{"id":75082,"date":"2020-09-16T07:36:59","date_gmt":"2020-09-16T07:36:59","guid":{"rendered":"https:\/\/blog.jetbrains.com\/?post_type=idea&#038;p=75082"},"modified":"2020-09-16T08:37:13","modified_gmt":"2020-09-16T08:37:13","slug":"everyday-refactorings-in-intellij-idea","status":"publish","type":"idea","link":"https:\/\/blog.jetbrains.com\/ko\/idea\/2020\/09\/everyday-refactorings-in-intellij-idea\/","title":{"rendered":"IntelliJ IDEA\uc5d0\uc11c\uc758 \uc77c\uc0c1\uc801 \ub9ac\ud329\ud1a0\ub9c1"},"content":{"rendered":"<p>\ubc84\uadf8 \uc218\uc815, \uac00\ub3c5\uc131 \ud5a5\uc0c1, \uc0c8\ub85c\uc6b4 \uae30\ub2a5 \ucd94\uac00\uc640 \uac19\uc740 \uc5ec\ub7ec \uac00\uc9c0 \uc774\uc720\ub85c \uc791\uc5c5 \uc911\uc778 \ucf54\ub4dc\ub97c \ubcc0\uacbd\ud558\ub294 \uacbd\uc6b0\uac00 \uc885\uc885 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ube14\ub85c\uadf8\uc5d0\uc11c\ub294 \uc77c\uc0c1\uc801\uc778 \ub9ac\ud329\ud1a0\ub9c1\uc744 \ub2e4\ub8f9\ub2c8\ub2e4.<\/p>\n<\/p>\n<p><iframe loading=\"lazy\" title=\"IntelliJ IDEA. \uc77c\uc0c1\uc801 \ub9ac\ud329\ud1a0\ub9c1(2020)\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/rPq7fBo5JVs?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p><em>\uc774 \ube14\ub85c\uadf8 \uae00\uc5d0\uc11c\ub294 \ub3d9\uc601\uc0c1\uacfc \ub3d9\uc77c\ud55c \ub0b4\uc6a9\uc744 \ub2e4\ub8f9\ub2c8\ub2e4. \ube14\ub85c\uadf8 \uac8c\uc2dc\ubb3c\uc740 \ubcf4\ub294 \uac83\ubcf4\ub2e4\ub294 \uc77d\ub294 \uac83\uc744 \uc120\ud638\ud558\ub294 \ubd84\ub4e4\uc774 \ub0b4\uc6a9\uc744 \ube60\ub974\uac8c \ud6d1\uc5b4\ubcf4\uace0, \ub3c5\uc790\/\uc2dc\uccad\uc790\uc5d0\uac8c \ucf54\ub4dc \uc0d8\ud50c\uacfc \ucd94\uac00 \uc815\ubcf4\uc5d0 \ub300\ud55c \ub9c1\ud06c\ub97c \uc81c\uacf5\ud558\ub294 \uac04\ud3b8\ud55c \ubc29\ubc95\uc774\ub77c\uace0 \uc0dd\uac01\ud569\ub2c8\ub2e4.<\/em><\/p>\n<p>\uc774 \ube14\ub85c\uadf8\uc5d0 \uc0ac\uc6a9\ub41c \ucf54\ub4dc\ub294 <a href=\"https:\/\/github.com\/malagupta\/RefactoringDemo\" target=\"_blank\" rel=\"noopener\">\uc5ec\uae30\uc5d0\uc11c \ud655\uc778<\/a>\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc694\uc18c \uc774\ub984 \ubc14\uafb8\uae30<\/h2>\n<p>\ud074\ub798\uc2a4 \ud30c\uc77c\uc5d0\uc11c \uc9c1\uc811 \uc774\ub984\uc744 \ubcc0\uacbd\ud558\uc5ec \uc218\ub3d9\uc73c\ub85c \uc774\ub984\uc744 \ubc14\uafb8\ub294 \uac83\uc740 \uc548\uc804\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc5d0\ub514\ud130\uc5d0\uc11c <a href=\"https:\/\/github.com\/malagupta\/RefactoringDemo\/blob\/master\/out\/production\/RefactoringDemo\/com\/jetbrains\/Bug.class\" target=\"_blank\" rel=\"noopener\">Bug \ud074\ub798\uc2a4<\/a>\uc758 \uc774\ub984\uc744 ABug\ub85c \ubcc0\uacbd\ud558\uba74 \uc774 \ud074\ub798\uc2a4\ub97c \uc0ac\uc6a9\ud558\ub294 \ub2e4\ub978 \ubaa8\ub4e0 \ucf54\ub4dc\ub97c \uc5c5\ub370\uc774\ud2b8\ud558\uc9c0 \ubabb\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. IntelliJ IDEA 2020.2\ubd80\ud130\ub294 \uc5d0\ub514\ud130\uc5d0 &#8220;\uad00\ub828 \ubb38\uc81c&#8221; \uc624\ub958 \uba54\uc2dc\uc9c0\uac00 \ud45c\uc2dc\ub429\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/08\/rename_abug.png\" alt=\"Bug \ud074\ub798\uc2a4 \uc774\ub984\uc744 ABug\ub85c \ubc14\uafb8\uae30\"><\/p>\n<p><a href=\"https:\/\/www.jetbrains.com\/help\/idea\/rename-refactorings.html#inplace_rename\" target=\"_blank\" rel=\"noopener\">\uc81c\uc790\ub9ac\uc5d0\uc11c \uc801\uc6a9 \uac00\ub2a5\ud55c \uc0c8\ub85c\uc6b4 \uc774\ub984 \ubcc0\uacbd \ub9ac\ud329\ud1a0\ub9c1(in-place rename refactoring)<\/a>\uc774 \uc5ec\ubc31\uc5d0\uc11c \uac15\uc870 \ud45c\uc2dc\ub429\ub2c8\ub2e4. \uc5ec\ubc31\uc5d0\uc11c <strong>R<\/strong> \uc544\uc774\ucf58\uc744 \ud074\ub9ad\ud558\uba74 Bug\uc758 \ubaa8\ub4e0 \uc0ac\uc6a9 \uc704\uce58 \uc774\ub984\uc774 ABug\ub85c <a href=\"https:\/\/www.jetbrains.com\/help\/idea\/refactoring-source-code.html#refactoring_preview\" target=\"_blank\" rel=\"noopener\">\ubcc0\uacbd\ub418\ub294 \uac83\uc744 \ubbf8\ub9ac \ubcfc \uc218<\/a> \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/08\/rename_with_preview.png\" alt=\"\ubbf8\ub9ac\ubcf4\uae30\ub85c \ud074\ub798\uc2a4 \uc774\ub984 \ubc14\uafb8\uae30\"><\/p>\n<p>\ub610\ud55c IntelliJ IDEA\ub294 \uc720\uc0ac\ud55c \uc774\ub984\uc744 \uac00\uc9c4 \ubcc0\uc218\ub97c \ucc3e\uc544\uc11c \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc5c5\ub370\uc774\ud2b8\ud560 \ubcc0\uc218\ub97c \uc120\ud0dd\ud560 \uc218 \uc788\uac8c \ud569\ub2c8\ub2e4. <\/p>\n<p>\ub610\ub294, \uc5d0\ub514\ud130\uc5d0\uc11c \ud074\ub798\uc2a4 \uc774\ub984\uc744 \ubcc0\uacbd\ud560 \ub54c \ub2e8\ucd95\ud0a4 <strong>\u2325\u23ce<\/strong> \ub610\ub294 <strong>Alt<\/strong>+<strong>Enter<\/strong>\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc774 \ub2e8\uacc4\ub97c \ubc18\ubcf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ub610\ud55c macOS\uc5d0\uc11c <strong>\u21e7F6<\/strong> \ub610\ub294 Windows\/Linux\uc5d0\uc11c <strong>Shift<\/strong>+<strong>F6<\/strong>\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc774\ub984 \ubcc0\uacbd \ub9ac\ud329\ud1a0\ub9c1\uc744 \ud638\ucd9c\ud560 \uc218 \uc788\uc73c\uba70 IntelliJ IDEA\ub294 \ud074\ub798\uc2a4, \uba54\uc18c\ub4dc \ubc0f \ubcc0\uc218\uc5d0 \ub300\ud55c \ub300\uccb4 \uc774\ub984\uc744 \uc81c\uc548\ud569\ub2c8\ub2e4. \uc0ac\uc6a9\uc790\uac00 \uc0c8 \uc774\ub984\uc744 \uc120\ud0dd\ud558\uba74 IntelliJ IDEA\uac00 \uc548\uc804\ud558\uac8c \ub9ac\ud329\ud1a0\ub9c1\uc744 \uc644\ub8cc\ud569\ub2c8\ub2e4.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"\">public class Bug {\n    private long id;\n    private String description;\n\n    public Bug(long id, String description) {\n        this.id = id;\n        this.description = description;\n    }\n\n    public long getId() {\n        return id;\n    }\n\n    public String getDescription() {\n        return description;\n    }\n}<\/pre>\n<p>\uc608\ub97c \ub4e4\uc5b4, \ud544\ub4dc <code>description<\/code>\uc758 \uc774\ub984\uc744 <code>desc<\/code>\ub85c \ubcc0\uacbd\ud558\uba74 IntelliJ IDEA\ub294 \uc774 \ud544\ub4dc\uac00 getter \ubc0f setter \uba54\uc18c\ub4dc\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294\uc9c0 \uc5ec\ubd80\ub97c \uac10\uc9c0\ud558\uace0 \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc5c5\ub370\uc774\ud2b8\ud560 \uac83\uc778\uc9c0 \ubb3b\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uba54\uc18c\ub4dc \ub9e4\uac1c\ubcc0\uc218 \uc774\ub984\uc758 \uc0ac\uc6a9 \uc704\uce58\ub3c4 \uc5c5\ub370\uc774\ud2b8\ud569\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-55173 size-full\" style=\"border: 1px solid #AAAAAA;\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/08\/rename_variable.png\" alt=\"\ubcc0\uc218 \uc774\ub984 \ub9ac\ud329\ud1a0\ub9c1\" width=\"750\" height=\"300\" data-gif-src=\"https:\/\/resources.jetbrains.com\/storage\/products\/blog\/wp-content\/uploads\/Java\/rename_variable.gif\"><\/p>\n<p><code>getItems<\/code> \uba54\uc18c\ub4dc\ub97c \uc815\uc758\ud558\ub294 <code>View<\/code>\ub77c\ub294 \uc778\ud130\ud398\uc774\uc2a4\ub85c \uc791\uc5c5\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. macOS\uc5d0\uc11c <strong>\u2318B<\/strong>\ub97c \uc0ac\uc6a9\ud558\uac70\ub098 Windows\/Linux\uc5d0\uc11c <strong>Ctrl<\/strong>+<strong>B<\/strong>\ub97c \uc0ac\uc6a9\ud558\uc5ec <a href=\"https:\/\/www.jetbrains.com\/help\/idea\/find-highlight-usages.html\" target=\"_blank\" rel=\"noopener\">\uc0ac\uc6a9 \uc704\uce58\ub97c \ud0d0\uc0c9<\/a>\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc778\ud130\ud398\uc774\uc2a4\ub294 <code>ViewImpl<\/code> \ud074\ub798\uc2a4\uc5d0 \uc758\ud574 \uad6c\ud604\ub429\ub2c8\ub2e4.<\/p>\n<p><code>View<\/code>\ub77c\ub294 \uc778\ud130\ud398\uc774\uc2a4\uc5d0\uc11c macOS\uc758 \uacbd\uc6b0 <strong>\u21e7F6<\/strong>, Windows\/Linux\uc758 \uacbd\uc6b0 <strong>Shift<\/strong>+<strong>F6<\/strong>\uc744 \uc0ac\uc6a9\ud558\uba74 <code>getItems<\/code> \uba54\uc18c\ub4dc\uc758 \uc774\ub984\uc774 <code>getItemsList<\/code>\ub85c \ubcc0\uacbd\ub429\ub2c8\ub2e4. <strong>Enter<\/strong> \ud0a4\ub97c \ub204\ub974\uba74 <code>ViewImpl<\/code> \ud074\ub798\uc2a4\uc5d0\uc11c \uad6c\ud604\uc774 \uc5c5\ub370\uc774\ud2b8\ub429\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-55173 size-full\" style=\"border: 1px solid #AAAAAA;\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/08\/rename_interface.png\" alt=\"\ubcc0\uc218 \uc774\ub984 \ub9ac\ud329\ud1a0\ub9c1\" width=\"750\" height=\"300\" data-gif-src=\"https:\/\/resources.jetbrains.com\/storage\/products\/blog\/wp-content\/uploads\/Java\/rename_interface.gif\"><\/p>\n<p>\ub610\ud55c macOS\uc758 \uacbd\uc6b0 <strong>\u21e7F6<\/strong> \ub610\ub294 Windows\/Linux\uc758 \uacbd\uc6b0 <strong>Shift<\/strong>+<strong>F6<\/strong>\ub97c \uc0ac\uc6a9\ud558\uba74, \ud504\ub85c\uc81d\ud2b8 \ucc3d\uc5d0 \uc561\uc138\uc2a4\ud558\uace0, \ud074\ub798\uc2a4, \ud328\ud0a4\uc9c0, \ud30c\uc77c \ub610\ub294 \ub514\ub809\ud1a0\ub9ac\uc758 <a href=\"https:\/\/www.jetbrains.com\/help\/idea\/rename-refactorings.html\" target=\"_blank\" rel=\"noopener\">\uc774\ub984\uc744 \ubcc0\uacbd<\/a>\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc2dc\uadf8\ub2c8\ucc98 \ubcc0\uacbd<\/h2>\n<p><a href=\"https:\/\/www.jetbrains.com\/help\/idea\/change-signature.html\" target=\"_blank\" rel=\"noopener\">\ud074\ub798\uc2a4 \ub610\ub294 \uba54\uc18c\ub4dc\uc758 \uc2dc\uadf8\ub2c8\ucc98<\/a>\ub97c \uc548\uc804\ud558\uac8c \ubcc0\uacbd\ud558\ub294 \ubc29\ubc95\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. <code>BugReport<\/code>\uc758 <code>binaryStrings<\/code> \uba54\uc18c\ub4dc\ub294 \ud558\ub098\uc758 \ubb38\uc790\uc5f4 \uc778\uc218\ub97c \ud5c8\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"\">public boolean binaryStrings(String b) {\n    Stack&lt;Character&gt; s = new Stack&lt;&gt;();\n    for (char c : b.toCharArray())\n        if (s.empty() || !s.peek().equals(c))\n            s.push(c);\n        else\n            s.pop();\n    return s.empty();\n}<\/pre>\n<p>\uc608\ub97c \ub4e4\uc5b4, int \uc720\ud615\uc758 \uce74\uc6b4\ud130\uc640 \uac19\uc774 <code>binaryStrings<\/code> \uba54\uc18c\ub4dc\uc5d0 \ub9e4\uac1c\ubcc0\uc218\ub97c \ucd94\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\uc2dc \ub9d0\ud558\uc9c0\ub9cc \uc774\uac83\uc740 \uc81c\uc790\ub9ac\uc5d0\uc11c \uc801\uc6a9 \uac00\ub2a5\ud55c \ub9ac\ud329\ud1a0\ub9c1\uc774\uba70 \uc5ec\ubc31 \uc601\uc5ed\uc5d0\uc11c R \uc544\uc774\ucf58\uc73c\ub85c \uac15\uc870 \ud45c\uc2dc\ub429\ub2c8\ub2e4. \uc5ec\ubc31\uc5d0 \uc788\ub294 \uc544\uc774\ucf58\uc744 \ud074\ub9ad\ud558\uace0 \uba54\uc18c\ub4dc \uc2dc\uadf8\ub2c8\ucc98\ub97c \uc5c5\ub370\uc774\ud2b8\ud558\uc5ec \uba54\uc18c\ub4dc \ud638\ucd9c\uc790\uac00 \ub514\ud3f4\ud2b8\uac12\uc744 \uc0ac\uc6a9\ud558\ub3c4\ub85d \ub9e4\uac1c\ubcc0\uc218\uc5d0 \uae30\ubcf8\uac12\uc744 \ucd94\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-55173 size-full\" style=\"border: 1px solid #AAAAAA;\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/08\/change_method_signature.png\" alt=\"\ubcc0\uc218 \uc774\ub984 \ub9ac\ud329\ud1a0\ub9c1\" width=\"750\" height=\"300\" data-gif-src=\"https:\/\/resources.jetbrains.com\/storage\/products\/blog\/wp-content\/uploads\/Java\/change_method_signature.gif\"><\/p>\n<p>\ub610\ud55c macOS\uc5d0\uc11c <strong>\u2325\u23ce<\/strong>, \ub610\ub294 Windows\/Linux\uc5d0\uc11c <strong>Alt<\/strong>+<strong>Enter<\/strong>\ub97c \uc0ac\uc6a9\ud558\uc5ec \uba54\uc18c\ub4dc \uc2dc\uadf8\ub2c8\ucc98\ub97c \uc5c5\ub370\uc774\ud2b8\ud558\uace0 \ub514\ud3f4\ud2b8 \ub9e4\uac1c\ubcc0\uc218 \uac12\uc744 \ucd94\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ub610\ud55c macOS\uc5d0\uc11c <strong>\u2318F6<\/strong>, \ub610\ub294 Windows\/Linux\uc5d0\uc11c <strong>Ctrl<\/strong>+<strong>F6<\/strong>\uc744 \uc0ac\uc6a9\ud558\uc5ec <a href=\"https:\/\/www.jetbrains.com\/help\/idea\/change-signature.html\" target=\"_blank\" rel=\"noopener\">\uc2dc\uadf8\ub2c8\ucc98 \ubcc0\uacbd \ub300\ud654 \uc0c1\uc790<\/a>\ub97c \ud638\ucd9c\ud574\uc11c \uba54\uc18c\ub4dc \uc2dc\uadf8\ub2c8\ucc98\ub97c \ubcc0\uacbd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub514\ud3f4\ud2b8 \uac12\uc774 &#8220;true&#8221;\uc778 \ubd80\uc6b8 \ub9e4\uac1c\ubcc0\uc218 <code>\uc0c1\ud0dc<\/code>\ub97c \ucd94\uac00\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc774 \ub300\ud654 \uc0c1\uc790\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub9e4\uac1c\ubcc0\uc218\uc758 \uc21c\uc11c\ub97c \ubcc0\uacbd\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uc624\ubc84\ub85c\ub4dc\ub97c \ud1b5\ud574 \uc704\uc784\uc744 \uc120\ud0dd\ud560 \uc218 \uc788\ub294 \uc635\uc158\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \ub9ac\ud329\ud1a0\ub9c1\ud558\uba74 \uba54\uc18c\ub4dc\uac00 \uc624\ubc84\ub85c\ub4dc\ub429\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-55173 size-full\" style=\"border: 1px solid #AAAAAA;\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/08\/add_overload_bool.png\" alt=\"\ubcc0\uc218 \uc774\ub984 \ub9ac\ud329\ud1a0\ub9c1\" width=\"750\" height=\"300\" data-gif-src=\"https:\/\/resources.jetbrains.com\/storage\/products\/blog\/wp-content\/uploads\/Java\/add_overload_bool.gif\"><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"\">public class MyMap {\n    int count = 0;\n\n    public int getCount() {\n        return count;\n    }\n\n    public void setCount(int Count) {\n        this.count = count;\n    }\n\n    public static void main(String[] args) {\n        MyMap myMap = new MyMap();\n        System.out.println(myMap.getCount());\n    }\n}<\/pre>\n<p>\uc774 <code>MyMap<\/code> \ud074\ub798\uc2a4\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud074\ub798\uc2a4 \uc2dc\uadf8\ub2c8\ucc98 \ubcc0\uacbd\uc774 \uc5b4\ub5a4 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uc9c0 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. macOS\uc5d0\uc11c <strong>\u2318F6<\/strong>, \ub610\ub294 Windows\/Linux\uc5d0\uc11c <strong>Ctrl<\/strong>+<strong>F6<\/strong>\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud074\ub798\uc2a4 \uc2dc\uadf8\ub2c8\ucc98\ub97c \uc218\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc5ec\uae30\uc5d0 \ub450 \uac1c\uc758 \uc81c\ub124\ub9ad \ub9e4\uac1c\ubcc0\uc218\ub97c \ucd94\uac00\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ud558\ub098\ub294 \ub514\ud3f4\ud2b8 \uac12\uc774 <code>Integer<\/code>\uc778 <code>K<\/code>\uc774\uace0 \ub2e4\ub978 \ud558\ub098\ub294 \ub514\ud3f4\ud2b8 \uac12\uc774 <code>String<\/code>\uc778 <code>V<\/code>\uc785\ub2c8\ub2e4. \ud074\ub798\uc2a4\ub97c \ub9ac\ud329\ud1a0\ub9c1\ud558\uba74 <code>MyMap<\/code>\uc758 \uc0ac\uc6a9 \uc704\uce58\uac00 \ubcc0\uacbd\ub429\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-55173 size-full\" style=\"border: 1px solid #AAAAAA;\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/08\/change_signature.png\" alt=\"\ubcc0\uc218 \uc774\ub984 \ub9ac\ud329\ud1a0\ub9c1\" width=\"750\" height=\"300\" data-gif-src=\"https:\/\/resources.jetbrains.com\/storage\/products\/blog\/wp-content\/uploads\/Java\/change_signature.gif\"><\/p>\n<h2>\uba54\uc18c\ub4dc \ucd94\ucd9c<\/h2>\n<p><a href=\"https:\/\/www.jetbrains.com\/help\/idea\/extract-method.html\" target=\"_blank\" rel=\"noopener\">\uba54\uc18c\ub4dc \ucd94\ucd9c \ub9ac\ud329\ud1a0\ub9c1<\/a>\uc740 \uba54\uc18c\ub4dc\ub97c \ub354 \uc9e7\uace0 \uc77d\uae30 \uc27d\uac8c \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"\">public boolean binaryStrings(String b) {\n    Stack&lt;Character&gt; s = new Stack&lt;&gt;();\n    for (char c : b.toCharArray())\n        if (s.empty() || !s.peek().equals(c))\n            s.push(c);\n        else\n            s.pop();\n    return s.empty();\n}<\/pre>\n<p>\uadf8\ub8f9\ud654\ud560 \uc218 \uc788\ub294 <code>binaryStrings<\/code> \uba54\uc18c\ub4dc\uc5d0\uc11c \ucf54\ub4dc\ub97c \uc120\ud0dd\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. macOS\uc5d0\uc11c\ub294 <strong>\u2325\u2318M<\/strong>, Windows\/Linux\uc5d0\uc11c\ub294<strong>Ctrl<\/strong>+<strong>Alt<\/strong>+<strong>M<\/strong> \ub2e8\ucd95\ud0a4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc774 \ucf54\ub4dc\ub97c \ub2e4\ub978 \uba54\uc18c\ub4dc\ub85c \ucd94\ucd9c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc774 \ube14\ub85d\uc5d0\uc11c \uc0ac\uc6a9\ud558\ub294 \uc9c0\uc5ed \ubcc0\uc218 \ub610\ub294 \uba54\uc18c\ub4dc \ub9e4\uac1c\ubcc0\uc218\uac00 \uc5ec\uae30\uc5d0 \ub9e4\uac1c\ubcc0\uc218\ub85c \uc804\ub2ec\ub429\ub2c8\ub2e4. \uba54\uc18c\ub4dc \uc774\ub984(\uc608: manipulateStack)\uc744 \uc785\ub825\ud558\uba74 \ucd94\ucd9c\ud55c \ucf54\ub4dc \ube14\ub85d\uc774 \uba54\uc18c\ub4dc \ud638\ucd9c\ub85c \ub300\uccb4\ub429\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-55173 size-full\" style=\"border: 1px solid #AAAAAA;\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/08\/extract_method.png\" alt=\"\ubcc0\uc218 \uc774\ub984 \ub9ac\ud329\ud1a0\ub9c1\" width=\"750\" height=\"300\" data-gif-src=\"https:\/\/resources.jetbrains.com\/storage\/products\/blog\/wp-content\/uploads\/Java\/extract_method.gif\"><\/p>\n<p>\ub610\ud55c \ucf54\ub4dc\ub97c \uc120\ud0dd\ud55c \ub2e4\uc74c, macOS\uc5d0\uc11c\ub294 <strong>\u2325\u23ce<\/strong>, Windows\/Linux\uc5d0\uc11c\ub294 <strong>Alt<\/strong>+<strong>Enter<\/strong>\ub97c \uc0ac\uc6a9\ud558\uc5ec \uba54\uc18c\ub4dc \ucd94\ucd9c\uc744 \uc120\ud0dd\ud558\uba74 \uba54\uc18c\ub4dc\ub97c \ucd94\ucd9c\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uba54\uc18c\ub4dc \uc778\ub77c\uc778\ud654<\/h2>\n<p><a href=\"https:\/\/www.jetbrains.com\/help\/idea\/inline-method.html\" target=\"_blank\" rel=\"noopener\">\uba54\uc18c\ub4dc \uc778\ub77c\uc778\ud654 \ub9ac\ud329\ud1a0\ub9c1<\/a>\uc740 \uba54\uc18c\ub4dc \ucd94\ucd9c \ub9ac\ud329\ud1a0\ub9c1\uc758 \ubc18\ub300\uc785\ub2c8\ub2e4. macOS\uc5d0\uc11c\ub294 \ub2e8\ucd95\ud0a4 <strong>\u2325\u2318N<\/strong>, Windows\/Linux\uc5d0\uc11c\ub294 <strong>Ctrl<\/strong>+<strong>Alt<\/strong>+<strong>N<\/strong>\uc744 \uc0ac\uc6a9\ud558\uc5ec \ubc29\uae08 \uc0dd\uc131\ud55c <code>manipulateStack<\/code> \uba54\uc18c\ub4dc\ub97c \uc778\ub77c\uc778\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uba54\uc18c\ub4dc \ub0b4\uc6a9\uc744 \uc778\ub77c\uc778\ud654\ud558\uace0 \uba54\uc18c\ub4dc\ub97c \uc0ad\uc81c\ud558\uac70\ub098 \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ubc88 \uc608\uc81c\uc5d0\uc11c\ub294 \uba54\uc18c\ub4dc\ub97c \uc0ad\uc81c\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-55173 size-full\" style=\"border: 1px solid #AAAAAA;\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/08\/inline_method.png\" alt=\"\ubcc0\uc218 \uc774\ub984 \ub9ac\ud329\ud1a0\ub9c1\" width=\"750\" height=\"300\" data-gif-src=\"https:\/\/resources.jetbrains.com\/storage\/products\/blog\/wp-content\/uploads\/Java\/inline_method.gif\"><\/p>\n<p>\uadf8\ub807\ub2e4\uba74 \uba54\uc18c\ub4dc\ub97c \uc778\ub77c\uc778\ud654\ud574\uc57c \ud558\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc77c\uae4c\uc694? \uc608\ub97c \ub4e4\uc5b4, \ubd88\ud544\uc694\ud55c \ub9ac\ub514\ub809\uc158\uc744 \uc81c\uac70\ud558\ub294 \ub370 \uc0ac\uc6a9\ud558\uac70\ub098 \uc798\ubabb \ub9ac\ud329\ud1a0\ub9c1\ub41c \uba54\uc18c\ub4dc\ub97c \uc778\ub77c\uc778\ud654\ud558\uace0 \ub2e4\uc2dc \ucd94\ucd9c\ud574\uc57c \ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc0c1\uc218 \uc0bd\uc785<\/h2>\n<p>\ucf54\ub4dc\ubca0\uc774\uc2a4\uc5d0\uc11c \ub9ac\ud130\ub7f4 \uac12\ubcf4\ub2e4 \uc0c1\uc218\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \ud56d\uc0c1 \uad8c\uc7a5\ub418\ubbc0\ub85c \ucf54\ub4dc\ub97c \ub9ac\ud329\ud1a0\ub9c1\ud558\uc5ec <a href=\"https:\/\/www.jetbrains.com\/help\/idea\/extract-constant.html\" target=\"_blank\" rel=\"noopener\">\uc0c1\uc218\ub97c \uc0bd\uc785<\/a>\ud558\ub294 \ubc29\ubc95\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"\">public static boolean beautifulBinaryStrings(String s) {\n    while (!s.equals(s = s.replaceAll(\"AA|BB\", \"\"))) {\n        System.out.println(s);\n    }\n    return s.isEmpty();\n}<\/pre>\n<p>\uc5ec\uae30\uc11c <code>beautifulBinaryStrings<\/code> \uba54\uc18c\ub4dc\ub294 \ubb38\uc790\uc5f4 \ub9ac\ud130\ub7f4 \uac12\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. macOS\uc5d0\uc11c\ub294 \ub2e8\ucd95\ud0a4 <strong>\u2325\u2318C<\/strong>, Windows\/Linux\uc5d0\uc11c\ub294 <strong>Ctrl<\/strong>+<strong>Alt<\/strong>+<strong>C<\/strong>\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc774 \uac12\uc744 \uc0c1\uc218\ub85c \ucd94\ucd9c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>IntelliJ IDEA\ub294 \ub9ac\ud130\ub7f4 \uac12\uc744 \uae30\ubc18\uc73c\ub85c \uc0c1\uc218 \uc774\ub984\uc744 \uc81c\uc548\ud569\ub2c8\ub2e4. \uccab \ubc88\uc9f8 \uad8c\uc7a5 \uc0ac\ud56d\uc744 \uc120\ud0dd\ud558\uaca0\uc2b5\ub2c8\ub2e4. \ud544\uc694\ud55c \uacbd\uc6b0 \uc774 \uc0c1\uc218\ub97c \ub2e4\ub978 \ud074\ub798\uc2a4\ub85c \uc774\ub3d9\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-55173 size-full\" style=\"border: 1px solid #AAAAAA;\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/08\/intro_constant.png\" alt=\"\ubcc0\uc218 \uc774\ub984 \ub9ac\ud329\ud1a0\ub9c1\" width=\"750\" height=\"300\" data-gif-src=\"https:\/\/resources.jetbrains.com\/storage\/products\/blog\/wp-content\/uploads\/Java\/intro_constant.gif\"><\/p>\n<h2>\ud544\ub4dc \uc0bd\uc785<\/h2>\n<p>\uc774 \ub9ac\ud329\ud1a0\ub9c1\uc73c\ub85c \ud544\ub4dc\ub97c <a href=\"https:\/\/www.jetbrains.com\/help\/idea\/extract-field.html#extract_field_example\" target=\"_blank\" rel=\"noopener\">\uc0bd\uc785 \ub610\ub294 \ucd94\ucd9c<\/a>\ud558\uace0 \ucd08\uae30\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><code>ViewImpl<\/code> \ud074\ub798\uc2a4\uc758 <code>getItemsList<\/code> \uba54\uc18c\ub4dc\ub294 \uc0c1\uc218 <code>0<\/code>\uacfc <code>4<\/code>\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubaa9\ub85d\uc758 \ud558\uc704 \uc9d1\ud569\uc744 \uac00\uc838\uc635\ub2c8\ub2e4.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"\">public class ViewImpl implements View {\n   @Override\n   public List&lt;Integer&gt; getItemsList() {\n       return List.of(1, 2, 3, 4, 5).subList(0,4);\n   }\n}<\/pre>\n<p>\uc774\ub97c \uc0c1\uc218\ub85c \uc815\uc758\ud558\ub294 \ub300\uc2e0 macOS\uc5d0\uc11c <strong>\u2325\u2318F<\/strong>, Windows\/Linux\uc5d0\uc11c <strong>Ctrl<\/strong>+<strong>Alt<\/strong>+<strong>F<\/strong>\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc774\ub7ec\ud55c \uac12\uc744 \uc800\uc7a5\ud558\ub294 \ud544\ub4dc\ub97c \uc0bd\uc785\ud558\uc5ec \uc778\uc2a4\ud134\uc2a4\uac04\uc5d0 \uc11c\ub85c \ub2e4\ub978 \uac12\uc744 \uac16\ub3c4\ub85d \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-55173 size-full\" style=\"border: 1px solid #AAAAAA;\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/08\/intro_field.png\" alt=\"\ubcc0\uc218 \uc774\ub984 \ub9ac\ud329\ud1a0\ub9c1\" width=\"750\" height=\"300\" data-gif-src=\"https:\/\/resources.jetbrains.com\/storage\/products\/blog\/wp-content\/uploads\/Java\/intro_field.gif\"><\/p>\n<h2>\ub9e4\uac1c\ubcc0\uc218 \ucd94\ucd9c<\/h2>\n<p><a href=\"https:\/\/www.jetbrains.com\/help\/idea\/extract-parameter.html\" target=\"_blank\" rel=\"noopener\">\ub9e4\uac1c\ubcc0\uc218 \ucd94\ucd9c \ub9ac\ud329\ud1a0\ub9c1<\/a>\uc744 \uc0ac\uc6a9\ud558\uba74 \uba54\uc18c\ub4dc\uc5d0\uc11c \uc0c1\uc218 \ub610\ub294 \ud45c\ud604\uc2dd\uc744 \uc120\ud0dd\ud558\uace0 \uc774\ub97c \uba54\uc18c\ub4dc\uc5d0 \uc778\uc218\ub85c \uc804\ub2ec\ub418\ub3c4\ub85d \uc815\uc758\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc608\uc5d0\uc11c\ub294 <code>toIndex<\/code>\ub77c\ub294 <code>getItemsList<\/code> \uba54\uc18c\ub4dc\uc5d0 \ub450 \ubc88\uc9f8 \ud544\ub4dc\ub3c4 \uc0bd\uc785\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"\">public class ViewImpl implements View {\n   private final int fromIndex;\n   private final int toIndex;\n\n   public ViewImpl() {\n       fromIndex = 0;\n       toIndex = 4;\n   }\n\n   public List&lt;Integer&gt; getItemsList() {\n       return List.of(1, 2, 3, 4, 5).subList(fromIndex, toIndex);\n   }\n}<\/pre>\n<p><code>getItemsList<\/code> \uba54\uc18c\ub4dc\uc5d0\uc11c <code>List.of(1,2,3,4,5)<\/code> \ud45c\ud604\uc2dd\uc744 \uc774 \uba54\uc18c\ub4dc\uc5d0 \ub300\ud55c \uc778\uc218\ub85c \uc804\ub2ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uba54\uc18c\ub4dc \ub9e4\uac1c\ubcc0\uc218\uc758 \uc720\ud615\uc740 \uc120\ud0dd\ud55c \ud45c\ud604\uc2dd\uc758 \uc720\ud615\uacfc \ub3d9\uc77c\ud569\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-55173 size-full\" style=\"border: 1px solid #AAAAAA;\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/08\/extract_param_first_option.png\" alt=\"\ubcc0\uc218 \uc774\ub984 \ub9ac\ud329\ud1a0\ub9c1\" width=\"750\" height=\"300\" data-gif-src=\"https:\/\/resources.jetbrains.com\/storage\/products\/blog\/wp-content\/uploads\/Java\/extract_param_first_option.gif\"><\/p>\n<p>Delegate via method overloading(\uc624\ubc84\ub85c\ub4dc \uba54\uc18c\ub4dc\ub97c \ud1b5\ud55c \uc704\uc784) \ud655\uc778\ub780\uc744 \uc120\ud0dd\ud558\uc5ec \uc6d0\ub798 \uba54\uc18c\ub4dc\ub97c \uc720\uc9c0\ud558\uace0 \ub450 \ubc88\uc9f8 \uba54\uc18c\ub4dc\ub97c \uc0bd\uc785\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ud638\ucd9c\uc790\uc5d0 \ub530\ub77c \ub450 \uba54\uc18c\ub4dc \uc911 \ud558\ub098\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-55173 size-full\" style=\"border: 1px solid #AAAAAA;\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/08\/extract_param_second_option.png\" alt=\"\ubcc0\uc218 \uc774\ub984 \ub9ac\ud329\ud1a0\ub9c1\" width=\"750\" height=\"300\" data-gif-src=\"https:\/\/resources.jetbrains.com\/storage\/products\/blog\/wp-content\/uploads\/Java\/extract_param_second_option.gif\"><\/p>\n<p>\ub9e4\uac1c\ubcc0\uc218 \ucd94\ucd9c\uc740 \ud45c\ud604\uc2dd\uc744 \uac00\uc7a5 \ub17c\ub9ac\uc801\uc778 \uc704\uce58\ub85c \uc774\ub3d9\ud558\uc5ec \uba54\uc18c\ub4dc \ub610\ub294 \uba54\uc18c\ub4dc \ud638\ucd9c\uc744 \ub354 \uc77d\uae30 \uc27d\uac8c \ub9cc\ub4dc\ub294 \ub370 \ub3c4\uc6c0\uc744 \uc90d\ub2c8\ub2e4. \uc774\ud574\ud558\uae30 \uc26c\uc6b4 \ub9e4\uac1c\ubcc0\uc218 \uc774\ub984\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\ub3c4 \uac00\ub3c5\uc131\uc5d0 \ub3c4\uc6c0\uc744 \uc90d\ub2c8\ub2e4.<\/p>\n<h2>\ubcc0\uc218 \uc0bd\uc785<\/h2>\n<p>\ud544\uc694\ud55c \uacbd\uc6b0 <a href=\"https:\/\/www.jetbrains.com\/help\/idea\/extract-variable.html\" target=\"_blank\" rel=\"noopener\">\ubcc0\uc218\ub97c \ucd94\ucd9c<\/a>\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \ub54c\ub85c\ub294 \ud45c\ud604\uc2dd\uc744 \uc801\uc808\ud558\uac8c \uc774\ub984\uc774 \uc9c0\uc815\ub41c \ubcc0\uc218\ub85c \uc774\ub3d9\ud558\uc5ec \ucf54\ub4dc\ub97c \ub354 \uc77d\uae30 \uc27d\uac8c \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"\">public ContextActionsWithAltEnter(double cityPopulation) {\n    if (cityPopulation &gt; 0x1.2016eb678a2p43 &amp;&amp; cityPopulation &lt; 987677.8) {\n        if (cityPopulation % 5 == 0) {\n            this.cityPopulation \/= 2;\n        }\n    }\n    this.cityPopulation = cityPopulation;\n}<\/pre>\n<p><code>ContextActionsWithAltEnter<\/code> \uc0dd\uc131\uc790\uc758 if \ubb38\uc740 \uc57d\uac04 \ubcf5\uc7a1\ud574 \ubcf4\uc785\ub2c8\ub2e4. \ud45c\ud604\uc2dd\uc744 \uc120\ud0dd\ud558\uace0 macOS\uc5d0\uc11c  <strong>\u2325\u2318V<\/strong>,  Windows\/Linux\uc5d0\uc11c <strong>Ctrl<\/strong>+<strong>Alt<\/strong>+<strong>V<\/strong> \ub2e8\ucd95\ud0a4\ub97c \uc785\ub825\ud569\ub2c8\ub2e4. <code>lowerLimit<\/code>\uacfc \uac19\uc774 \uc720\uc6a9\ud55c \uc774\ub984\uc744 \uc9c0\uc815\ud558\uc138\uc694. \ub450 \ubc88\uc9f8 \uc870\uac74\uc744 \ubcc0\uc218\ub85c \ucd94\ucd9c\ud558\uace0 \uc774\ub984\uc744 <code>upperLimit<\/code>\uc73c\ub85c \uc9c0\uc815\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \ud544\uc694\ud55c \uacbd\uc6b0 \ucd94\ucd9c\ub41c \ubcc0\uc218\ub97c <code>final<\/code>\ub85c, Java 10 \uc774\uc0c1\uc744 \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0 <code>var<\/code>\ub85c \uc815\uc758\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-55173 size-full\" style=\"border: 1px solid #AAAAAA;\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/08\/introduce_variable.png\" alt=\"\ubcc0\uc218 \uc774\ub984 \ub9ac\ud329\ud1a0\ub9c1\" width=\"750\" height=\"300\" data-gif-src=\"https:\/\/resources.jetbrains.com\/storage\/products\/blog\/wp-content\/uploads\/Java\/introduce_variable.gif\"><\/p>\n<p>\uc774 \ud45c\ud604\uc2dd\uc740 \uc774\uc81c \ud6e8\uc52c \ub354 \uc77d\uae30 \uc26c\uc6cc \ubcf4\uc785\ub2c8\ub2e4.<\/p>\n<h2>\uc548\uc804\ud558\uac8c \uc0ad\uc81c<\/h2>\n<p>\ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \ud30c\uc77c\uc774\ub098 \uc2ec\ubcfc\uc744 \ub354 \uc774\uc0c1 \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uc73c\ub824\uba74 <a href=\"https:\/\/www.jetbrains.com\/help\/idea\/safe-delete.html\" target=\"_blank\" rel=\"noopener\">\uc548\uc804\ud558\uac8c \uc0ad\uc81c<\/a>\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>\uc0ad\uc81c\ud560 \ud30c\uc77c \ub610\ub294 \ud074\ub798\uc2a4\ub97c \uc120\ud0dd\ud558\uace0 macOS\uc5d0\uc11c <strong>\u2318\u2326<\/strong>, \ub610\ub294 Windows\/Linux\uc5d0\uc11c <strong>Alt<\/strong>+<strong>Delete<\/strong>\ub97c \uc0ac\uc6a9\ud558\uc138\uc694. IntelliJ IDEA\ub294 \uc0ad\uc81c\ud558\uae30 \uc804\uc5d0 \ub9ac\uc18c\uc2a4\ub97c \uc0ad\uc81c\ud574\ub3c4 \uc548\uc804\ud55c\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2020\/08\/safe_delete.png\" alt=\"\uc548\uc804\ud558\uac8c \uc0ad\uc81c\"><\/p>\n<h2>\uc694\uc57d<\/h2>\n<p>IntelliJ IDEA\ub294 \ucf54\ub4dc\ub97c \uac1c\uc120\ud558\uae30 \uc704\ud574 \ub9e4\uc77c \uc548\uc804\ud558\uac8c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \uac15\ub825\ud55c \ub9ac\ud329\ud1a0\ub9c1 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<p>\uadf8\ub7ec\ub098, \ub9ac\ud329\ud1a0\ub9c1\uc774 \ub9cc\ub2a5 \ud574\uacb0\uc0ac\ub294 \uc544\ub2d9\ub2c8\ub2e4. \ub9ac\ud329\ud1a0\ub9c1\uc73c\ub85c \uc778\ud574 \ucf54\ub4dc\uc758 \ub3d9\uc791\uc774 \ub2ec\ub77c\uc9c0\uc9c0 \uc54a\ub3c4\ub85d \ud14c\uc2a4\ud2b8\uc5d0 \uc548\uc804\ub9dd\uc744 \uc900\ube44\ud574 \ub450\uc138\uc694. <\/p>\n<p>\uae30\ud0c0 \ucc38\uace0 \uc790\ub8cc:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.jetbrains.com\/help\/idea\/refactoring-source-code.html#1078e\" target=\"_blank\" rel=\"noopener\">IntelliJ IDEA\uc5d0\uc11c \uc9c0\uc6d0\ub418\ub294 \uac00\uc7a5 \uc778\uae30\uc788\ub294 \ub9ac\ud329\ud1a0\ub9c1<\/a><\/li>\n<li><a href=\"https:\/\/blog.jetbrains.com\/idea\/2019\/07\/refactoring-inline-method-in-intellij-idea\/\">\ub9ac\ud329\ud1a0\ub9c1: IntelliJ IDEA\uc5d0\uc11c \uba54\uc18c\ub4dc \uc778\ub77c\uc778\ud654<\/a>(<a href=\"https:\/\/youtu.be\/uYsFlbXJbog\" target=\"_blank\" rel=\"noopener\">\ub3d9\uc601\uc0c1<\/a> \ud3ec\ud568)<\/li>\n<li><a href=\"https:\/\/blog.jetbrains.com\/idea\/2019\/04\/refactoring-extract-variable-in-intellij-idea\/\">\ub9ac\ud329\ud1a0\ub9c1: IntelliJ IDEA\uc5d0\uc11c \ubcc0\uc218 \ucd94\ucd9c<\/a> \ubc0f <a href=\"https:\/\/youtu.be\/W_IiuORF16E\" target=\"_blank\" rel=\"noopener\">\ub3d9\uc601\uc0c1<\/a><\/li>\n<\/ul>\n<p>\n<em>\uc774 \uac8c\uc2dc\ubb3c\uc740 <a href=\"https:\/\/blog.jetbrains.com\/author\/helen-scott-jetbrains-com\/\">Helen Scott<\/a>\uc774 \uc791\uc131\ud55c <a href=\"https:\/\/blog.jetbrains.com\/idea\/2020\/09\/everyday-refactorings-in-intellij-idea\/\">Everyday Refactorings in IntelliJ IDEA<\/a>\ub97c \ubc88\uc5ed\ud55c \uae00\uc785\ub2c8\ub2e4.<\/em><\/p>\n","protected":false},"author":964,"featured_media":67930,"comment_status":"closed","ping_status":"closed","template":"","categories":[],"tags":[],"cross-post-tag":[],"acf":[],"_links":{"self":[{"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/idea\/75082"}],"collection":[{"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/idea"}],"about":[{"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/types\/idea"}],"author":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/users\/964"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/comments?post=75082"}],"version-history":[{"count":3,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/idea\/75082\/revisions"}],"predecessor-version":[{"id":234887,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/idea\/75082\/revisions\/234887"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/media\/67930"}],"wp:attachment":[{"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/media?parent=75082"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/categories?post=75082"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/tags?post=75082"},{"taxonomy":"cross-post-tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/cross-post-tag?post=75082"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}