{"id":26684,"date":"2025-03-25T14:14:11","date_gmt":"2025-03-25T07:14:11","guid":{"rendered":"https:\/\/hitek.com.vn\/?p=26684"},"modified":"2026-04-21T17:12:05","modified_gmt":"2026-04-21T10:12:05","slug":"android-app-development-language","status":"publish","type":"post","link":"https:\/\/hitek.com.vn\/ko\/blog-ko\/android-app-development-language\/","title":{"rendered":"\uc548\ub4dc\ub85c\uc774\ub4dc \uc571 \uac1c\ubc1c\ud560 \ub54c \ucd08\ubcf4\uc790\uac00 \uc81c\uc77c \ubc30\uc6b0\uae30 \uc26c\uc6b4 \uc5b8\uc5b4\uac00 \ubb50\uc57c?"},"content":{"rendered":"<p>\uacb0\uc815\uc758 \uc21c\uac04\uc774\ub2e4. \u201c\ub098\ub3c4 \ud55c\ubc88 \uc571\uc744 \ub9cc\ub4e4\uc5b4\ubcfc\uae4c?\u201d\ub77c\ub294 \ub9c9\uc5f0\ud55c \uc0c1\uc0c1\uc774 \u201c\ub3c4\ub300\uccb4 \ubb58 \uacf5\ubd80\ud558\uc9c0?\u201d\ub77c\ub294 \ud604\uc2e4\uc758 \ubcbd\uc5d0 \ubd80\ub52a\ud788\ub294 \ubc14\ub85c \uadf8 \uc21c\uac04. \uac80\uc0c9\ucc3d\uc5d0 \ub5a0\ub3c4\ub294 \uc218\ub9ce\uc740 \uc758\uacac\ub4e4\uc740 \uc624\ud788\ub824 \ud63c\ub780\ub9cc \uac00\uc911\uc2dc\ud0a8\ub2e4. \uc790\ubc14(Java)\uac00 \uc804\ud1b5\uc801\uc774\ub77c\ub354\ub77c, \ucf54\ud2c0\ub9b0(Kotlin)\uc774 \ub300\uc138\ub77c\ub354\ub77c.<\/p>\n<p>\uc5ec\uae30\uc11c \ub05d\ub0b4 \uace0\ubbfc\uc744 \ub05d\ub0b4\uc790. \ub2f9\uc2e0\uc774 \uc9c4\uc815\uc73c\ub85c \uc6d0\ud558\ub294 \uac83\uc740 <strong>\u201c\ubbf8\ub798\ub97c \uc704\ud55c \uba4b\uc9c4 \uc120\ud0dd\u201d<\/strong> \uc774 \uc544\ub2c8\ub77c, <strong>\u201c\uc9c0\uae08 \ub2f9\uc7a5 \ubd80\ub52a\ud788\uba70 \ubc30\uc6b8 \uc218 \uc788\ub294 \uc26c\uc6b4 \ucc3d\uad6c\u201d<\/strong> \ub2e4.<\/p>\n<p>\uc815\ub2f5\ubd80\ud130 \ub9d0\ud55c\ub2e4. \ucd08\ubcf4\uc790\uac00 \uc548\ub4dc\ub85c\uc774\ub4dc \uc571 \uac1c\ubc1c\uc744 \uc2dc\uc791\ud558\uae30\uc5d0 \uac00\uc7a5 <strong>\uc6b0\uc544\ud558\uace0, \ud604\uba85\ud558\uba70, \ub35c \uace0\ud1b5\uc2a4\ub7ec\uc6b4<\/strong> \uc5b8\uc5b4\ub294 \ub2e8 \ud558\ub098\ub2e4.<\/p>\n<p><strong>\ucf54\ud2c0\ub9b0(Kotlin)\uc774\ub2e4.<\/strong><\/p>\n<p>\uc774\uc720\ub294 \ub2e8\uc21c\ud558\ub2e4. \uc6b0\ub9ac\ub294 \uace0\ud1b5\uc744 \uc990\uae30\uae30 \uc704\ud574 \ucf54\ub529\uc744 \ud558\ub294 \uac8c \uc544\ub2c8\ub77c, \uacb0\uacfc\ubb3c\uc744 \uc704\ud574 \ucf54\ub529\uc744 \ud55c\ub2e4. \uc218\ub9ce\uc740 \ub300\ud559\uc758 \ubaa8\ubc14\uc77c\ud504\ub85c\uadf8\ub798\ubc0d \uc218\uc5c5\uc774 Kotlin\uc744 \uae30\ubc18\uc73c\ub85c \uc7ac\ud3b8\uc131\ub418\uace0 \uc788\uace0, Google\uc870\ucc28 \u201c\uc774\uac78 \uc368, \uc778\ub9c8\u201d\ub77c\uace0 \ud655\uc2e4\ud558\uac8c \uc190\uac00\ub77d\uc9c8 \ud574\uc8fc\ub294 \uc5b8\uc5b4\ub2e4. \uc120\ud0dd\uc774 \uc544\ub2cc \ud544\uc218\ub2e4.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_80 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\ubaa9\ucc28 \ud1a0\uae00\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/hitek.com.vn\/ko\/blog-ko\/android-app-development-language\/#%EC%9E%90%EB%B0%94_%EA%B7%B8%EA%B1%B4_%E2%80%98%EB%A0%88%ED%8A%B8%EB%A1%9C_%EA%B0%90%EC%84%B1%EC%9D%B4_%EC%95%84%EB%8B%88%EB%9D%BC_%E2%80%98%EA%B7%BC%EC%9C%A1%ED%86%B5%EC%9D%B4%EB%8B%A4\" >\uc790\ubc14? \uadf8\uac74 \u2018\ub808\ud2b8\ub85c \uac10\uc131\u2019\uc774 \uc544\ub2c8\ub77c \u2018\uadfc\uc721\ud1b5\u2019\uc774\ub2e4<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/hitek.com.vn\/ko\/blog-ko\/android-app-development-language\/#%EC%B4%88%EB%B3%B4%EC%9E%90%EA%B0%80_%EC%9E%90%EB%B0%94%EB%A5%BC_%ED%94%BC%ED%95%B4%EC%95%BC_%ED%95%98%EB%8A%94_%EC%9D%B4%EC%9C%A0_%ED%91%9C%EB%A1%9C_%EC%A0%95%EB%A6%AC\" >\ucd08\ubcf4\uc790\uac00 \uc790\ubc14\ub97c \ud53c\ud574\uc57c \ud558\ub294 \uc774\uc720 (\ud45c\ub85c \uc815\ub9ac)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/hitek.com.vn\/ko\/blog-ko\/android-app-development-language\/#%EC%BD%94%ED%8B%80%EB%A6%B0%EC%9D%B4_%E2%80%98%EC%9D%B8%EC%83%9D_%EC%B2%AB_%EC%96%B8%EC%96%B4%EB%A1%9C_%EC%99%84%EB%B2%BD%ED%95%9C_%EC%9D%B4%EC%9C%A0\" >\ucf54\ud2c0\ub9b0\uc774 \u2018\uc778\uc0dd \uccab \uc5b8\uc5b4\u2019\ub85c \uc644\ubcbd\ud55c \uc774\uc720<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/hitek.com.vn\/ko\/blog-ko\/android-app-development-language\/#%EA%B7%B8%EB%9E%98%EB%8F%84_%EC%9E%90%EB%B0%94%EB%A5%BC_%EB%B0%B0%EC%9B%8C%EC%95%BC_%ED%95%A0_%EB%95%8C%EA%B0%80_%EC%9E%88%EC%9D%84%EA%B9%8C\" >\uadf8\ub798\ub3c4 \uc790\ubc14\ub97c \ubc30\uc6cc\uc57c \ud560 \ub54c\uac00 \uc788\uc744\uae4c?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/hitek.com.vn\/ko\/blog-ko\/android-app-development-language\/#%EA%B2%B0%EB%A1%A0_%EA%B3%A0%EB%AF%BC%EC%9D%80_%EB%B0%B0%ED%84%B0%EB%A6%AC%EB%A7%8C_%EC%86%8C%EB%AA%A8%ED%95%A0_%EB%BF%90%EC%9D%B4%EB%8B%A4\" >\uacb0\ub860: \uace0\ubbfc\uc740 \ubc30\ud130\ub9ac\ub9cc \uc18c\ubaa8\ud560 \ubfd0\uc774\ub2e4<\/a><\/li><\/ul><\/nav><\/div>\n<h2 id=\"-\"><span class=\"ez-toc-section\" id=\"%EC%9E%90%EB%B0%94_%EA%B7%B8%EA%B1%B4_%E2%80%98%EB%A0%88%ED%8A%B8%EB%A1%9C_%EA%B0%90%EC%84%B1%EC%9D%B4_%EC%95%84%EB%8B%88%EB%9D%BC_%E2%80%98%EA%B7%BC%EC%9C%A1%ED%86%B5%EC%9D%B4%EB%8B%A4\"><\/span>\uc790\ubc14? \uadf8\uac74 \u2018\ub808\ud2b8\ub85c \uac10\uc131\u2019\uc774 \uc544\ub2c8\ub77c \u2018\uadfc\uc721\ud1b5\u2019\uc774\ub2e4<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\ubb3c\ub860 \uc790\ubc14\ub294 \uc704\ub300\ud55c \uc5b8\uc5b4\ub2e4. \uc804\uc131\uae30 \uc2dc\uc808\uc758 \ub85d\uc2a4\ud0c0\uc640 \uac19\uc558\ub2e4. \ud558\uc9c0\ub9cc \uc548\ub4dc\ub85c\uc774\ub4dc \uc0dd\ud0dc\uacc4\uc5d0\uc11c \uc790\ubc14\ub294 \uc774\uc81c \u2018\uc720\uc0b0\u2019\uc5d0 \uac00\uae5d\ub2e4. \ucd08\ubcf4\uc790\uac00 \uc790\ubc14\ub85c \uc548\ub4dc\ub85c\uc774\ub4dc\ub97c \ubc30\uc6b0\ub294 \ud589\uc704\ub294, \ub098\ubb34\uc813\uac00\ub77d\uc73c\ub85c \uc218\ud504\ub97c \uba39\ub294 \uaca9\uc774\ub2e4. \uac00\ub2a5\uc740 \ud558\uc9c0\ub9cc, \uadf8 \uacfc\uc815\uc774 \ub108\ubb34 \uace0\ud1b5\uc2a4\ub7fd\ub2e4.<\/p>\n<p>\ucd08\ubcf4\uc790\uac00 \uc790\ubc14\uc5d0\uc11c \uc88c\uc808\ud558\ub294 \uc774\uc720\ub294 \ub2e8 \ud558\ub098, <strong>\u2018\ubcf4\uc77c\ub7ec\ud50c\ub808\uc774\ud2b8(Boilerplate)\u2019<\/strong> \ub2e4. \ud654\uba74\uc5d0 &#8220;Hello World&#8221; \ub744\uc6b0\ub824\uace0 \ud574\ub3c4 \uc218\ub9ce\uc740 Getter\/Setter, \uc624\ubc84\ub77c\uc774\ub529&#8230; \ucf54\ub4dc\uac00 \uc8fc\uc808\uc8fc\uc808 \uae38\uc5b4\uc9c0\uba74\uc11c \uac00\ub3c5\uc131\uc740 \uac1c\ub098\ub9ac\uaf43\ubc2d\uc73c\ub85c \uc0ac\ub77c\uc9c4\ub2e4. \uc820\uc7a5, \ub098\ub294 \uc571\uc744 \ub9cc\ub4e4\uace0 \uc2f6\uc9c0 \uc790\ubc14\uc758 \ubb38\ubc95 \uc2dc\ud5d8\uc744 \uce58\ub974\uace0 \uc2f6\uc740 \uac8c \uc544\ub2c8\ub2e4.<\/p>\n<h3 id=\"-\"><span class=\"ez-toc-section\" id=\"%EC%B4%88%EB%B3%B4%EC%9E%90%EA%B0%80_%EC%9E%90%EB%B0%94%EB%A5%BC_%ED%94%BC%ED%95%B4%EC%95%BC_%ED%95%98%EB%8A%94_%EC%9D%B4%EC%9C%A0_%ED%91%9C%EB%A1%9C_%EC%A0%95%EB%A6%AC\"><\/span>\ucd08\ubcf4\uc790\uac00 \uc790\ubc14\ub97c \ud53c\ud574\uc57c \ud558\ub294 \uc774\uc720 (\ud45c\ub85c \uc815\ub9ac)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">\ud56d\ubaa9<\/th>\n<th style=\"text-align: left;\">\uc790\ubc14 (Java)<\/th>\n<th style=\"text-align: left;\">\ucf54\ud2c0\ub9b0 (Kotlin)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>\ubcf4\uc77c\ub7ec\ud50c\ub808\uc774\ud2b8<\/strong><\/td>\n<td style=\"text-align: left;\">\ub370\uc774\ud130 \ud074\ub798\uc2a4 \ub9cc\ub4e4\ub824\uba74 \ub208\ubb3c \ub098\ub3c4\ub85d \uae38\uc5b4\uc9d0<\/td>\n<td style=\"text-align: left;\"><code>data class<\/code> \ud55c \ubc29\uc5d0 \ub05d<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Null \uc548\uc804\uc131<\/strong><\/td>\n<td style=\"text-align: left;\"><code>NullPointerException<\/code>\uc740 \uc548\ub4dc\ub85c\uc774\ub4dc\uc758 \uc5ed\uc801<\/td>\n<td style=\"text-align: left;\">\uc5b8\uc5b4 \ucc28\uc6d0\uc5d0\uc11c \ubc29\ud0c4 \uc870\uce58 \uc644\ub8cc<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>\ud559\uc2b5 \uace1\uc120<\/strong><\/td>\n<td style=\"text-align: left;\">\uac1d\uccb4\uc9c0\ud5a5 \ud328\ud134\ubd80\ud130 \uac15\uc694\ud568<\/td>\n<td style=\"text-align: left;\">\ud604\ub300\uc801\uc778 \ubb38\ubc95\uc73c\ub85c \uc9c1\uad00\uc801\uc784<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>\ud604\uc7ac \ub300\uc138<\/strong><\/td>\n<td style=\"text-align: left;\">&#8220;\uc608\uc804\uc5d0\ub294&#8230;&#8221; \uc73c\ub85c \uc2dc\uc791\ud558\ub294 \ub9d0\uc5d0\ub9cc \ub4f1\uc7a5<\/td>\n<td style=\"text-align: left;\">\uad6c\uae00\uc774 \uacf5\uc2dd \uc9c0\uc815\ud55c First Class \uc5b8\uc5b4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"-\"><span class=\"ez-toc-section\" id=\"%EC%BD%94%ED%8B%80%EB%A6%B0%EC%9D%B4_%E2%80%98%EC%9D%B8%EC%83%9D_%EC%B2%AB_%EC%96%B8%EC%96%B4%EB%A1%9C_%EC%99%84%EB%B2%BD%ED%95%9C_%EC%9D%B4%EC%9C%A0\"><\/span>\ucf54\ud2c0\ub9b0\uc774 \u2018\uc778\uc0dd \uccab \uc5b8\uc5b4\u2019\ub85c \uc644\ubcbd\ud55c \uc774\uc720<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\ucf54\ud2c0\ub9b0\uc740 \ud504\ub85c\uadf8\ub798\uba38\ub97c \uc704\ud574 \ud504\ub85c\uadf8\ub798\uba38\uac00 \ub9cc\ub4e0 \uc5b8\uc5b4\ub2e4. JetBrains\ub77c\ub294 \ud68c\uc0ac\ub294 \uac1c\ubc1c\uc790\ub4e4\uc758 \uace0\ud1b5\uc744 \ub108\ubb34 \uc798 \uc54c\uae30\uc5d0, \ubb38\ubc95\uc744 \uc124\uacc4\ud560 \ub54c <strong>\u2018\uc778\uac04\ub2e4\uc6c0\u2019<\/strong> \uc5d0 \uc9d1\uc911\ud588\ub2e4.<\/p>\n<p><strong>\uccab\uc9f8, \ub108\ub294 \uc624\uc9c1 \u2018\ub85c\uc9c1\u2019\uc5d0\ub9cc \uc9d1\uc911\ud558\uba74 \ub41c\ub2e4.<\/strong><br \/>\nKotlin\uc740 \ub9c8\uce58 \uc77c\uc0c1\uc5b4\ucc98\ub7fc \ucf54\ub4dc\ub97c \uc77d\uac8c \ud574\uc900\ub2e4. \uc790\ubc14\uc5d0\uc11c 5\uc904\uc774\ub358 \ucf54\ub4dc\ub97c 1\uc904\ub85c \uc904\uc5ec\uc8fc\ub294 \ub9c8\ubc95\uc744 \uacbd\ud5d8\ud558\uac8c \ub420 \uac83\uc774\ub2e4. \ud2b9\ud788 <strong>\ubdf0 \ubc14\uc778\ub529(View Binding)<\/strong> \uc774\ub098 <strong>\ucf54\ub8e8\ud2f4(Coroutines)<\/strong> \uc740 \ucd08\ubcf4\uc790\uc758 \uc9c4\uc785\uc7a5\ubcbd\uc744 \ud655 \ub0ae\ucdb0\uc900\ub2e4. \ubcf5\uc7a1\ud55c \ucf5c\ubc31 \uc9c0\uc625\uc5d0\uc11c \ud574\ubc29\ub418\uc5b4 \ucf54\ub4dc\uac00 \uc704\uc5d0\uc11c \uc544\ub798\ub85c \uc220\uc220 \uc77d\ud78c\ub2e4.<\/p>\n<p><strong>\ub458\uc9f8, \uc571\uc774 \ub35c \ud130\uc9c4\ub2e4.<\/strong><br \/>\n\ucd08\ubcf4\uc790\uac00 \uac00\uc7a5 \ub9ce\uc774 \ub9c8\uc8fc\ud558\ub294 \uc801\uc740 <code>NullPointerException<\/code> (NPE)\uc774\ub2e4. &#8220;\ubd84\uba85\ud788 \uc788\ub294\ub370 \uc65c \ud130\uc838!!&#8221; \ub77c\uace0 \uc18c\ub9ac\uc9c0\ub974\ub294 \uadf8 \uacbd\ud5d8, \ucf54\ud2c0\ub9b0\uc740 \uc560\ucd08\uc5d0 \uadf8\ub7f4 \uc77c\uc744 \uc5c6\uc574\ub2e4. \ubcc0\uc218\uc5d0 <code>?<\/code> \ud558\ub098\ub9cc \ubd99\uc5ec\uc8fc\uba74, \uc548\ub4dc\ub85c\uc774\ub4dc\ub294 \ubbf8\ub9ac &#8220;\uc57c, \uc774\uac70 \ube44\uc5c8\uc744 \uc218\ub3c4 \uc788\uc5b4. \ucc98\ub9ac\ud574&#8221;\ub77c\uace0 \uc54c\ub824\uc900\ub2e4.<\/p>\n<p><strong>\uc14b\uc9f8, \ub108\ub294 \uc774\ubbf8 \u2018\ub808\uac70\uc2dc\u2019\uac00 \uc544\ub2c8\ub77c \u2018\ubbf8\ub798\u2019\uc5d0 \ud22c\uc790\ud558\ub294 \uc911\uc774\ub2e4.<\/strong><br \/>\n\ud604\uc7ac \ub300\ubd80\ubd84\uc758 \uc548\ub4dc\ub85c\uc774\ub4dc \uac1c\ubc1c\uc790\ub4e4\uc774 Java\uc5d0\uc11c Kotlin\uc73c\ub85c \uc774\uc8fc\ud558\uace0 \uc788\uc73c\uba70, \uc2e0\uaddc \ud504\ub85c\uc81d\ud2b8\ub294 99% Kotlin\uc73c\ub85c \uc2dc\uc791\ud55c\ub2e4. \uc9c0\uae08 Java\ub97c \ubc30\uc6b0\ub294 \uac83\uc740 \ud0c0\uc790\uae30\ub97c \ubc30\uc6b0\ub294 \uac83\uacfc \uac19\ub2e4. \ubb3c\ub860 \ub17c\ub9ac\ub294 \ube44\uc2b7\ud558\uc9c0\ub9cc, \ub2f9\uc7a5 \ud544\uc694\ud55c \uac74 \ud0a4\ubcf4\ub4dc\ub2e4.<\/p>\n<h2 id=\"-\"><span class=\"ez-toc-section\" id=\"%EA%B7%B8%EB%9E%98%EB%8F%84_%EC%9E%90%EB%B0%94%EB%A5%BC_%EB%B0%B0%EC%9B%8C%EC%95%BC_%ED%95%A0_%EB%95%8C%EA%B0%80_%EC%9E%88%EC%9D%84%EA%B9%8C\"><\/span>\uadf8\ub798\ub3c4 \uc790\ubc14\ub97c \ubc30\uc6cc\uc57c \ud560 \ub54c\uac00 \uc788\uc744\uae4c?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>\uc194\uc9c1\ud788 \ub9d0\ud574\uc11c, \uc5c6\ub2e4.<\/strong><br \/>\n\ub9cc\uc57d \ub2f9\uc2e0\uc774 \u201c\uc720\uc11c \uae4a\uc740 \ub300\uae30\uc5c5\uc758 10\ub144 \ub41c \ub808\uac70\uc2dc \uc571\u201d\uc744 \uc720\uc9c0\ubcf4\uc218\ud574\uc57c \ud558\ub294 \uac8c \uc544\ub2c8\ub77c\uba74, \uc790\ubc14\ub294 \uc800 \uba40\ub9ac \ub4a4\ub85c \ubbf8\ub904\ub46c\ub3c4 \ub41c\ub2e4.<\/p>\n<p><strong>\uc624\uc9c1 \ud55c \uac00\uc9c0 \uacbd\uc6b0\uc5d0\ub9cc Java\ub97c \uba3c\uc800 \ubcf4\ub294 \uac78 \ucd94\ucc9c\ud55c\ub2e4.<\/strong><br \/>\n\uadf8\uac83\uc740 \ubc14\ub85c <strong>\uc815\ubcf4\ucc98\ub9ac\uae30\uc0ac<\/strong>\ub97c \ub530\uc57c \ud558\uac70\ub098, \ub300\ud559 \uc2dc\ud5d8\uc5d0\uc11c Java \ubb38\ubc95\uc774 \ub098\uc640\uc11c <strong>\ud559\uc810<\/strong>\uc774 \ud544\uc694\ud560 \ub54c\ub2e4. \ud639\uc2dc \ubaa8\ub974\ub2c8 <code>public static void main<\/code>\uc774 \ubb54\uc9c0\ub294 \uc54c\uc544\ub450\uc790. \ud558\uc9c0\ub9cc \uc571 \uac1c\ubc1c\uc774\ub77c\ub294 \uc2e4\uc804 \uc804\uc7a5\uc5d0\uc11c\ub294 \uaebc\ub0b4\ub4e4 \ud544\uc694 \uc5c6\ub2e4.<\/p>\n<blockquote><p>\ucd08\ubcf4\uc790\ub294 \uc77c\ub2e8 \uc2e4\ud589\ub418\ub294 \uacb0\uacfc\ubb3c\uc744 \ubcf4\uace0 \ub9ac\uc561\uc158\uc744 \uc5bb\uc5b4\uc57c \ud765\ubbf8\ub97c \uc783\uc9c0 \uc54a\ub294\ub2e4. \ucf54\ud2c0\ub9b0\uc740 \uadf8 \u2018\ud53c\ub4dc\ubc31 \ub8e8\ud504\u2019\uac00 \uac00\uc7a5 \uc9e7\ub2e4.<\/p><\/blockquote>\n<h2 id=\"-\"><span class=\"ez-toc-section\" id=\"%EA%B2%B0%EB%A1%A0_%EA%B3%A0%EB%AF%BC%EC%9D%80_%EB%B0%B0%ED%84%B0%EB%A6%AC%EB%A7%8C_%EC%86%8C%EB%AA%A8%ED%95%A0_%EB%BF%90%EC%9D%B4%EB%8B%A4\"><\/span>\uacb0\ub860: \uace0\ubbfc\uc740 \ubc30\ud130\ub9ac\ub9cc \uc18c\ubaa8\ud560 \ubfd0\uc774\ub2e4<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\uc5b4\ucc28\ud53c \ub108\ub294 \uc790\ubc14\ub97c \u2018\ubab0\ub77c\ub3c4\u2019 \ucf54\ud2c0\ub9b0\uc744 \ubc30\uc6b0\uba74\uc11c \uc790\uc5f0\uc2a4\ub7fd\uac8c \uc790\ubc14\uc758 \ubb38\ubc95\ub3c4 \ud761\uc218\ud558\uac8c \ub418\uc5b4 \uc788\ub2e4. \ub450 \uc5b8\uc5b4\ub294 \uac19\uc740 JVM(Java Virtual Machine) \uc704\uc5d0\uc11c \ub3cc\uc544\uac00\uae30 \ub54c\ubb38\uc5d0, \ud55c\ucabd\uc744 \uae4a\uac8c \ud30c\uba74 \ub2e4\ub978 \ucabd\uc740 \uc800\uc808\ub85c \ubcf4\uc778\ub2e4.<\/p>\n<p>\ud558\uc9c0\ub9cc <strong>\ucd9c\ubc1c\uc120<\/strong>\uc740 \ubc18\ub4dc\uc2dc <strong>\ucf54\ud2c0\ub9b0<\/strong>\uc774\uc5b4\uc57c \ud55c\ub2e4.<\/p>\n<p>\uc548\ub4dc\ub85c\uc774\ub4dc \uc2a4\ud29c\ub514\uc624\ub97c \ucf1c\ub77c. <code>MainActivity.kt<\/code> \ud30c\uc77c\uc744 \ub9cc\ub4e4\uc790. \uadf8\ub9ac\uace0 \uc790\ubc14\uc758 \uadf8 \uae34 \ubb38\ubc95\ub4e4 \ub300\uc2e0, \ucf54\ud2c0\ub9b0\uc758 \uc9e7\uace0 \uc139\uc2dc\ud55c \ubb38\ubc95\uc5d0 \ubbf8\uccd0\ubcf4\uc790. \ub2f9\uc2e0\uc758 \uccab \uc571 \ucd9c\uc2dc\uae4c\uc9c0\uc758 \uc2dc\uac04\uc744 \ub2e8\ucd95\uc2dc\ucf1c\uc904 \uac00\uc7a5 \ud655\uc2e4\ud55c \uc9c0\ub984\uae38\uc774\ub2e4.<\/p>\n<p><strong>\uc9c0\uae08 \ubc14\ub85c \uc2e4\ud589\ud560 \ud589\ub3d9:<\/strong><\/p>\n<ol>\n<li><strong>\uc548\ub4dc\ub85c\uc774\ub4dc \uc2a4\ud29c\ub514\uc624<\/strong>\ub97c \ub2e4\uc6b4\ub85c\ub4dc\ud55c\ub2e4.<\/li>\n<li>\uc2e0\uaddc \ud504\ub85c\uc81d\ud2b8 \uc0dd\uc131 \uc2dc \uc5b8\uc5b4\ub97c <strong>Kotlin<\/strong>\uc73c\ub85c \uc120\ud0dd\ud55c\ub2e4. (Java\ub294 \ubcf4\uc9c0\ub3c4 \ub9d0\uc790)<\/li>\n<li>\u201cEmpty Activity\u201d\ub97c \uc0dd\uc131\ud558\uace0, <code>setContent<\/code> \ube14\ub85d \uc548\uc5d0\uc11c \uccab \ud654\uba74\uc744 \uadf8\ub824\ubcf8\ub2e4.<\/li>\n<\/ol>\n<p>\uc2dc\uc791\uc774 \ubc18\uc774\ub2e4. \ud558\uc9c0\ub9cc \ubb34\uc2a8 \uc5b8\uc5b4\ub85c \uc2dc\uc791\ud560\uc9c0 \uace0\ubbfc\ud558\ub294 \uadf8 \uc2dc\uac04\uc740 \u2018\ubc18\u2019\ub3c4 \uc544\ub2c8\ub2e4. \uadf8\ub0e5 \uc2dc\uac04 \ub0ad\ube44\ub2e4. \ucf54\ud2c0\ub9b0, \uadf8\uac8c \uc815\ub2f5\uc774\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uacb0\uc815\uc758 \uc21c\uac04\uc774\ub2e4. \u201c\ub098\ub3c4 \ud55c\ubc88 \uc571\uc744 \ub9cc\ub4e4\uc5b4\ubcfc\uae4c?\u201d\ub77c\ub294 \ub9c9\uc5f0\ud55c \uc0c1\uc0c1\uc774 \u201c\ub3c4\ub300\uccb4 \ubb58 \uacf5\ubd80\ud558\uc9c0?\u201d\ub77c\ub294 \ud604\uc2e4\uc758 \ubcbd\uc5d0 \ubd80\ub52a\ud788\ub294 \ubc14\ub85c \uadf8 \uc21c\uac04. \uac80\uc0c9\ucc3d\uc5d0 \ub5a0\ub3c4\ub294 \uc218\ub9ce\uc740 \uc758\uacac\ub4e4\uc740 \uc624\ud788\ub824 \ud63c\ub780\ub9cc \uac00\uc911\uc2dc\ud0a8\ub2e4. \uc790\ubc14(Java)\uac00 \uc804\ud1b5\uc801\uc774\ub77c\ub354\ub77c, \ucf54\ud2c0\ub9b0(Kotlin)\uc774 \ub300\uc138\ub77c\ub354\ub77c. \uc5ec\uae30\uc11c \ub05d\ub0b4 \uace0\ubbfc\uc744 \ub05d\ub0b4\uc790. \ub2f9\uc2e0\uc774 \uc9c4\uc815\uc73c\ub85c \uc6d0\ud558\ub294 \uac83\uc740 \u201c\ubbf8\ub798\ub97c \uc704\ud55c \uba4b\uc9c4 \uc120\ud0dd\u201d \uc774 \uc544\ub2c8\ub77c, \u201c\uc9c0\uae08 \ub2f9\uc7a5 \ubd80\ub52a\ud788\uba70 \ubc30\uc6b8 \uc218 \uc788\ub294 \uc26c\uc6b4 \ucc3d\uad6c\u201d \ub2e4. \uc815\ub2f5\ubd80\ud130 \ub9d0\ud55c\ub2e4. \ucd08\ubcf4\uc790\uac00 \uc548\ub4dc\ub85c\uc774\ub4dc [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":26685,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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