{"id":216731,"date":"2022-01-06T05:04:13","date_gmt":"2022-01-06T04:04:13","guid":{"rendered":"https:\/\/blog.jetbrains.com\/kotlin\/2021\/12\/kotlin-features-survey-2021-results\/"},"modified":"2022-01-06T05:04:15","modified_gmt":"2022-01-06T04:04:15","slug":"kotlin-features-survey-2021-results","status":"publish","type":"kotlin","link":"https:\/\/blog.jetbrains.com\/ko\/kotlin\/2022\/01\/kotlin-features-survey-2021-results\/","title":{"rendered":"2021\ub144 Kotlin \uae30\ub2a5 \uc124\ubb38\uc870\uc0ac \uacb0\uacfc"},"content":{"rendered":"<p>\uba87 \ub2ec \uc804 JetBrains\ub294 <a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/06\/kotlin-features-survey-edition-2\/\">Kotlin\uc5d0\uc11c \uac00\uc7a5 \uae30\ub300\ud558\ub294 \uae30\ub2a5\uc5d0 \ub300\ud55c \uc124\ubb38\uc870\uc0ac<\/a>\ub97c \ub450 \ubc88\uc9f8\ub85c \uc2e4\uc2dc\ud588\uc2b5\ub2c8\ub2e4. \uc774 \uc870\uc0ac\ub294 \ud5a5\ud6c4 \ucd9c\uc2dc\ud560 Kotlin \uae30\ub2a5\uc758 \uc0c1\ub300\uc801 \uc911\uc694\uc131 \ubc0f \uc0ac\uc6a9\uc790 \uc2dc\ub098\ub9ac\uc624\uc758 \ub2e4\uc591\uc131\uc5d0 \ub300\ud55c \uc0ac\uc6a9\uc790\uc758 \uc758\uacac\uc744 \ud655\uc778\ud558\ub294 \ub370 \uc911\uc810\uc744 \ub450\uc5c8\uc73c\uba70 \uc7a5\uae30\uc801\uc73c\ub85c \uc5b8\uc5b4 \uac1c\ubc1c \uacc4\ud68d\uc758 \uc6b0\uc120\uc21c\uc704\ub97c \uc124\uc815\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub420 \uac83\uc785\ub2c8\ub2e4. \uc124\ubb38\uc870\uc0ac\uc5d0 \ucc38\uc5ec\ud558\uace0 \uc9c8\ubb38\uc5d0 \ub2f5\ud574\uc8fc\uc2e0 \ubaa8\ub4e0 \ubd84\ub4e4\uaed8 \uac10\uc0ac\ub4dc\ub9bd\ub2c8\ub2e4!<\/p>\n<p>\uc124\ubb38\uc870\uc0ac \uacb0\uacfc \ubc0f \uac00\uc7a5 \ub9ce\uc740 \ud45c\ub97c \uc5bb\uc740 \uae30\ub2a5\uacfc \uad00\ub828\ud558\uc5ec <a class=\"ek-link\" href=\"https:\/\/twitter.com\/relizarov\" target=\"_blank\" rel=\"noopener\">Kotlin \ud504\ub85c\uc81d\ud2b8 \ud300\uc7a5\uc778 Roman Elizarov<\/a>\uac00 \uc791\uc131\ud55c \uae00\uc744 \uc544\ub798\uc5d0\uc11c \ud655\uc778\ud558\uc2e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc790\uc138\ud55c \uc815\ubcf4\ub294 <a href=\"https:\/\/blog.jetbrains.com\/kotlin\/2021\/06\/kotlin-features-survey-edition-2\/#feature-descriptions\">\uae30\ub2a5 \uc124\uba85<\/a> \ubc0f <a href=\"https:\/\/youtu.be\/MBKxQcAxLhk\" target=\"_blank\" rel=\"noopener\">Roman Elizarov, Svetlana Isakova\uc758 \uc6e8\ube44\ub098<\/a>\ub97c \ucc38\uc870\ud558\uc2dc\uae38 \ubc14\ub78d\ub2c8\ub2e4.\u00a0<\/p>\n<div style=\"background-color: #f1f6fe; margin-bottom: 2px; padding: 5px; margin-right: 0%; text-align: left; min-height: px;\">\n<p>\ub2e8, \uc124\ubb38\uc870\uc0ac\uc5d0 \ubaa8\ub4e0 \ub0b4\uc6a9\uc774 \ud3ec\ud568\ub418\uc9c0 \uc54a\uc558\ub2e4\ub294 \uc810\uc5d0 <strong>\uc720\uc758<\/strong>\ud574 \uc8fc\uc138\uc694. \ud604\uc7ac \uac1c\ubc1c \uc911\uc778 \uae30\ub2a5\uc740 \uc124\ubb38\uc870\uc0ac\uc5d0 \ud3ec\ud568\ub418\uc9c0 \uc54a\uc558\uc73c\uba70, \ud3ec\ud568\ub41c \uae30\ub2a5\ub4e4\ub3c4 \uc5ec\ub7ec \ub2e8\uacc4\uc5d0\uc11c \uac1c\ubc1c\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uac00\uc7a5 \ub9ce\uc740 \ud45c\ub97c \uc5bb\uc740 \uae30\ub2a5\uc774\ub77c\ub3c4 Kotlin\uc5d0 \ucd9c\uc2dc\ub41c\ub2e4\ub294 \ubcf4\uc7a5\uc740 \uc5c6\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uc0ac\uc6a9\uc790 \ud22c\ud45c\ub294 \uc7a5\uae30 \uac1c\ubc1c \ub300\uc0c1\uc758 \uc6b0\uc120\uc21c\uc704\ub97c \uc815\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub418\ub294 \uac83\uc774\uba70, 1.6.x \ubc84\uc804\uc5d0\uc11c \uc120\ubcf4\uc77c \uc608\uc815\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n<\/div>\n<p>\uc124\ubb38\uc870\uc0ac\uc5d0\uc11c \uc751\ub2f5\uc790\ub97c \ub300\uc0c1\uc73c\ub85c \ub2e4\uc74c 3\uac00\uc9c0 \uc694\uccad\uc744 \ub4dc\ub838\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li>Kotlin\uc5d0 \ucd94\uac00\ub418\uae38 \ubc14\ub77c\ub294 \uae30\ub2a5\uc744 \ucd5c\ub300 3\uac1c\uae4c\uc9c0 \uc120\ud0dd\ud574 \uc8fc\uc138\uc694(\ud544\uc218 \uc120\ud0dd).<\/li>\n<li>\uad6c\ud604\uc744 \ubc14\ub77c\uc9c0 \uc54a\ub294 \uae30\ub2a5 \ud558\ub098\ub97c \uc54c\ub824\uc8fc\uc138\uc694(\uc120\ud0dd \uc0ac\ud56d).<\/li>\n<li>Kotlin\uc5d0\uc11c \ud574\ub2f9 \uae30\ub2a5\uc744 \uc6d0\uce58 \uc54a\ub294 \uc774\uc720\ub97c \uc124\uba85\ud574 \uc8fc\uc138\uc694(\uc120\ud0dd \uc0ac\ud56d).<\/li>\n<\/ol>\n<p>\ub610\ud55c Kotlin \uc0ac\uc6a9 \uae30\uac04, Kotlin \uc0ac\uc6a9 \ubaa9\uc801, Kotlin\uc73c\ub85c \uc218\ud589\ud558\ub294 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uac1c\ubc1c \uc720\ud615\uc5d0 \ub300\ud55c \uc815\ubcf4\ub97c \uacf5\uc720\ud560 \uc218 \uc788\ub294 \uc635\uc158\uc744 \uc751\ub2f5\uc790\uc5d0\uac8c \uc81c\uacf5\ud558\uc5ec, \uc0ac\uc6a9 \uc0ac\ub840\uc758 \ud2b9\uc131\uc744 \ub354 \uba85\ud655\ud788 \uc774\ud574\ud560 \uc218 \uc788\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc644\ub8cc\ub41c \uc751\ub2f5\uc740 1,540\uac1c\uc785\ub2c8\ub2e4. \uacb0\uacfc\ub97c \uc790\uc138\ud788 \uc0b4\ud3b4\ubcf4\uc2dc\ub824\uba74 <a class=\"ek-link\" href=\"https:\/\/docs.google.com\/spreadsheets\/d\/17cgK6kO--5HmZ3M23sGNdbdWn7MeYe8dKVUNfuvrXbA\/edit#gid=351766805\" target=\"_blank\" rel=\"noopener\">\uc775\uba85 \uc6d0\uc2dc \ub370\uc774\ud130<\/a>\ub97c \ud655\uc778\ud558\uc138\uc694.<\/p>\n<h2>\uac00\uc7a5 \ub9ce\uc740 \uc694\uccad\uc744 \ubc1b\uc740 \uae30\ub2a5<\/h2>\n<p>\ub2e4\uc74c\uc740 \uac00\uc7a5 \ub9ce\uc740 \uc694\uccad\uc744 \ubc1b\uc740 3\uac00\uc9c0 \uae30\ub2a5\uc785\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\ub2e4\uc911 catch \ubc0f \uacf5\uc6a9\uccb4 \ud0c0\uc785(45%)<\/li>\n<li>\uceec\ub809\uc158 \ub9ac\ud130\ub7f4(32%)<\/li>\n<li>\ud655\uc7a5 \ud568\uc218 \ubc0f \ud504\ub85c\ud37c\ud2f0\uc758 \ub2e4\uc591\ud55c \ub9ac\uc2dc\ubc84(30%)<\/li>\n<\/ol>\n<p>\uadf8\ub7ec\ub098 \ub2e4\uc74c \ubaa9\ub85d\uc5d0\uc11c 4~9\uc704\ub85c \uc120\uc815\ub41c \uae30\ub2a5\ub4e4\ub3c4 \ucee4\ubba4\ub2c8\ud2f0\uc5d0\uc11c \ub9ce\uc740 \ucd94\ucc9c\uc744 \ubc1b\uc558\uc2b5\ub2c8\ub2e4. \ud55c\ud3b8, \ud558\uc704 6\uac1c \uae30\ub2a5\uc740 \ubaa8\ub450 \ub9e4\uc6b0 \uc801\uc740 \ud45c\ub97c \uc5bb\uc5c8\uc2b5\ub2c8\ub2e4. \uadf8\uc911 <em>null \uac00\ub2a5 \ubc0f \uae30\ubcf8 \ud0c0\uc785\uc5d0 \ub300\ud55c Lateinit<\/em>, <em>I, &amp;\uc640 \uac19\uc774 \uc624\ubc84\ub85c\ub4dc \uac00\ub2a5\ud55c \ube44\ud2b8 \uc5f0\uc0b0\uc790<\/em> \ub4f1\uc758 \uc77c\ubd80 \uae30\ub2a5\uc740 \uac00\uc7a5 \uc6d0\uce58 \uc54a\ub294 \uae30\ub2a5 \uc0c1\uc704 3\uc704\uc5d0 \uc120\uc815\ub418\uae30\ub3c4 \ud588\uc2b5\ub2c8\ub2e4.<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-211842\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2021\/12\/Future-Features-report-blog-post-4-01.png\" alt=\"\" width=\"1921\" height=\"1401\" \/><\/figure>\n<p><em>\ub2e4\uc911 catch \ubc0f \uacf5\uc6a9\uccb4 \ud0c0\uc785<\/em> \uae30\ub2a5\uc744 \uad6c\ud604\ud558\ub294 \ubc29\uc2dd\uc740 2\uac00\uc9c0 \uc774\uc0c1\uc774\ubbc0\ub85c, \uac00\ub2a5\ud55c 2\uac00\uc9c0 \uad6c\ud604 \ubc29\uc2dd \uc911 \uc120\ud638\ud558\ub294 \ubc29\uc2dd\uc744 Kotlin \ucee4\ubba4\ub2c8\ud2f0\uc5d0 \uc9c8\ubb38\ud588\uc2b5\ub2c8\ub2e4.\u00a0<\/p>\n<ul>\n<li>87%\ub294 \uacf5\uc6a9\uccb4 \ud0c0\uc785\uc744 \uc9c0\uc9c0\ud588\uc2b5\ub2c8\ub2e4. \uacf5\uc6a9\uccb4 \ud0c0\uc785\uc744 \uc0ac\uc6a9\ud558\uba74 \uc804\uc6a9 <code>ParseResult<\/code> \ud0c0\uc785\uc744 \uc0bd\uc785\ud558\uc9c0 \uc54a\uace0\ub3c4 \uac00\ub2a5\ud55c \uac12 \uc911 \ud558\ub098\ub97c \ubc18\ud658\ud558\ub294 \ud568\uc218\ub97c \uc120\uc5b8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>13%\ub294 \ucd5c\uc2e0 Java API\uc5d0\uc11c \uc608\uc678\uac00 \ub0a8\uc6a9\ub418\ub294 \uacbd\uc6b0\uac00 \ubcc4\ub85c \uc5c6\uc73c\ubbc0\ub85c(\ub610\ud55c \uc624\ub798\ub41c Java API\ub294 \uacb0\uad6d \ub300\uccb4\ub420 \uac83\uc774\ubbc0\ub85c), \uc608\uc678\uc5d0 \ud55c\uc815\ub41c \ubcc0\uacbd \uc0ac\ud56d\uc740 \ucd94\uac00\ud558\uc9c0 \uc54a\uc744 \uac83\uc744 \uc81c\uc548\ud588\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uc774\ub7ec\ud55c \uc751\ub2f5\uc790\ub294 Kotlin \uc2a4\ud0c0\uc77c\uc758 \uc624\ub958 \ubc18\ud658 \ud568\uc218\ub97c \ub354 \uc27d\uac8c \uc791\uc131\ud560 \uc218 \uc788\ub3c4\ub85d sealed \ud074\ub798\uc2a4\ub97c \uc120\uc5b8\ud558\ub294 \uac04\uacb0\ud55c \uc5f4\uac70\ud615 \uad6c\ubb38\uc744 \ub354 \uc120\ud638\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>\uac00\uc7a5 \uc6d0\uce58 \uc54a\ub294 \uae30\ub2a5<\/h2>\n<p>\uc751\ub2f5\uc790\ub4e4\uc774 \uc801\uadf9\uc801\uc73c\ub85c \ubc18\ub300\ud55c \uae30\ub2a5\uc740 \uc5c6\uc5c8\uc2b5\ub2c8\ub2e4. 40%\ub294 \ubaa9\ub85d\uc5d0 \ud3ec\ud568\ub41c \uae30\ub2a5\uc744 \uad6c\ud604\ud574\ub3c4 \ubcc4\ub85c \uc0c1\uad00\ud558\uc9c0 \uc54a\ub294\ub2e4\uace0 \uc751\ub2f5\ud588\uc2b5\ub2c8\ub2e4. \uadf8 \uc678\uc758 \uc120\ud0dd \uacb0\uacfc\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ubd84\ud3ec\ub418\uba70 \uc0c1\uc704 3\uac1c\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li>I, &amp;\uc640 \uac19\uc774 \uc624\ubc84\ub85c\ub4dc \uac00\ub2a5\ud55c \ube44\ud2b8 \uc5f0\uc0b0\uc790 10%<\/li>\n<li>package-private \uac00\uc2dc\uc131 7%<\/li>\n<li>null \uac00\ub2a5 \ubc0f \uae30\ubcf8 \ud0c0\uc785\uc5d0 \ub300\ud55c Lateinit 6%<\/li>\n<\/ul>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-212122\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2021\/12\/Future-Features-report-blog-post-4-02-1-1.png\" alt=\"\" width=\"1920\" height=\"1400\" \/><\/figure>\n<h2>\uc751\ub2f5\uc790 \uc815\ubcf4<\/h2>\n<p>\uc751\ub2f5\uc790\uc758 71%\ub294 Kotlin\uc744 2\ub144 \uc774\uc0c1 \uc0ac\uc6a9\ud55c \uacbd\ud5d8\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-211864\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2021\/12\/Future-Features-report-blog-post-3-03.png\" alt=\"\" width=\"1920\" height=\"1080\" \/><\/figure>\n<p>85%\ub294 \ud504\ub85c\ub355\uc158 \ucf54\ub4dc\uc5d0\uc11c Kotlin\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-211886\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2021\/12\/Future-Features-report-blog-post-3-05.png\" alt=\"\" width=\"1920\" height=\"1080\" \/><\/figure>\n<p>\uc751\ub2f5\uc790\ub4e4\uc774 \uac1c\ubc1c\ud55c \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uc720\ud615\ub3c4 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-211897\" src=\"https:\/\/blog.jetbrains.com\/wp-content\/uploads\/2021\/12\/Future-Features-report-blog-post-3-07.png\" alt=\"\" width=\"1920\" height=\"1080\" \/><\/figure>\n<h2>Roman Elizarov\uc758 \uacb0\ub860 \ubc0f \uc0c1\ud0dc \uc5c5\ub370\uc774\ud2b8<\/h2>\n<p>\uac00\uc7a5 \ub9ce\uc740 \ud45c\ub97c \ubc1b\uc740 \uae30\ub2a5\uc740 \uac70\uc758 \ubaa8\ub450 Kotlin \ud300\uc5d0\uc11c \ub2e4\uc591\ud55c \uc5f0\uad6c \ub2e8\uacc4\uc5d0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ub2e4\uc911 catch \ubc0f \uacf5\uc6a9\uccb4 \ud0c0\uc785<\/strong>(<a class=\"ek-link\" href=\"https:\/\/youtrack.jetbrains.com\/issue\/KT-13108\" target=\"_blank\" rel=\"noopener\">KT-13108<\/a>)\uc740 Kotlin\uc5d0 \ucd94\uac00\ub420 \uc218 \uc788\ub294 \uae30\ub2a5 \uc911 \uac00\uc7a5 \ub9ce\uc740 \ud45c\ub97c \uc5bb\uc5c8\uc9c0\ub9cc, \ud1b5\ud569\ud558\uae30 \uac00\uc7a5 \ubcf5\uc7a1\ud55c \uae30\ub2a5\uc774\uae30\ub3c4 \ud569\ub2c8\ub2e4. \uc774 \uae30\ub2a5\uc744 \uad6c\ud604\ud558\ub824\uba74 \ucf54\uc5b4 \ucef4\ud30c\uc77c\ub7ec \ud300\uc758 \uc5ec\ub7ec \uc804\ubb38\uac00\uc640 \ud611\uc5c5\uc774 \ud544\uc694\ud558\ubbc0\ub85c, Kotlin \ud300\uc774 K2 \ucef4\ud30c\uc77c\ub7ec \ud504\ub7f0\ud2b8\uc5d4\ub4dc\ub97c \ud504\ub85c\ub355\uc158 \ub2e8\uacc4\ub85c \uac1c\ubc1c\ud558\uae30\uae4c\uc9c0 \ud070 \uac1c\uc120 \uc0ac\ud56d\uc740 \uc5c6\uc744 \uac83\uc73c\ub85c \uc608\uc0c1\ub429\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \ub9b4\ub9ac\uc2a4 \ud6c4\uc5d0\ub294 \uacf5\uc6a9\uccb4 \ud0c0\uc785 \uac1c\ubc1c\uc744 \uc801\uadf9\uc801\uc73c\ub85c \ucd94\uc9c4\ud560 \uc608\uc815\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\uceec\ub809\uc158 \ub9ac\ud130\ub7f4<\/strong>(<a class=\"ek-link\" href=\"https:\/\/youtrack.jetbrains.com\/issue\/KT-43871\" target=\"_blank\" rel=\"noopener\">KT-43871<\/a>)\uc740 <a class=\"ek-link\" href=\"https:\/\/kotlinlang.org\/docs\/roadmap.html\" target=\"_blank\" rel=\"noopener\">\ud604\uc7ac \uacf5\uac1c\ub41c \ub85c\ub4dc\ub9f5<\/a>\uc5d0 \ud3ec\ud568\ub418\uc9c0 \uc54a\uc558\uc73c\ub098 \ucd5c\uc801\uc758 \uc124\uacc4 \ubc29\uc2dd\uc744 \uc54c\uc544\ubcf4\uae30 \uc704\ud55c \ucd08\uae30 \ud504\ub85c\ud1a0\ud0c0\uc774\ud551\uc774 \uc2e4\uc81c\ub85c \uc2dc\uc791\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\ub2e4\uc591\ud55c \ub9ac\uc2dc\ubc84<\/strong>(<a class=\"ek-link\" href=\"https:\/\/youtrack.jetbrains.com\/issue\/KT-10468\" target=\"_blank\" rel=\"noopener\">KT-10468<\/a>)\ub294 \uace7 \ud14c\uc2a4\ud2b8 \ubc84\uc804\uc73c\ub85c \uc120\ubcf4\uc77c \uc608\uc815\uc785\ub2c8\ub2e4. \uace7 \uc0ac\uc804 \ub9b4\ub9ac\uc2a4 \ucef4\ud30c\uc77c\ub7ec \uc2a4\uc704\uce58\ub97c \ud1b5\ud574 \uc774\uc6a9\ud574\ubcf4\uc2e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub9ce\uc740 \uad00\uc2ec \ubd80\ud0c1\ub4dc\ub9bd\ub2c8\ub2e4!<\/li>\n<li><strong>\uc774\ub984 \uae30\ubc18 \uad6c\uc870 \ubd84\ud574<\/strong>(<a class=\"ek-link\" href=\"https:\/\/youtrack.jetbrains.com\/issue\/KT-19627\" target=\"_blank\" rel=\"noopener\">KT-19627<\/a>)\uc758 \uacbd\uc6b0 \uad6c\ubb38\uc5d0 \ub17c\ub780\uc758 \uc5ec\uc9c0\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c Kotlin \uac1c\ubc1c\uc790\uac00 \ub354 \uc27d\uac8c \uc774\ud574\ud560 \uc218 \uc788\ub294 \uad6c\ubb38 \uc635\uc158\uc744 \uc870\uc0ac\ud558\uae30 \uc704\ud574 \ub2e4\uc591\ud55c \uad6c\ubb38 \uc635\uc158 UX \uc5f0\uad6c\ub97c \uacc4\ud68d\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>&#8216;public&#8217; \ubc0f &#8216;private&#8217; \ud504\ub85c\ud37c\ud2f0 \ud0c0\uc785<\/strong>(<a class=\"ek-link\" href=\"https:\/\/youtrack.jetbrains.com\/issue\/KT-14663\" target=\"_blank\" rel=\"noopener\">KT-14663<\/a>)\uc740 \uc0c8\ub85c\uc6b4 K2 \ucef4\ud30c\uc77c\ub7ec \ud504\ub7f0\ud2b8\uc5d4\ub4dc\uc758 \uc544\ud0a4\ud14d\ucc98\uc5d0\uc11c \ube44\uad50\uc801 \uc27d\uac8c \uad6c\ud604\ud560 \uc218 \uc788\uc73c\uba70, \uc0c8 \ucef4\ud30c\uc77c\ub7ec\uc5d0\uc11c \ud14c\uc2a4\ud2b8 \ubc84\uc804\uc73c\ub85c \uc9c0\uc6d0\ub420 \uc608\uc815\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>package-private \uac00\uc2dc\uc131<\/strong>(<a class=\"ek-link\" href=\"https:\/\/youtrack.jetbrains.com\/issue\/KT-29227\" target=\"_blank\" rel=\"noopener\">KT-29227<\/a>)\uc740 \ub9ce\uc740 \uc694\uccad\uc744 \ubc1b\uc740 \uae30\ub2a5 \uc911 \ud558\ub098\uc600\uc9c0\ub9cc &#8216;\uac00\uc7a5 \uc6d0\uce58 \uc54a\ub294&#8217; \uae30\ub2a5 \ud22c\ud45c\uc5d0\uc11c\ub3c4 2\uc704\ub85c \uc120\uc815\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774 \uae30\ub2a5\uc740 \ub2e4\uc591\ud55c \uc124\uacc4 \uc635\uc158\uc774 \uc788\uace0, \uadf8\uc911 \uc77c\ubd80\ub294 \ucd08\ubcf4 \uac1c\ubc1c\uc790\uc758 \uc120\ud0dd\uc9c0\ub97c \ub298\ub9ac\ubbc0\ub85c, Kotlin \ud559\uc2b5\uc758 \ubd80\ub2f4\uc744 \uac00\uc911\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. Kotlin \ud300\uc740 \uc774 \ubb38\uc81c\ub97c \uc9c4\uc9c0\ud558\uac8c \uace0\ubbfc\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. Kotlin \uac00\uc2dc\uc131\uc744 \uc124\uacc4\ud558\ub294 \uae30\uc874 \uc811\uadfc \ubc29\uc2dd\uacfc \ub9c8\ucc2c\uac00\uc9c0\ub85c, Kotlin \uac1c\ubc1c\uc790\uc758 \ucf54\ub4dc\ubca0\uc774\uc2a4 \uad6c\uc131 \ubc29\ubc95, Kotlin \ucca0\ud559\uc5d0 \ubd80\ud569\ud558\ub294 \uc194\ub8e8\uc158\uc774\ub098 \ub514\ud3f4\ud2b8 \uac12\uc758 \uc720\ud615, \ud3b8\ub9ac\ud55c \uc2dc\uc791\uc744 \uc9c0\uc6d0\ud558\ub418 \ud504\ub85c\uc81d\ud2b8\uc758 \ubcf5\uc7a1\uc131\uc774 \uc99d\uac00\ud574\ub3c4 \uc870\uc815\ud558\uace0 \uc0ac\uc6a9\uc790 \uc9c0\uc815\ud560 \uc218 \uc788\ub294 \ub514\ud3f4\ud2b8 \uac12 \ub4f1\uc744 \ud604\uc7ac \uc2e4\uc81c \ub370\uc774\ud130\uc5d0 \uae30\ubc18\ud558\uc5ec \uc5f0\uad6c\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p><em>\uac8c\uc2dc\ubb3c \uc6d0\ubb38 \uc791\uc131\uc790<\/em><\/p>\n\n    <div class=\"about-author \">\n        <div class=\"about-author__box\">\n            <div class=\"row\">\n                <div class=\"about-author__box-img\">\n                    <img decoding=\"async\" src=\"https:\/\/secure.gravatar.com\/avatar\/?s=200&#038;r=g\" width=\"200\" height=\"200\" alt=\"\" loading=\"lazy\"  class=\"avatar avatar-200 wp-user-avatar wp-user-avatar-200 photo avatar-default\">\n                <\/div>\n                <div class=\"about-author__box-text\">\n                                                        <\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n","protected":false},"author":964,"featured_media":211915,"comment_status":"closed","ping_status":"closed","template":"","categories":[89],"tags":[],"cross-post-tag":[],"acf":[],"_links":{"self":[{"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/kotlin\/216731"}],"collection":[{"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/kotlin"}],"about":[{"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/types\/kotlin"}],"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=216731"}],"version-history":[{"count":5,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/kotlin\/216731\/revisions"}],"predecessor-version":[{"id":216737,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/kotlin\/216731\/revisions\/216737"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/media\/211915"}],"wp:attachment":[{"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/media?parent=216731"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/categories?post=216731"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/tags?post=216731"},{"taxonomy":"cross-post-tag","embeddable":true,"href":"https:\/\/blog.jetbrains.com\/ko\/wp-json\/wp\/v2\/cross-post-tag?post=216731"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}