\uac1d\uccb4\uc9c0\ud5a5\uc5d0\uc11c Class \uc758 \uc874\uc7ac\ub294 \ub9e4\uc6b0 \uc911\uc694\ud558\ub2e4. inheritance(\uc0c1\uc18d\uc131), encapsulate(\ucea1\uc290\ud654), polymorphism(\ub2e4\ud615\uc131) \uc758 \uc138\uac00\uc9c0\ub85c \ub300\ud45c\ub418\ub294 \uac1d\uccb4\uc9c0\ud5a5\uc758 \ud2b9\uc131\uc740 \ub300\ubd80\ubd84\uc758 \uac1d\uccb4\uc9c0\ud5a5 \uc5b8\uc5b4\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 Class \uc5d0 \ud3ec\ud568\ub418\uc5b4 \uc788\ub2e4. \uc0ac\uc2e4 \uc0b4\ud3b4\ubcf4\uace0 \uc2f6\uc740\uac83\uc740 \ub108\ubb34\ub098 \uc798 \uc54c\ub824\uc9c4 \uc55e\uc758 3\uac00\uc9c0 \ud2b9\uc131\uc774 \uc544\ub2c8\ub77c Class \uc640 instance \uc758 \uad00\uacc4\uc5d0 \ub300\ud55c \uac83\uc774\ub2e4.<\/p>\n
\ub2f9\uc2e0\uc740 Class \ub97c \ubb34\uc5c7\uc774\ub77c\uace0 \uc0dd\uac01\ud558\ub294\uac00? \uc6b0\ub9ac\ub294 Class \ub97c \ubb34\uc5c7\uc774\ub77c\uace0 \uc815\uc758\ud560 \uc218 \uc788\uc744\uae4c? Prototype?(\ubb3c\ub860 \ud328\ud134\uc774\ub984\uc744 \ub9d0\ud558\ub294\uac83\uc740 \uc544\ub2c8\ub2e4). \ub610\ub294 \uc5b4\ub5a0\ud55c\uac83\uc758 \uc6d0\ud615(Orign) \uc774\ub77c\uace0 \uc0dd\uac01\ud560 \uc218\ub3c4 \uc788\uc744\uc9c0 \ubaa8\ub978\ub2e4. \ub610\ub294 \uacfc\uc790\ub4f1\uc744 \ucc0d\uc5b4\ub0b4\uae30 \uc704\ud55c \ud615\ud2c0\uc5d0 \uac00\uae4c\uc6b4 \ubb34\uc5b8\uac00\uc77c\uc9c0\ub3c4 \ubaa8\ub978\ub2e4.<\/p>\n
\uc57d\uac04 \ub2e4\ub978 \uc598\uae30\uac00 \ub418\uaca0\uc9c0\ub9cc \uc870\uae08 \uc606\uae38\ub85c \uc0c8\ubcf4\ub3c4\ub85d \ud558\uc790. \ucef5\uc744 \uacf5\uc0b0\ud488\uc73c\ub85c \ub9cc\ub4e4\uae30 \uc704\ud55c \uacfc\uc815\uc744 \uace0\ubbfc\ud574\ubcf4\uc790. \uc77c\ub2e8 \ucef5\uc758 \uc6d0\ud615\ubd80\ud130 \uba3c\uc800 \ub9cc\ub4e4\uc5b4\uc57c \ud560 \uac83\uc774\ub2e4. \uadf8\ub9ac\uace0 \uc2dc\ud589\ucc29\uc624\ub97c \uac70\uccd0 \ub300\ub7c9\uc0dd\uc0b0\uc774 \uac00\ub2a5\ud55c \ud615\ud0dc\ub85c \ub2e4\ub4ec\uc5b4\uc57c \uacf5\uc0b0\ud488\uc73c\ub85c\uc11c\ub294 \uc4f8\ub9cc\ud560 \uac83\uc774\ub2e4. \uc774\ub807\uac8c \ud558\ub098\uc758 \ucef5\uc774 \ub9cc\ub4e4\uc5b4\uc9c0\uac8c \ub418\uba74 \uc0dd\uc0b0\uc744 \uc704\ud55c \uc900\ube44\uacfc\uc815\uc73c\ub85c \ub4e4\uc5b4\uac00\uc57c \ud55c\ub2e4. \ub9cc\ub4e4\uc5b4\uc9c4 \uc2dc\ud5d8\uc791\uc744 \uc774\uc6a9\ud574\uc11c \ud615\ud2c0\uc744 \ub9cc\ub4e4\uac83\uc774\ub2e4. \uadf8\ub9ac\uace0 \ub9cc\ub4e4\uc5b4\uc9c4 \ud615\ud2c0\uc744 \uc774\uc6a9\ud574\uc11c \uc0dd\uc0b0\uc124\ube44\ub97c \ub9cc\ub4e4\uac83\uc774\ub2e4. \ub9cc\ub4e4\uc5b4\uc9c4 \uc124\ube44\ub97c \uc774\uc6a9\ud574\uc11c \uc0dd\uc0b0\uc744 \uc2dc\uc791\ud558\uba74 \ub41c\ub2e4. \ubb3c\ub860 \ud544\uc694\ud55c \uc218\ub7c9\ub9cc\ud07c \uc0dd\uc0b0\uc744 \ud574\uc57c \ub0ad\ube44\uac00 \uc5c6\uc744\uac83\uc774\ub2e4.<\/p>\n
\ub2e4\uc2dc \ubcf8\ub860\uc73c\ub85c \ub3cc\uc544\uc640\uc11c Computer Software \uc758 \ubc94\uc6a9\uc801 \ud2b9\uc9d5\uc744 \ub418\uc0c8\uaca8\ubcf4\ub3c4\ub85d \ud558\uc790(\ubb3c\ub860 \ud2b9\ubcc4\ud55c \uc870\uac74\ub4f1\uc740 \uadf8\ub2e4\uc9c0 \uace0\ubbfc\ud558\uc9c0 \uc54a\uae30\ub85c \ud55c\ub2e4). File(\ub610\ub294 software)\ub294 \uc77c\ubc18\uc801\uc778 \uacbd\uc6b0 \uc6d0\ub798\uc758 \uc704\uce58\uc5d0\uc11c \ub2e4\ub978\uc704\uce58(\uac19\uc740 \ubb3c\ub9ac\uc801 disk\ub0b4\uc758 \ub2e4\ub978\uc704\uce58\uc77c\uc218\ub3c4 \uc788\ub2e4)\ub85c \ubcf5\uc0ac(copy) \uc791\uc5c5\uc744 \uc9c4\ud589\ud558\ub294 \uacbd\uc6b0 \uc6d0\ubcf8\uc758 \ub0b4\ubd80 \ub610\ub294 \uc678\ubd80\uac00 \uc804\ud600 \uc190\uc0c1\ub418\uc9c0 \uc54a\ub294\ub2e4. \uc6d0\ubcf8\uacfc \uadf8\ub300\ub85c \uac19\uc740 \ub0b4\uc6a9\uc758(inode \ub610\ub294 \uc0dd\uc131\uc77c\ub4f1\uc740 \ud2c0\ub824\uc9c8 \uc218 \uc788\uaca0\uc9c0\ub9cc) \ubcf5\uc81c\ud488\uc774 \ub9cc\ub4e4\uc5b4 \uc9c0\ub294 \uac83\uc774\ub2e4. \uc774\ub807\uac8c \ub9cc\ub4e4\uc5b4\uc9c4 \ubcf5\uc81c\ud488\uc740 \uc644\uc804\ud788 \uc6d0\ubcf8\uacfc \ub3d9\uc77c\ud55c \ub3d9\uc791\uc744 \ud558\uac8c\ub41c\ub2e4. \uc774\ub7f0 \ubcf5\uc0ac\uc791\uc5c5\uc740 \uc800\uc7a5 \ubbf8\ub514\uc5b4 \ubfd0\ub9cc\uc774 \uc544\ub2c8\ub77c \ub85c\ub529\ub41c \ubb3c\ub9ac\uba54\ubaa8\ub9ac\uc5d0\uc11c\ub3c4 \ub3d9\uc77c\ud55c \uac1c\ub150\uc73c\ub85c \ub3d9\uc791\ud558\uac8c \ub41c\ub2e4.<\/p>\n
Class \ub294 \uc5b4\ub5a0\ud55c \uac1d\uccb4\ub97c \uc0dd\uc131\ud558\ub294 \ud615\ud2c0\uc758 \uc5ed\ud560\uc744 \ud55c\ub2e4. \uadf8 \uc790\uccb4\ub85c\ub3c4 \ud544\uc694\ud55c \uae30\ub2a5\uc744 \uac00\uc9c0\uace0 \uc0ac\uc6a9\ub420 \uc218\ub3c4 \uc788\uc9c0\ub9cc Class \uc640 \uaf2d \ub2ee\uc740 \uac1d\uccb4\ub97c \ub9cc\ub4dc\ub294\ub370\ub85c \uc0ac\uc6a9\ub420 \uc218 \uc788\ub2e4. \uc790\ub8e8\uae4c\uc9c0 \uc1e0\ub85c \ub9cc\ub4e4\uc5b4\uc9c4 \ud2bc\ud2bc\ud55c \ub9dd\uce58\uc815\ub3c4\uba74 \uc801\ub2f9\ud55c \ube44\uc720\uac00 \ub420\uae4c? \ub9dd\uce58\ub85c\uc11c\uc758 \uc6a9\ub3c4\ub3c4 \ucda9\ubd84\ud788 \uac00\uc9c0\uace0 \uc788\uc9c0\ub9cc \uadf8 \uc790\uccb4\ub85c \ub2e4\ub978 \ub9dd\uce58\ub97c \ub9cc\ub4e4\uc5b4\ub0b4\ub294 \uc6d0\ud615(prototype)\uc758 \uc5ed\ud560\ub3c4 \ud560 \uc218 \uc788\ub2e4. \ubb3c\ub860 Computer \uc758 \uc138\uacc4\ub294 \uc2e4\uc81c \uc138\uacc4\ubcf4\ub2e4\ub294 \uc880 \ub354 \ub17c\ub9ac\uc801\uc778 \uac1c\ub150\ud558\uc5d0\uc11c \ub3d9\uc791\ud558\uc9c0\ub9cc…<\/p>\n
\uc774\ub807\uac8c \uc6d0\ud615\uc774 \ub418\ub294 \uacbd\uc6b0\ub97c Class \ub77c\uace0 \ud558\uba70 \uc774\ub97c \uc774\uc6a9\ud574\uc11c \uc0dd\uc131\ub41c \uacb0\uacfc\ubb3c\uc758 \uc874\uc7ac\ub97c \uac1d\uccb4(Obejct) \ub610\ub294 \uc778\uc2a4\ud134\uc2a4(instance) \ub77c\uace0 \ud55c\ub2e4. \uc774\ub807\uac8c instance \ub97c \ucc0d\uc5b4\ub0b4\ub294 Class \ub294 \uadf8 \uc2a4\uc2a4\ub85c \ubb34\uc5b8\uac00\ub97c \uc0dd\uc131\ud558\ub294\uac83\uacfc \ube44\uc2b7\ud55c \ub3d9\uc791\uc744 \ud558\uac8c \ub41c\ub2e4. \uc774\ub7f0 \uc77c\ub828\uc758 \uacfc\uc815\uc744 \uc9da\uc5b4\ubcf4\uba74 Class \ub97c \uacf5\uc7a5(Factory)\ub77c\uace0 \ubcfc \uc218\ub3c4 \uc788\uc744 \uac83\uc774\ub2e4. \uadf8\ub7fc \uc774\ub7f0 \uacfc\uc815\ub4e4\uc744 \uc704\ud574 \ub9cc\ub4e4\uc5b4\uc9c4 Class \ub4e4\uc744 \ub72f\uc5b4\uc11c \ub2e4\uc2dc \uc190\ubcf4\uace0 \uac1c\ub7c9\ud558\ub294 \uc791\uc5c5\uc740 \uc5b4\ub5bb\uac8c \ubd88\ub7ec\uc57c \ud560\uae4c? \uadf8\ub807\ub2e4. \ub2f5\uc740 \uba85\ub8cc\ud558\ub2e4. \ubc14\ub85c “refactoring” \uc774\ub2e4. \ud544\uc790\ub294 \uc774\ub7ec\ud55c \ub0b4\uc6a9\ub4e4\uc774 refactoring \uc744 \uc124\uba85\ud558\ub294 \ub300\uc5d0 \ub300\ud55c \uac00\uc7a5 \uc815\ud655\ud55c \ub2f5\uc774\ub77c\uace0 \ud655\uc2e0\ud55c\ub2e4.<\/p>\n
instance \ub97c \ucde8\uae09\ud558\ub294 \ubc29\ubc95\uc740 \uac01 \ud658\uacbd\uc5d0 \ub530\ub77c \ub2e4\ub974\ub2e4. compiler \ub294 class \ub97c \ud1b5\ud574\uc11c instance \ub97c \uc0dd\uc131\ud560\ub54c real memory(protected) \uc5d0 \uc0dd\uc131\ub418\ub294 \ud3ec\uc778\ud130(pointer) \ub85c\uc11c \uc774\uac83\uc744 \ucde8\uae09\ud55c\ub2e4. \ubb3c\ub860 compiler \ub294 interperter \uac00 \uc544\ub2c8\uae30 \ub54c\ubb38\uc5d0, \uc774\ub7ec\ud55c \ub3d9\uc791\ub4e4\uc740 binary \uac00 \uc2e4\ud589\ub418\ub294 \uc2dc\uc810(runtime) \uc5d0 \uc9c4\ud589\ub418\uac8c \ub41c\ub2e4.<\/p>\n
Virtual Machine \uc758 \ub300\ud45c\uaca9\uc778 smalltalk \uc5d0\uc11c\ub294 instance \uc758 \uc0dd\uc131\uc791\uc5c5\uc740 \uc880 \ub354 \ubcf5\uc7a1\ud55c \ub3d9\uc791\uc744 \uac00\uc9c0\uac8c \ub41c\ub2e4. \uadfc\ub798\uc5d0 \uac00\uc7a5 \uc720\uba85\ud55c Smalltalk \uad6c\ud604\uccb4\uc778 Pharo(CogVM) \uc744 \uc608\ub85c \ub4e4\uc5b4\ubcf4\uc790. CogVM \uc744 \uc2e4\ud589\ud558\uba74 \uc8fc\uc5b4\uc9c4 \uc778\uc790(argument)\uc5d0 \ub530\ub77c Smalltalk image \ub97c \ub85c\ub529\ud55c\ub2e4. \uc774\ub54c Smalltalk image \uc548\uc758 \ubaa8\ub4e0 class \ub97c \ub85c\ub529\ud574\uc11c unique instance \ub85c \uba54\ubaa8\ub9ac\uc5d0 \uc0dd\uc131\ud55c\ub2e4(\ubb3c\ub860 image \uc758 \ub3d9\uc791\uc5d0\ub294 \uc774\ub7f0 \ubd80\ubd84\uc774 snapshot \ud615\ud0dc\ub85c \ud3ec\ud568\ub418\uc5b4 \uc788\uae30\ub3c4 \ud558\uc9c0\ub9cc.. \uc774\ub7f0 \ubd80\ubd84\uc740 \ub17c\uc678\ub85c \ud55c\ub2e4). smalltalk \uc758 Class Browser(nautilus)\uc5d0\uc11c \ubcf4\uc774\ub294 \ubaa8\ub4e0 class \ub294 \uc0ac\uc2e4 unique instance \ub97c \uc774\ubbf8 \uac00\uc9c0\uace0 \uc788\ub2e4\uace0 \ubcf4\ub294\uac83\uc774 \ub9de\ub2e4. class side \uc758 \uba54\uc11c\ub4dc(Method)\ub97c \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0\ub77c\uba74, \ub0b4\ubd80\uc5d0\uc11c\ub294 Class \uc5d0 \ub300\uc751\ub418\ub294 unique instance \ub97c \ud1b5\ud574\uc11c \ud574\ub2f9 \uba54\uc11c\ub4dc\ub97c \uc2e4\ud589\ud558\uac8c \ub41c\ub2e4. \ubb3c\ub860 Class \ub97c \uc774\uc6a9\ud574\uc11c instance \ub97c \uc0dd\uc131\ud558\uac8c \ub418\uba74 unique instance \uc640\ub294 \uc804\ud600\ub2e4\ub978 \uc0c8\ub85c\uc6b4 instance \ub97c \uc0dd\uc131\ud558\uac8c \ub418\ub294\ub370, \uc774\ub54c \ubc14\ud0d5\uc774 \ub418\ub294 class \uc758 \uc0dd\uc131\uc790(creator)\ub97c \uc774\uc6a9\ud558\uae30 \uc704\ud574\uc11c\ub294 Class \uc5d0 \ub300\uc751\ub418\ub294 unique instance \uc758 \uc0dd\uc131\uc790 \uba54\uc11c\ub4dc\ub97c \uc774\uc6a9\ud558\uac8c \ub41c\ub2e4. \ub300\ubd80\ubd84\uc758 Smalltalk Systam \uc740 \uc7ac\ub150\uc801\uc73c\ub85c \ube44\uc2b7\ud55c \ub3d9\uc791\uc744 \ud558\ub3c4\ub85d \uad6c\uc131\ub418\uc5b4 \uc788\ub2e4.<\/p>\n
\uc774\ubc88 \ub0b4\uc6a9\uc740 \uc870\uae08 \uae34 \ub0b4\uc6a9\uc774 \ub418\uc5c8\uc9c0\ub9cc, \uc694\uc810\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n
* Class == Factory
\n* sintance == Class \uc758 \uc804\uc0ac\uccb4
\n* class \ub85c \ub9cc\ub4e4\uc5b4\uc9c4 library \ub97c \uc815\ub9ac\ud558\ub294 \uc791\uc5c5 == refactoring
\n* Virtual Machine \ud658\uacbd\uacfc Compiler \uc5b8\uc5b4\uc758 instance \ucde8\uae09\ubc29\ubc95\uc5d0\ub294 \ucc28\uc774\uac00 \uc788\ub2e4.<\/p>\n
\uc774\ub807\ub4ef class \uc640 instance \uc758 \uac1c\ub150\uc744 \uc880 \ub354 \uc219\uc9c0\ud558\uace0 \ub098\uba74 \uc774\ud6c4 \uac1d\uccb4\uc9c0\ud5a5\uc744 \uc774\ud574\ud558\ub294\ub370 \uc880 \ub354 \ub3c4\uc6c0\uc774 \ub420 \uac83\uc774\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"
\uac1d\uccb4\uc9c0\ud5a5\uc5d0\uc11c Class \uc758 \uc874\uc7ac\ub294 \ub9e4\uc6b0 \uc911\uc694\ud558\ub2e4. inheritance(\uc0c1\uc18d\uc131), encapsulate(\ucea1\uc290\ud654), polymorphism(\ub2e4\ud615\uc131) \uc758 \uc138\uac00\uc9c0\ub85c \ub300\ud45c\ub418\ub294 \uac1d\uccb4\uc9c0\ud5a5\uc758 \ud2b9\uc131\uc740 \ub300\ubd80\ubd84\uc758 \uac1d\uccb4\uc9c0\ud5a5 \uc5b8\uc5b4\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 Class \uc5d0 \ud3ec\ud568\ub418\uc5b4 \uc788\ub2e4. \uc0ac\uc2e4 \uc0b4\ud3b4\ubcf4\uace0 \uc2f6\uc740\uac83\uc740 \ub108\ubb34\ub098 \uc798 \uc54c\ub824\uc9c4 \uc55e\uc758 3\uac00\uc9c0 \ud2b9\uc131\uc774 \uc544\ub2c8\ub77c Class \uc640 instance \uc758 \uad00\uacc4\uc5d0 \ub300\ud55c \uac83\uc774\ub2e4. \ub2f9\uc2e0\uc740 Class \ub97c \ubb34\uc5c7\uc774\ub77c\uace0 \uc0dd\uac01\ud558\ub294\uac00? \uc6b0\ub9ac\ub294 Class \ub97c \ubb34\uc5c7\uc774\ub77c\uace0 \uc815\uc758\ud560 \uc218 \uc788\uc744\uae4c? Prototype?(\ubb3c\ub860 \ud328\ud134\uc774\ub984\uc744 \ub9d0\ud558\ub294\uac83\uc740 \uc544\ub2c8\ub2e4). […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[74],"tags":[],"_links":{"self":[{"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/283"}],"collection":[{"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=283"}],"version-history":[{"count":1,"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/283\/revisions"}],"predecessor-version":[{"id":284,"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/283\/revisions\/284"}],"wp:attachment":[{"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=283"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=283"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}