\uc790\ubc14 \uc778\ud130\ud504\ub9ac\ud130 \ub514\uc790\uc778 \ud328\ud134\uc740 \uac1d\uccb4 \uc9c0\ud5a5 \ud504\ub85c\uadf8\ub798\ubc0d\uc5d0\uc11c \ub9ce\uc774 \uc0ac\uc6a9\ub418\ub294 \ub514\uc790\uc778 \ud328\ud134 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \uc774 \ud328\ud134\uc740 \uc5b8\uc5b4 \ud574\uc11d\uae30\ub97c \uad6c\ud604\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc790\ubc14 \uc778\ud130\ud504\ub9ac\ud130 \ub514\uc790\uc778 \ud328\ud134\uc740 \uc5b8\uc5b4 \ud574\uc11d\uae30\ub97c \uad6c\ud604\ud558\ub294 \ub370 \ud544\uc694\ud55c \uc5ec\ub7ec \uac00\uc9c0 \ud074\ub798\uc2a4\uc640 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774 \ud328\ud134\uc740 \uc5b8\uc5b4 \ud574\uc11d\uae30\uc758 \uae30\ub2a5\uc744 \uac1c\ubc1c\uc790\uac00 \uc6d0\ud558\ub294 \ub300\ub85c \uad6c\ud604\ud560 \uc218 \uc788\ub3c4\ub85d \ub3c4\uc640\uc90d\ub2c8\ub2e4.<\/p>\n
\uc790\ubc14 \uc778\ud130\ud504\ub9ac\ud130 \ub514\uc790\uc778 \ud328\ud134\uc740 \uac01 \uc694\uc18c \uac04\uc758 \uc0c1\ud638 \uc791\uc6a9\uc5d0 \ub300\ud55c \ucc45\uc784\uc744 \ubd84\uc0b0\uc2dc\ud0a4\ub294 \ub370 \uc911\uc810\uc744 \ub461\ub2c8\ub2e4. \uc774 \ud328\ud134\uc740 \ucef4\ud30c\uc77c\ub7ec\uc640 \uac19\uc740 \ubcf5\uc7a1\ud55c \uc5b8\uc5b4 \ucc98\ub9ac \uc2dc\uc2a4\ud15c\uc744 \uac1c\ubc1c\ud560 \ub54c \ub9e4\uc6b0 \uc720\uc6a9\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc2dc\uc2a4\ud15c\uc740 \ud504\ub85c\uadf8\ub7a8 \ucf54\ub4dc\ub97c \ubd84\uc11d\ud558\uace0 \uc2e4\ud589\ud558\uae30 \uc704\ud574 \ub2e4\uc591\ud55c \ud074\ub798\uc2a4\uc640 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n
\uc774 \ub514\uc790\uc778 \ud328\ud134\uc740 \uc778\ud130\ud504\ub9ac\ud130 \ud328\ud134\uc774\ub77c\ub294 \ud328\ud134 \uadf8\ub8f9\uc5d0 \uc18d\ud569\ub2c8\ub2e4. \uc774 \ud328\ud134 \uadf8\ub8f9\uc740 \uc5b8\uc5b4 \ucc98\ub9ac \uc2dc\uc2a4\ud15c\uc744 \uad6c\ud604\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 \uc5ec\ub7ec \uac00\uc9c0 \ub514\uc790\uc778 \ud328\ud134\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4. \uc778\ud130\ud504\ub9ac\ud130 \ud328\ud134\uc740 \ud2b9\ud788 \uc5b8\uc5b4 \ud574\uc11d\uae30\ub97c \uad6c\ud604\ud558\ub294 \ub370 \ub9ce\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n
\uc790\ubc14 \uc778\ud130\ud504\ub9ac\ud130 \ub514\uc790\uc778 \ud328\ud134\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc5b8\uc5b4 \ud574\uc11d\uae30\ub97c \uad6c\ud604\ud558\ub294 \ubc29\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n
\uc790\ubc14 \uc778\ud130\ud504\ub9ac\ud130 \ub514\uc790\uc778 \ud328\ud134\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc5b8\uc5b4 \ud574\uc11d\uae30\ub97c \uad6c\ud604\ud558\ub294 \uc608\uc81c \ucf54\ub4dc\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n
public interface Expression {\n int interpret();\n}\n\npublic class Number implements Expression {\n private int number;\n public Number(int number) { this.number = number; }\n public int interpret() { return number; }\n}\n\npublic class Plus implements Expression {\n private Expression leftOperand;\n private Expression rightOperand;\n public Plus(Expression left, Expression right) {\n leftOperand = left;\n rightOperand = right;\n }\n public int interpret() { return leftOperand.interpret() + rightOperand.interpret(); }\n}\n\npublic class Minus implements Expression {\n private Expression leftOperand;\n private Expression rightOperand;\n public Minus(Expression left, Expression right) {\n leftOperand = left;\n rightOperand = right;\n }\n public int interpret() { return leftOperand.interpret() - rightOperand.interpret(); }\n}\n\npublic class Interpreter {\n public static void main(String[] args) {\n Expression expression = new Plus(new Number(20),new Minus(new Number(15),new Number(10)));\n System.out.println(expression.interpret());\n }\n}<\/code><\/pre>\n\uc704 \uc608\uc81c \ucf54\ub4dc\ub294 \uac04\ub2e8\ud55c \uc218\uc2dd\uc744 \ud574\uc11d\ud558\ub294 \uc5b8\uc5b4 \ud574\uc11d\uae30\ub97c \uad6c\ud604\ud55c \uac83\uc785\ub2c8\ub2e4. \uc774 \uc608\uc81c \ucf54\ub4dc\ub294 \uc790\ubc14 \uc778\ud130\ud504\ub9ac\ud130 \ub514\uc790\uc778 \ud328\ud134\uc744 \uc0ac\uc6a9\ud558\uc5ec \uad6c\ud604\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n
\uc790\ubc14 \uc778\ud130\ud504\ub9ac\ud130 \ub514\uc790\uc778 \ud328\ud134 \uc801\uc6a9 \uc0ac\ub840<\/h2>\n
\uc790\ubc14 \uc778\ud130\ud504\ub9ac\ud130 \ub514\uc790\uc778 \ud328\ud134\uc740 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \uc0ac\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc774 \ud328\ud134\uc740 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ucffc\ub9ac \uc5b8\uc5b4\ub97c \ucc98\ub9ac\ud558\ub294 \ub370 \uc0ac\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ucffc\ub9ac \uc5b8\uc5b4\ub294 \ubb38\ubc95 \uaddc\uce59\uc5d0 \ub530\ub77c \uc791\uc131\ub41c \ucffc\ub9ac\ub97c \uc2e4\ud589\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 \uc790\ubc14 \uc778\ud130\ud504\ub9ac\ud130 \ub514\uc790\uc778 \ud328\ud134\uc744 \uc0ac\uc6a9\ud558\uc5ec \ucffc\ub9ac\ub97c \ubd84\uc11d\ud558\uace0 \ud574\uc11d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\ub610\ud55c, \uc774 \ud328\ud134\uc740 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4 \ud574\uc11d\uae30\ub97c \uad6c\ud604\ud558\ub294 \ub370 \uc0ac\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\ub97c \uc2e4\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc790\ubc14 \uc5b8\uc5b4\ub294 \uc790\ubc14 \uc778\ud130\ud504\ub9ac\ud130\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc2e4\ud589\ub429\ub2c8\ub2e4.<\/p>\n
\uc790\ubc14 \uc778\ud130\ud504\ub9ac\ud130 \ub514\uc790\uc778 \ud328\ud134\uc740 \uac8c\uc784 \uac1c\ubc1c\uc5d0\uc11c\ub3c4 \uc0ac\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac8c\uc784\uc5d0\uc11c\ub294 \uc885\uc885 \uc2a4\ud06c\ub9bd\ud2b8 \uc5b8\uc5b4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uac8c\uc784 \ub85c\uc9c1\uc744 \uc791\uc131\ud569\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 \uc790\ubc14 \uc778\ud130\ud504\ub9ac\ud130 \ub514\uc790\uc778 \ud328\ud134\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc2a4\ud06c\ub9bd\ud2b8\ub97c \ubd84\uc11d\ud558\uace0 \ud574\uc11d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\uc5b8\uc5b4 \ud574\uc11d\uae30 \uad6c\ud604 \uc2dc \uace0\ub824\ud574\uc57c \ud560 \uc0ac\ud56d\ub4e4<\/h2>\n
\uc5b8\uc5b4 \ud574\uc11d\uae30\ub97c \uad6c\ud604\ud558\ub294 \ub370 \uc788\uc5b4\uc11c \uba87 \uac00\uc9c0 \uace0\ub824\ud574\uc57c \ud560 \uc0ac\ud56d\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\uccab\uc9f8, \ubb38\ubc95 \uaddc\uce59\uc744 \uc815\ud655\ud558\uac8c \uc774\ud574\ud558\uace0 \uad6c\ud604\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 BNF\ub098 EBNF\uc640 \uac19\uc740 \ubb38\ubc95 \uaddc\uce59\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubb38\ubc95 \uaddc\uce59\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud504\ub85c\uadf8\ub7a8 \ucf54\ub4dc\ub97c \ubd84\uc11d\ud558\uace0 \ud574\uc11d\ud558\ub294 \ud074\ub798\uc2a4\ub97c \uad6c\ud604\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n
\ub458\uc9f8, \uac01 \ud074\ub798\uc2a4\uac00 \uc5b4\ub5a4 \uc5ed\ud560\uc744 \uc218\ud589\ud558\ub294\uc9c0 \uc815\ud655\ud788 \uc774\ud574\ud574\uc57c \ud569\ub2c8\ub2e4. \uac01 \ud074\ub798\uc2a4\ub294 \ud2b9\uc815\ud55c \uc5ed\ud560\uc744 \uc218\ud589\ud558\uba70, \ub2e4\ub978 \ud074\ub798\uc2a4\uc640 \uc0c1\ud638 \uc791\uc6a9\ud558\uc5ec \ud504\ub85c\uadf8\ub7a8 \ucf54\ub4dc\ub97c \ubd84\uc11d\ud558\uace0 \uc2e4\ud589\ud569\ub2c8\ub2e4.<\/p>\n
\uc14b\uc9f8, \uc5b8\uc5b4 \ud574\uc11d\uae30\uc758 \uc131\ub2a5\uc5d0 \ub300\ud574 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \uc5b8\uc5b4 \ud574\uc11d\uae30\ub294 \uc218\ub9ce\uc740 \ucf54\ub4dc \ub77c\uc778\uc744 \ucc98\ub9ac\ud574\uc57c \ud558\ubbc0\ub85c, \uc131\ub2a5\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 \ucd5c\uc801\ud654 \uae30\uc220\uc744 \uc0ac\uc6a9\ud558\uac70\ub098, JIT \ucef4\ud30c\uc77c\ub7ec\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\ub137\uc9f8, \uc5b8\uc5b4 \ud574\uc11d\uae30\uc758 \uc548\uc804\uc131\ub3c4 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \uc5b8\uc5b4 \ud574\uc11d\uae30\ub294 \uc545\uc131 \ucf54\ub4dc\uac00 \ud3ec\ud568\ub420 \uc218 \uc788\uc73c\ubbc0\ub85c, \ubcf4\uc548\uc801\uc778 \uce21\uba74\ub3c4 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 \uc801\uc808\ud55c \ubcf4\uc548 \uae30\uc220\uc744 \uc0ac\uc6a9\ud558\uac70\ub098, \ucf54\ub4dc \uac80\uc99d \uae30\ub2a5\uc744 \ucd94\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\ub9c8\uc9c0\ub9c9\uc73c\ub85c, \uc5b8\uc5b4 \ud574\uc11d\uae30\ub294 \uc9c0\uc18d\uc801\uc73c\ub85c \uc720\uc9c0\ubcf4\uc218\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc0c8\ub85c\uc6b4 \uc5b8\uc5b4 \uae30\ub2a5\uc774\ub098 \ubc84\uadf8 \uc218\uc815 \ub4f1\uc774 \ud544\uc694\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c, \uc774\ub7ec\ud55c \uc694\uad6c\uc0ac\ud56d\uc744 \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \uc720\uc5f0\ud55c \ucf54\ub4dc \uad6c\uc870\ub97c \ub9cc\ub4e4\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n
\uacb0\ub860<\/h2>\n
\uc790\ubc14 \uc778\ud130\ud504\ub9ac\ud130 \ub514\uc790\uc778 \ud328\ud134\uc740 \uc5b8\uc5b4 \ud574\uc11d\uae30\ub97c \uad6c\ud604\ud558\ub294 \ub370 \ub9e4\uc6b0 \uc720\uc6a9\ud55c \ud328\ud134\uc785\ub2c8\ub2e4. \uc774 \ud328\ud134\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc5b8\uc5b4 \ud574\uc11d\uae30\ub97c \uad6c\ud604\ud558\uba74, \ubb38\ubc95 \uaddc\uce59\uc5d0 \ub530\ub77c \ud504\ub85c\uadf8\ub7a8 \ucf54\ub4dc\ub97c \ubd84\uc11d\ud558\uace0 \uc2e4\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc790\ubc14 \uc778\ud130\ud504\ub9ac\ud130 \ub514\uc790\uc778 \ud328\ud134\uc740 \uac01 \uc694\uc18c \uac04\uc758 \uc0c1\ud638 \uc791\uc6a9\uc5d0 \ub300\ud55c \ucc45\uc784\uc744 \ubd84\uc0b0\uc2dc\ud0a4\ub294 \ub370 \uc911\uc810\uc744 \ub461\ub2c8\ub2e4. \uc774 \ud328\ud134\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc5b8\uc5b4 \ucc98\ub9ac \uc2dc\uc2a4\ud15c\uc744 \uad6c\ud604\ud558\uba74, \ubcf4\ub2e4 \uc720\uc5f0\ud558\uace0 \ud655\uc7a5 \uac00\ub2a5\ud55c \ucf54\ub4dc\ub97c \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc5b8\uc5b4 \ud574\uc11d\uae30\ub97c \uad6c\ud604\ud558\ub294 \ub370 \uc788\uc5b4\uc11c\ub294 \ubb38\ubc95 \uaddc\uce59\uc744 \uc815\ud655\ud558\uac8c \uc774\ud574\ud558\uace0, \uac01 \ud074\ub798\uc2a4\uc758 \uc5ed\ud560\uc744 \uc774\ud574\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \ub610\ud55c, \uc131\ub2a5\uacfc \uc548\uc804\uc131 \uce21\uba74\ub3c4 \uace0\ub824\ud574\uc57c \ud558\uba70, \uc720\uc9c0\ubcf4\uc218 \uac00\ub2a5\ud55c \ucf54\ub4dc \uad6c\uc870\ub97c \ub9cc\ub4e4\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"
\uc790\ubc14 \uc778\ud130\ud504\ub9ac\ud130 \ub514\uc790\uc778 \ud328\ud134: \uc5b8\uc5b4 \ud574\uc11d\uae30\ub97c \uad6c\ud604\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574\uc11c \uc54c\uc544\ubcf4\uc790.<\/p>\n","protected":false},"author":1,"featured_media":33704,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1957],"tags":[2188,2322,3888,2584,3291,5925,3414],"class_list":["post-37224","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-development","tag-public","tag-right","tag-static","tag-system","tag-3291","tag-5925","tag-3414"],"acf":[],"_links":{"self":[{"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/posts\/37224","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/comments?post=37224"}],"version-history":[{"count":1,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/posts\/37224\/revisions"}],"predecessor-version":[{"id":37234,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/posts\/37224\/revisions\/37234"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/media\/33704"}],"wp:attachment":[{"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/media?parent=37224"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/categories?post=37224"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/tags?post=37224"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}