf0\ud2b8\uc640 \uc5f0\uc0b0\uc5d0 \ub300\ud55c \uac00\uc2dc\uc131 \uc720\ud615\uc744 \ubcf4\uc5ec\uc8fc\ub294 \ud074\ub798\uc2a4\ub97c \ubcf4\uc790. \uadf8\ub9bc 15\uc5d0\uc11c, \ubaa8\ub4e0 \uc560\ud2b8\ub9ac\ubdf0\ud2b8\uc640 \uc5f0\uc0b0\ub4e4\uc740 Public\uc774\uace0, updateBalance \uc5f0\uc0b0\ub9cc \uc608\uc678\uc774\ub2e4. updateBalance \uc5f0\uc0b0\uc740 Protected\uc774\ub2e4. <\/P><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/bell_fig15.jpg\" width=276 height=129> \n<P><B>\uadf8\ub9bc 15: \uc560\ud2b8\ub9ac\ubdf0\ud2b8\uc640 \uc5f0\uc0b0\uc758 \uac00\uc2dc\uc131\uc744 \ubcf4\uc5ec\uc8fc\ub294 BankAccount \ud074\ub798\uc2a4<\/B> <\/P>\n<P><br \/><\/P>\n<TABLE border=0 cellSpacing=0 cellPadding=0 width=\"100%\">\n<TBODY>\n<TR>\n<TD><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/i\/v14\/rules\/blue_rule.gif\" width=100 height=1><\/TD><\/TR><\/TBODY><\/TABLE>\n<TABLE class=no-print cellSpacing=0 cellPadding=0 align=right>\n<TBODY>\n<TR align=right>\n<TD><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/i\/c.gif\" width=16 height=4><br \/>\n<TABLE border=0 cellSpacing=0 cellPadding=0>\n<TBODY>\n<TR>\n<TD vAlign=center><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/i\/v14\/icons\/u_bold.gif\" width=16 height=16><br \/><\/TD>\n<TD vAlign=top align=right><A class=fbox href=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/#main\" cmImpressionSent=\"1\"><B><FONT color=#5c81a7>\uc704\ub85c<\/FONT><\/B><\/A><\/TD><\/TR><\/TBODY><\/TABLE><\/TD><\/TR><\/TBODY><\/TABLE><br \/><br \/>\n<P><a class=\"con_link\" name=\"N1048E\" target=\"_blank\" rel=\"noopener\"><SPAN class=atitle>UML 2 \ucd94\uac00<\/SPAN><\/A><\/P>\n<P>\uc9c0\uae08\uae4c\uc9c0 \uae30\ubcf8\uc801\uc778 \ub0b4\uc6a9\uacfc \uace0\uae09 \uc8fc\uc81c\ub4e4\uc744 \ub2e4\ub8e8\uc5c8\ub2e4. \uc774\uc81c UML 1.x\uc5d0 \ucd94\uac00\ub41c \uc0c8\ub85c\uc6b4 \ud45c\uae30\ubc95\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uc790. <\/P>\n<P><B>\uc778\uc2a4\ud134\uc2a4<\/B> <br \/>\uc2dc\uc2a4\ud15c\uc758 \uad6c\uc870\ub97c \ubaa8\ub378\ub9c1 \ud560 \ub54c, \ud074\ub798\uc2a4\uc758 \uc608\uc81c \uc778\uc2a4\ud134\uc2a4\ub97c \ubcf4\uc5ec\uc8fc\ub294 \uac83\uc774 \uac00\ub054 \uc720\uc6a9\ud558\ub2e4. \uc774\uac83\uc744 \ubaa8\ub378\ub9c1 \ud558\uae30 \uc704\ud574, UML 2\ub294 \uc5d8\ub9ac\uba3c\ud2b8\ub97c \uc81c\uacf5\ud558\ub294\ub370, \uc774\uac83\uc740 \uc2dc\uc2a4\ud15c\uc758 \uc608\uc2dc(\ub610\ub294 \uc2e4\uc81c) <I>\uc778\uc2a4\ud134\uc2a4<\/I>\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud765\ubbf8\ub85c\uc6b4 \uc815\ubcf4\ub97c \ubcf4\uc5ec\uc900\ub2e4.<\/P>\n<P>\uc778\uc2a4\ud134\uc2a4\uc758 \ud45c\uae30\ubc95\uc740 \ud074\ub798\uc2a4\uc640 \uac19\uc9c0\ub9cc, \ub9e8 \uc704 \ubd80\ubd84\uc5d0 \ud074\ub798\uc2a4 \uc774\ub984 \ub300\uc2e0, \uc774\ub984\uc5d0\ub294 \ubc11\uc904\uc774 \uc0dd\uae34\ub2e4. <\/P>\n<BLOCKQUOTE>\n<TABLE border=0 cellSpacing=0 cellPadding=0 width=400>\n<TBODY>\n<TR>\n<TD class=code-outline><PRE class=displaycode>Instance Name : Class Name<\/PRE><\/TD><\/TR><\/TBODY><\/TABLE><br \/><\/BLOCKQUOTE>\n<P>\uc608\ub97c \ub4e4\uc5b4,<\/P>\n<BLOCKQUOTE>\n<TABLE border=0 cellSpacing=0 cellPadding=0 width=400>\n<TBODY>\n<TR>\n<TD class=code-outline><PRE class=displaycode>Donald : Person<\/PRE><\/TD><\/TR><\/TBODY><\/TABLE><br \/><\/BLOCKQUOTE>\n<P>\uc778\uc2a4\ud134\uc2a4\ub97c \ubcf4\uc5ec\uc8fc\ub294 \uc774\uc720\uac00 \uad00\uc2ec\uc774 \uc788\uac70\ub098 \uad00\ub828\uc774 \uc788\ub294 \uc815\ubcf4\ub97c \ubcf4\uc5ec\uc8fc\ub294 \uac83\uc774\uae30 \ub54c\ubb38\uc5d0, \ubaa8\ub378 \uc548\uc5d0 \uc804\uccb4 \uc778\uc2a4\ud134\uc2a4\uc758 \uc560\ud2b8\ub9ac\ubdf0\ud2b8\uc640 \uc5f0\uc0b0\uc744 \ud3ec\ud568\uc2dc\ud0ac \ud544\uc694\ub294 \uc5c6\ub2e4. \ub300\uc2e0, \uadf8\ub9bc 16\uc5d0\uc11c\ucc98\ub7fc \uad00\uc2ec\uc774 \uc788\ub294 \uc560\ud2b8\ub9ac\ubdf0\ud2b8\uc640 \uac12\ub4e4\ub9cc \ubcf4\uc5ec\uc8fc\ub294 \uac83\uc774 \uc88b\ub2e4. <\/P><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/bell_fig16.jpg\" width=176 height=90> \n<P><B>\uadf8\ub9bc 16: Plane \ud074\ub798\uc2a4\uc758 \uc778\uc2a4\ud134\uc2a4 \uc608\uc81c (\uad00\uc2ec \uc788\ub294 \uc560\ud2b8\ub9ac\ubdf0\ud2b8 \uac12\ub4e4\ub9cc \ubcf4\uc778\ub2e4.)<\/B> <\/P>\n<P>\n<P>\ud558\uc9c0\ub9cc, \ub2e8\uc21c\ud788 \uad00\uacc4\uc5d0 \ub300\ud55c \uc124\uba85 \uc5c6\uc774 \uba87 \uac00\uc9c0 \uc778\uc2a4\ud134\uc2a4\ub4e4\ub9cc \ubcf4\uc5ec\uc8fc\ub294 \uac83\uc740 \uc4f8\ubaa8\uac00 \uc5c6\ub2e4. \ub530\ub77c\uc11c, UML 2\ub294 \uc778\uc2a4\ud134\uc2a4 \ub808\ubca8\uc5d0\uc11c \uad00\uacc4\/\uc81c\ud734 \ubaa8\ub378\ub9c1\uc744 \uc801\uc6a9\ud55c\ub2e4. \uc81c\ud734\ub97c \uadf8\ub9ac\ub294 \uaddc\uce59\uc740 \uc77c\ubc18 \ud074\ub798\uc2a4 \uad00\uacc4\uc640 \uac19\uc9c0\ub9cc, \uc81c\ud734\ub97c \ubaa8\ub378\ub9c1 \ud560 \ub54c \ud55c \uac00\uc9c0 \ucd94\uac00 \uc694\uad6c \uc0ac\ud56d\uc774 \uc788\ub2e4. \uc81c\ud734 \uad00\uacc4\ub294 \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc758 \uad00\uacc4\uc640 \ub9e4\uce58\ud574\uc57c \ud558\uace0, \uc81c\ud734\uc758 \uc5ed\ud560 \uc774\ub984 \uc5ed\uc2dc \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uacfc \ub9e4\uce58\ub418\uc5b4\uc57c \ud55c\ub2e4. \uc774\uac83\uc758 \uc608\uc81c\ub294 \uadf8\ub9bc 17\uc5d0 \ub098\ud0c0\ub098 \uc788\ub2e4. \uc774 \uc608\uc81c\uc5d0\uc11c, \uc778\uc2a4\ud134\uc2a4\ub294 \uadf8\ub9bc 6\uc758 \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc758 \uc778\uc2a4\ud134\uc2a4 \uc608\uc81c\uc774\ub2e4. <\/P><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/bell_fig17.jpg\" width=572 height=245> \n<P><B>\uadf8\ub9bc 17: \ud074\ub798\uc2a4 \ub300\uc2e0 \uc778\uc2a4\ud134\uc2a4\ub97c \uc0ac\uc6a9\ud558\ub294 \uadf8\ub9bc 6\uc758 \uc608\uc81c <\/B><\/P>\n<P>\n<P>\uadf8\ub9bc 17\uc740 Flight \ud074\ub798\uc2a4\uc758 \ub450 \uac1c\uc758 \uc778\uc2a4\ud134\uc2a4\ub97c \uac16\uace0 \uc788\ub2e4. \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc774, Plane \ud074\ub798\uc2a4\uc640 Flight \ud074\ub798\uc2a4\uac04 \uad00\uacc4\ub97c <I>zero-to-many<\/I>\ub77c\uace0 \uba85\uc2dc\ud588\uae30 \ub54c\ubb38\uc774\ub2e4. \ub530\ub77c\uc11c, \uc6b0\ub9ac \uc608\uc81c\uc5d0\uc11c\ub294 NX0337 Plane \uc778\uc2a4\ud134\uc2a4\uac00 \uc5f0\uad00\ub41c \ub450 \uac1c\uc758 Flight \uc778\uc2a4\ud134\uc2a4\ub97c \ubcf4\uc5ec\uc8fc\uace0 \uc788\ub2e4.<\/P>\n<P><B>\uc5ed\ud560<\/B> <br \/>\ud074\ub798\uc2a4\uc758 \uc778\uc2a4\ud134\uc2a4\ub97c \ubaa8\ub378\ub9c1 \ud558\ub294 \uac83\uc740 \uae30\ub300 \uc774\uc0c1\uc73c\ub85c \uc0c1\uc138\ud558\ub2e4. \uac00\ub054, \ubcf4\ub2e4 \uc77c\ubc18\uc801\uc778 \ub808\ubca8\uc5d0\uc11c \ud074\ub798\uc2a4\uc758 \uad00\uacc4\ub97c \ubaa8\ub378\ub9c1\ud558\uace0 \uc2f6\uc744 \ub54c\uac00 \uc788\ub2e4. \uc774 \uac19\uc740 \uacbd\uc6b0, \uc5ed\ud560(<I>role<\/I>) \ud45c\uae30\ubc95\uc744 \uc0ac\uc6a9\ud574\uc57c \ud55c\ub2e4. \uc5ed\ud560 \ud45c\uae30\ubc95\uc740 \uc778\uc2a4\ud134\uc2a4 \ud45c\uae30\ubc95\uacfc \ub9e4\uc6b0 \ube44\uc2b7\ud558\ub2e4. \ud074\ub798\uc2a4\uc758 \uc5ed\ud560\uc744 \ubaa8\ub378\ub9c1 \ud558\ub824\uba74, \ubc15\uc2a4\ub97c \uadf8\ub9b0 \ub2e4\uc74c, \uc778\uc2a4\ud134\uc2a4 \ud45c\uae30\ubc95\uc5d0\uc11c\ucc98\ub7fc \uadf8 \uc548\uc5d0 \ud074\ub798\uc2a4\uc758 \uc5ed\ud560 \uc774\ub984\uacfc \ud074\ub798\uc2a4 \uc774\ub984\uc744 \ub193\ub294\ub2e4. \ud558\uc9c0\ub9cc, \uc774 \uacbd\uc6b0, \ub2e8\uc5b4\uc5d0 \ubc11\uc904\uc744 \uadf8\uc5b4\uc11c\ub294 \uc548\ub41c\ub2e4. \uadf8\ub9bc 18\uc740 \uadf8\ub9bc 14\uc758 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0\uc11c \uc124\uba85\ud55c Employee \ud074\ub798\uc2a4\uc758 \uc5ed\ud560 \uc608\uc81c\uc774\ub2e4. \uadf8\ub9bc 18\uc5d0\uc11c, Employee \ud074\ub798\uc2a4\uac00 \uc2a4\uc2a4\ub85c\uc640 \uc5f0\uacb0\ub418\uc5c8\ub354\ub77c\ub3c4, \uadf8 \uad00\uacc4\ub294 \ub9e4\ub2c8\uc800\uc758 \uc5ed\ud560\uc744 \ud558\ub294 Employee\uc640 \ud300 \uba64\ubc84\uc758 \uc5ed\ud560\uc744 \ud558\ub294 Employee\uac04 \uad00\uacc4\uc774\ub2e4. <\/P><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/bell_fig18.gif\" width=506 height=73> \n<P><B>\uadf8\ub9bc 18: \uac01\uc790 \ub2e4\ub978 \uc5ed\ud560\uc744 \uac00\uc9c4 \uadf8\ub9bc 14\uc758 \ud074\ub798\uc2a4\ub97c \ubcf4\uc5ec\uc8fc\ub294 \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8 <\/B><\/P>\n<P>\ud3c9\ubc94\ud55c \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0\uc11c \ud074\ub798\uc2a4\uc758 \uc5ed\ud560\uc744 \ubaa8\ub378\ub9c1 \ud560 \uc218 \uc5c6\ub2e4. \uc2ec\uc9c0\uc5b4, \uadf8\ub9bc 18\uc740 \uac00\ub2a5\ud55c \uac83\ucc98\ub7fc \ubcf4\uc5ec\ub3c4 \ubaa8\ub378\ub9c1\uc740 \ubd88\uac00\ub2a5\ud558\ub2e4. \uc5ed\ud560 \ud45c\uae30\ubc95\uc744 \uc0ac\uc6a9\ud558\ub824\uba74, Internal Structure \ud45c\uae30\ubc95\uc744 \uc0ac\uc6a9\ud574\uc57c \ud55c\ub2e4. <\/P>\n<P><B>Internal Structures<\/B> <br \/>UML 2 \uad6c\uc870 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc758 \uc720\uc6a9\ud55c \uae30\ub2a5\ub4e4 \uc911 \ud558\ub098\ub294 \uc0c8\ub85c\uc6b4 Internal Structures \ud45c\uae30\ubc95\uc774\ub2e4. \ud074\ub798\uc2a4\uc640 \ub610 \ub2e4\ub978 Classifier\uac00 \ub0b4\ubd80\uc5d0\uc11c \uad6c\uc131\ub418\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc8fc\uace0 \uc788\ub2e4. \uc774\uac83\uc740 UML 1.x\uc5d0\uc11c\ub294 \ubd88\uac00\ub2a5 \ud588\ub2e4. \uc774 \ud45c\uae30\ubc95 \uc138\ud2b8\ub294 \ud074\ub798\uc2a4\uac00 \uac00\uc9c4 \uc560\uadf8\ub9ac\uac8c\uc774\uc158 \uad00\uacc4\ub9cc \ubcf4\uc5ec\uc8fc\uae30 \ub54c\ubb38\uc774\uc5c8\ub2e4. \uc774\uc81c, UML 2\uc5d0\uc11c Internal Structures \ud45c\uae30\ubc95\uc73c\ub85c \ud074\ub798\uc2a4\uc758 \ubd80\ubd84\ub4e4\uc774 \uc11c\ub85c \uc5b4\ub5bb\uac8c \uc5f0\uad00\ub418\ub294\uc9c0\ub97c \uba85\ud655\ud788 \ubcf4\uc5ec\uc904 \uc218 \uc788\ub2e4. <\/P>\n<P>\uc608\uc81c\ub97c \ubcf4\uc790. \uadf8\ub9bc 18\uc5d0\uc11c\ub294 Plane \ud074\ub798\uc2a4\uac00 \ub124 \uac1c\uc758 \uc5d4\uc9c4\ub4e4\uacfc \ub450 \uac1c\uc758 \ucee8\ud2b8\ub864 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uac1d\uccb4\ub4e4\ub85c \uad6c\uc131\ub418\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc8fc\ub294 \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc744 \ubcf4\uc558\ub2e4. \uc774 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0\uc11c \ube7c\uba39\uc740 \uac83\uc740 \ube44\ud589\uae30\uc758 \ubd80\ud488\ub4e4\uc774 \uc870\ub9bd\ub418\ub294 \ubc29\ubc95\uc5d0 \ub300\ud55c \uc815\ubcf4\uc774\ub2e4. \uadf8\ub9bc 18\uc758 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0\uc11c, \ucee8\ud2b8\ub864 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uac1d\uccb4\ub4e4\uc774 \ub450 \uac1c\uc758 \uc5d4\uc9c4\ub4e4\uc744 \uc81c\uc5b4\ud558\ub294\uc9c0, \ud558\ub098\uc758 \ucee8\ud2b8\ub864 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uac1d\uccb4\uac00 \uc138 \uac1c\uc758 \uc5d4\uc9c4\ub4e4\uc744 \uc81c\uc5b4\ud558\uace0 \ub2e4\ub978 \ucee8\ud2b8\ub864 \uc18c\ud504\ud2b8\uc6e8\uc5b4\uac00 \ud558\ub098\uc758 \uc5d4\uc9c4\uc744 \uc81c\uc5b4\ud558\ub294\uc9c0\ub97c \uc54c \uc218 \uc5c6\ub2e4. <\/P><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/bell_fig19.gif\" width=415 height=197> \n<P><B>\uadf8\ub9bc 19: \uac1d\uccb4\ub4e4 \uac04 \uad00\uacc4\ub9cc \ubcf4\uc5ec\uc8fc\ub294 \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8 <\/B><\/P>\n<P>\n<P>\ud074\ub798\uc2a4\uc758 \ub0b4\ubd80 \uad6c\uc870\ub97c \uadf8\ub9b0\ub2e4\uba74 \uc0c1\ud669\uc740 \ub354 \ub098\uc544\uc9c8 \uac83\uc774\ub2e4. \ub450 \uac1c\uc758 \uce78\uc744 \uac00\uc9c4 \ubc15\uc2a4\ub97c \uadf8\ub9b0\ub2e4. \uc717\uce78\uc5d0\ub294 \ud074\ub798\uc2a4 \uc774\ub984\uc774, \uc544\ub798\uce78\uc5d0\ub294 \ud074\ub798\uc2a4\uc758 \ub0b4\ubd80 \uad6c\uc870\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uace0, \uac01\uac01\uc758 \uc5ed\ud560\uc5d0 \ubd80\ubaa8 \ud074\ub798\uc2a4\uc758 \ubd80\ubd84 \ud074\ub798\uc2a4\ub4e4\uc744 \ubcf4\uc5ec\uc8fc\uace0 \uc788\uace0, \uac01\uac01\uc758 \ud2b9\uc815 \ud074\ub798\uc2a4\uac00 \uadf8 \uc5ed\ud560\uc5d0\uc11c \uc11c\ub85c\uc11c\ub85c \uc5f0\uad00\ub418\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc8fc\uace0 \uc788\ub2e4. \uadf8\ub9bc 19\ub294 Plane \ud074\ub798\uc2a4\uc758 \ub0b4\ubd80 \uad6c\uc870\ub97c \ubcf4\uc5ec\uc8fc\uace0 \uc788\ub2e4. \ub0b4\ubd80 \uad6c\uc870\uac00 \ud63c\ub780\uc744 \uc5b4\ub5bb\uac8c \uc885\uc2dd\uc2dc\ud0a4\ub294\uc9c0 \uc8fc\ubaa9\ud558\ub77c. <\/P><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/bell_fig20.gif\" width=572 height=273> \n<P><B>\uadf8\ub9bc 20: Plane \ud074\ub798\uc2a4\uc758 \ub0b4\ubd80 \uad6c\uc870 \uc608\uc81c <\/B><\/P>\n<P>\n<P>\uadf8\ub9bc 20\uc5d0\uc11c, Plane\uc740 \ub450 \uac1c\uc758 ControlSoftware \uac1d\uccb4\ub4e4\uc744 \uac16\uace0 \uc787\uace0, \uac01\uac01 \ub450 \uac1c\uc758 \uc5d4\uc9c4\ub4e4\uc744 \uc81c\uc5b4\ud558\uace0 \uc788\ub2e4. \uc774 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc758 \uc67c\ucabd\uc5d0 \uc788\ub294 ControlSoftware(control1)\ub294 \uc5d4\uc9c4 1\uacfc \uc5d4\uc9c4 2\ub97c \uc81c\uc5b4\ud55c\ub2e4. \uc624\ub978\ucabd\uc5d0 \uc788\ub294 ControlSoftware(control2)\ub294 \uc5d4\uc9c4 3\uacfc 4\ub97c \uc81c\uc5b4\ud55c\ub2e4. <\/P><br \/>\n<TABLE border=0 cellSpacing=0 cellPadding=0 width=\"100%\">\n<TBODY>\n<TR>\n<TD><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/i\/v14\/rules\/blue_rule.gif\" width=100 height=1><\/TD><\/TR><\/TBODY><\/TABLE>\n<TABLE class=no-print cellSpacing=0 cellPadding=0 align=right>\n<TBODY>\n<TR align=right>\n<TD><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/i\/c.gif\" width=16 height=4><br \/>\n<TABLE border=0 cellSpacing=0 cellPadding=0>\n<TBODY>\n<TR>\n<TD vAlign=center><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/i\/v14\/icons\/u_bold.gif\" width=16 height=16><br \/><\/TD>\n<TD vAlign=top align=right><A class=fbox href=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/#main\" cmImpressionSent=\"1\"><B><FONT color=#5c81a7>\uc704\ub85c<\/FONT><\/B><\/A><\/TD><\/TR><\/TBODY><\/TABLE><\/TD><\/TR><\/TBODY><\/TABLE><br \/><br \/>\n<P><a class=\"con_link\" name=\"N1052E\" target=\"_blank\" rel=\"noopener\"><SPAN class=atitle>\uacb0\ub860<\/SPAN><\/A><\/P>\n<P>\ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc77c \uc774\ud574\ud574\uc57c \ud558\ub294 \ub450 \uac00\uc9c0 \uc911\uc694\ud55c \uc774\uc720\uac00 \uc788\ub2e4. \uccab \ubc88\uc9f8\ub294 \uc2dc\uc2a4\ud15c\uc5d0\uc11c Classifier\uc758 \uc815\uc801 \uad6c\ubcf4\ub97c \ubcf4\uc5ec\uc8fc\ub294 \uac83\uc774\uace0, \ub450 \ubc88\uc9f8 \uc774\uc720\ub294 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc774 UML\uc5d0\uc11c \uc815\ud55c \ub2e4\ub978 \uad6c\uc870 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0 \ub300\ud55c \uae30\ubcf8\uc801\uc778 \ud45c\uae30\ubc95\uc744 \uc81c\uacf5\ud558\uae30 \ub54c\ubb38\uc5d0\ub2e4. \uac1c\ubc1c\uc790\ub4e4\uc740 \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc774 \uc790\uc2e0\ub4e4\uc744 \uc704\ud574 \ud2b9\ubcc4\ud788 \ub9cc\ub4e4\uc5b4\uc84c\ub2e4\uace0 \uc0dd\uac01\ud560 \uac83\uc774\ub2e4. \ud558\uc9c0\ub9cc \ub2e4\ub978 \ud300 \uba64\ubc84\ub4e4 \uc5ed\uc2dc \uc774\uac83\uc744 \uc720\uc6a9\ud558\uac8c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4. \ube44\uc988\ub2c8\uc2a4 \ubd84\uc11d\uac00\ub4e4\uc740 \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc744 \uc0ac\uc6a9\ud558\uc5ec \ube44\uc988\ub2c8\uc2a4 \uad00\uc810\uc5d0\uc11c \uc2dc\uc2a4\ud15c\uc744 \ubaa8\ub378\ub9c1 \ud560 \uc218 \uc788\ub2e4. \ubcf8 \uc2dc\ub9ac\uc988\uc758 \ub2e4\ub978 \uae30\uc220\uc790\ub8cc\ub97c \ucc38\uc870\ud558\uba74 \uc54c\uaca0\uc9c0\ub9cc, \ub2e4\ub978 \ub2e4\uc774\uc5b4\uadf8\ub7a8\ub4e4(\uc561\ud2f0\ube44\ud2f0, \uc2dc\ud000\uc2a4, statechart \ub2e4\uc774\uc5b4\uadf8\ub7a8)\uc740 \uc774 \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0\uc11c \ubaa8\ub378\ub9c1 \ubc0f \ubb38\uc11c\ud654 \ub41c \ud074\ub798\uc2a4\ub4e4\uc744 \ucc38\uc870\ud558\uace0 \uc788\ub2e4. <\/P>\n<P>\ub2e4\uc74c \uc2dc\ub9ac\uc988\ub294 \"UML \uae30\ucd08:\" \ucef4\ud3ec\ub10c\ud2b8 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc774\ub2e4. <\/P><a class=\"con_link\" name=\"notes\" target=\"_blank\" rel=\"noopener\"><br \/>\n<TABLE border=0 cellSpacing=0 cellPadding=0 width=\"100%\">\n<TBODY>\n<\/TBODY><\/TABLE>\n<TABLE class=no-print cellSpacing=0 cellPadding=0 align=right>\n<TBODY>\n<TR align=right>\n<TD><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/i\/c.gif\" width=16 height=4><br \/>\n<TABLE border=0 cellSpacing=0 cellPadding=0>\n<TBODY>\n<TR>\n<TD vAlign=center><IMG style=\"CURSOR: pointer\" onclick=\"popview(this, '90000003_000000000000000DFC0C2B70')\" src=\"http:\/\/www.ibm.com\/i\/v14\/icons\/u_bold.gif\" width=16 height=16><br \/><\/TD>\n<TD vAlign=top align=right><A class=fbox href=\"http:\/\/www.ibm.com\/developerworks\/kr\/library\/sep04\/bell\/#main\" cmImpressionSent=\"1\"><B><FONT color=#5c81a7>\uc704\ub85c<\/FONT><\/B><\/A><\/TD><\/TR><\/TBODY><\/TABLE><\/TD><\/TR><\/TBODY><\/TABLE><br \/><br \/>\n<P><a class=\"con_link\" name=\"N1053F\" target=\"_blank\" rel=\"noopener\"><SPAN class=atitle>\uc8fc<\/SPAN><\/A><\/P>\n<P><SUP>1<\/SUP> delayFlight\uc740 \ub9ac\ud134 \uac12\uc774 \uc5c6\ub2e4. delay \uc5f0\uc0b0\uc774 \uc0c8\ub85c\uc6b4 \ub3c4\ucc29 \uc2dc\uac04\uc744 \ub9ac\ud134 \ud574\uc57c \ud558\uace0, \uc774\uac83\uc774 \uadf8\ub7ec\ud55c \uacbd\uc6b0\ub77c\uba74, \uc5f0\uc0b0 \uc2dc\uadf8\ub108\ucc98\ub294 <CODE>delayFlight(numberOfMinutes : Minutes) : Date<\/CODE>\uac00 \ub420 \uac83\uc774\ub2e4. <\/P>\n<P><SUP>2<\/SUP>BankAccount \ud074\ub798\uc2a4\uac00 OverdrawnAccountsReport \ud074\ub798\uc2a4\uc5d0 \ub300\ud574 \ubaa8\ub974\uace0 \uc788\ub2e4\ub294 \uc0ac\uc2e4\uc774 \uc774\uc0c1\ud560 \uac83\uc774\ub2e4. \uc774 \ubaa8\ub378\ub9c1\uc740 report \ud074\ub798\uc2a4\uac00 \uc790\uc2e0\ub4e4\uc774 \ub9ac\ud3ec\ud305 \ud558\ub294 \ube44\uc988\ub2c8\uc2a4 \ud074\ub798\uc2a4\ub9cc \uc54c \uc218 \uc788\ub3c4\ub85d \ud558\uc9c0\ub9cc, \ube44\uc988\ub2c8\uc2a4 \ud074\ub798\uc2a4\ub294 \uc790\uc2e0\ub4e4\uc774 \ub9ac\ud3ec\ud305 \ub418\uace0 \uc788\ub2e4\ub294 \uac83\uc744 \ubaa8\ub978\ub2e4. \uc774\ub85c\uc368, \uac1d\uccb4\ub4e4\uc758 \ucee4\ud50c\ub9c1\uc774 \ub290\uc2a8\ud574\uc9c0\uace0, \uc2dc\uc2a4\ud15c\uc740 \ubcc0\ud654\uc5d0 \ub300\ud55c \uc801\uc751\uc131\uc774 \ube68\ub77c\uc9c4\ub2e4. <\/P>\n<P><SUP>3<\/SUP> \ud328\ud0a4\uc9c0\ub294 \ubaa8\ub378\uc758 \ud074\ub798\uc2a4\ub4e4\uc744 \uad6c\uc131\ud558\ub294\ub370 \ud0c1\uc6d4\ud558\uc9c0\ub9cc, \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc740 \ubaa8\ub378\ub9c1 \ub418\ub294 \uc2dc\uc2a4\ud15c\uc5d0 \ub300\ud55c \uc815\ubcf4\uc640 \uc27d\uac8c \ud1b5\uc2e0\ud55c\ub2e4. \ud328\ud0a4\uc9c0\uc5d0 \ub9ce\uc740 \ud074\ub798\uc2a4\uac00 \uc788\ub294 \uacbd\uc6b0, \ud558\ub098\uc758 \ud070 \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc744 \ub9cc\ub4dc\ub294 \ub300\uc2e0 \uc8fc\uc81c \ubcc4 \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc744 \uc5ec\ub7ec \uac1c \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \ub354 \ub0ab\ub2e4. <\/P>\n<P><SUP>4<\/SUP>\ud544\uc790\uac00 \"all those members\"\ub77c\uace0 \ub9d0\ud560 \ub54c, \ud604\uc7ac \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc774 \ubcf4\uc5ec\uc904 \ud074\ub798\uc2a4\ub9cc \uc758\ubbf8\ud55c\ub2e4\ub294 \uac83\uc744 \uc54c\uc544\uc57c \ud55c\ub2e4. \ucf58\ud150\ud2b8\uac00 \uc788\ub294 \ud328\ud0a4\uc9c0\ub97c \ubcf4\uc5ec\uc8fc\ub294 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc740 \ubaa8\ub4e0 \ucf58\ud150\ud2b8\ub97c \ubcf4\uc5ec\uc904 \ud544\uc694\uac00 \uc5c6\ub2e4. \uc77c\uc815 \uae30\uc900\uc5d0 \ub530\ub77c \ud3ec\ud568\ub41c \uc5d8\ub9ac\uba3c\ud2b8\uc758 \uc77c\ubd80\ub9cc \ubcf4\uc5ec\uc904 \uc218 \uc788\ub2e4. <\/P>\n<P><SUP>5<\/SUP> \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc744 \uadf8\ub9b4 \ub54c, \uc9c1\uc0ac\uac01\ud615\uc758 \ub9e8 \uc717\uce78\uc5d0 \u00abclass\u00bb\ub77c\uace0 \ud45c\uae30\ud574\uc57c \ud55c\ub2e4. \ud558\uc9c0\ub9cc UML \uc2a4\ud329\uc5d0\uc11c\ub294 \"class\" \ub77c\ub294 \ud14d\uc2a4\ud2b8\ub97c \ud45c\uae30\ud558\ub294 \uac83\uc740 \uc120\ud0dd \uc0ac\ud56d\uc774\uace0, \u00abclass\u00bb\uac00 \ub514\uc2a4\ud50c\ub808\uc774 \ub418\uc9c0 \uc54a\ub294 \uac83\uc73c\ub85c \uac04\uc8fc\ub41c\ub2e4.&nbsp; <\/P><\/TD><\/TR><\/TBODY><\/TABLE>\n","protected":false},"excerpt":{"rendered":"<p>Donald Bell, IT Specialist, IBM\u3000 2007 \ub144 5 \uc6d4 22 \uc77c The Rational Edge \ubc1c\ucdcc: UML 2\uc758 \uc0c8\ub85c\uc6b4 \uad6c\uc870 \ub2e4\uc774\uc5b4\uadf8\ub7a8 \uc720\ud615 \uc911 \uac00\uc7a5 \uc911\uc694\ud55c \ud074\ub798\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc740 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uac1c\ubc1c \uc0ac\uc774\ud074 \ub3d9\uc548 \ubd84\uc11d\uac00, \ube44\uc988\ub2c8\uc2a4 \ubaa8\ub378\ub7ec, \uac1c\ubc1c\uc790, \ud14c\uc2a4\ud130\uc5d0 \uc758\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774 \uae00\uc740 Unified Modeling Language(UML)\uc5d0\uc11c \uc0ac\uc6a9\ub418\uc5c8\ub358 \ud544\uc218 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0 \uad00\ud55c \uae30\uc220\uc790\ub8cc \uc2dc\ub9ac\uc988\uc785\ub2c8\ub2e4. \uc2dc\ud000\uc2a4 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc5d0 \ub300\ud574 \uc124\uba85\ud588\ub358 \uc774\uc804 \uae30\uc220\uc790\ub8cc\uc5d0\uc11c\ub294, UML [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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