{"id":52885,"date":"2017-07-20T10:00:09","date_gmt":"2017-07-20T01:00:09","guid":{"rendered":"https:\/\/codeiq.jp\/magazine\/?p=52885"},"modified":"2018-10-10T14:37:35","modified_gmt":"2018-10-10T05:37:35","slug":"20160720_c21_iq","status":"publish","type":"post","link":"https:\/\/next.rikunabi.com\/journal\/20160720_c21_iq\/","title":{"rendered":"\u30b5\u30a4\u30d0\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306b\u300cKotlin\u300d\u3092\u63a1\u7528\u3057\u305f\u81ea\u793eAndroid\u30a2\u30d7\u30ea\u958b\u767a\u306e\u821e\u53f0\u88cf\u3092\u805e\u3044\u3066\u307f\u305f"},"content":{"rendered":"<p>\u65b0\u3057\u3044Android\u30a2\u30d7\u30ea\u958b\u767a\u8a00\u8a9e\u3068\u3057\u3066\u6ce8\u76ee\u3055\u308c\u308b\u300cKotlin\uff08\u30b3\u30c8\u30ea\u30f3\uff09\u300d\u3002\u4eca\u5e74\u304b\u3089Google\u3082\u3053\u308c\u3092\u6b63\u5f0f\u306b\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u3053\u3068\u306b\u306a\u3063\u305f\u3002<br \/>\n\u305d\u308c\u4ee5\u524d\u304b\u3089\u56fd\u5185\u306b\u5148\u99c6\u3051\u3001\u81ea\u793e\u30b5\u30fc\u30d3\u30b9\u958b\u767a\u306bKotlin\u3092\u4f7f\u3063\u3066\u304d\u305f\u30b5\u30a4\u30d0\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306e\u300cFRESH!\u300d\u30c1\u30fc\u30e0\u306b\u3001Kotlin\u306e\u9b45\u529b\u3001\u4eca\u5f8c\u306eKotlin\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306e\u767a\u5c55\u306a\u3069\u306b\u3064\u3044\u3066\u805e\u3044\u305f\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2017\/07\/42A4979.jpg\" alt=\"\" width=\"640\" height=\"413\" class=\"alignnone size-full wp-image-68235\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2017\/07\/42A4979.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2017\/07\/42A4979-300x194.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<h2>Google\u3082\u6b63\u5f0f\u30b5\u30dd\u30fc\u30c8\u3092\u8868\u660e<\/h2>\n<p>\u300c\u3044\u307e\u3001Kotlin\u306e\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306f\u304b\u306a\u308a\u76db\u308a\u4e0a\u304c\u3063\u3066\u307e\u3059\u3088\uff01\u300d<\/p>\n<p>\u958b\u53e3\u4e00\u756a\u3001\u5b09\u3057\u305d\u3046\u306b\u8a9e\u308b\u306e\u306f\u3001\u30b5\u30a4\u30d0\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306e\u85e4\u539f\u8056\u6c0f\u3060\u3002<\/p>\n<p>Kotlin\u306fJetBrains\u793e\u304c\u958b\u767a\u3057\u305f\u3001JVM\u4e0a\u3067\u52d5\u4f5c\u3059\u308b\u9759\u7684\u578b\u4ed8\u3051\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3002\u8907\u96d1\u3067\u80a5\u5927\u5316\u3057\u4e92\u63db\u6027\u554f\u984c\u3067\u786c\u76f4\u3057\u3066\u304d\u305f\u3068\u3082\u8a00\u308f\u308c\u308bJava\u306e\u8a00\u8a9e\u4ed5\u69d8\u3092\u89e3\u6d88\u3059\u308b\u305f\u3081\u3001\u7c21\u7d20\u5316\u304a\u3088\u3073\u5b89\u5b9a\u6027\u3068\u6a5f\u80fd\u6027\u3092\u9ad8\u3081\u308b\u3053\u3068\u3092\u72d9\u3063\u305f\u65b0\u3057\u3044\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3060\u3002<\/p>\n<p>\u305d\u306e\u5b58\u5728\u306f\u4ee5\u524d\u304b\u3089\u77e5\u3089\u308c\u3066\u3044\u305f\u304c\u30012017\u5e745\u6708\u3001\u30b5\u30f3\u30d5\u30e9\u30f3\u30b7\u30b9\u30b3\u3067\u958b\u50ac\u3055\u308c\u305f\u300cGoogle I\/O 2017\u300d\u3067\u3001Google\u304cKotlin\u3092Android\u30a2\u30d7\u30ea\u958b\u767a\u8a00\u8a9e\u3068\u3057\u3066\u6b63\u5f0f\u306b\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u3053\u3068\u3092\u767a\u8868\u3057\u305f\u306e\u3060\u3002\u3053\u306e\u30ab\u30f3\u30d5\u30a1\u30ec\u30f3\u30b9\u306b\u53c2\u52a0\u3057\u3066\u3044\u305f\u85e4\u539f\u6c0f\u306f\u3001\u305d\u306e\u3068\u304d\u306e\u8208\u596e\u304c\u3044\u307e\u306a\u304a\u53ce\u307e\u3089\u306a\u3044\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2017\/07\/42A4911.jpg\" alt=\"\" width=\"640\" height=\"421\" class=\"alignnone size-full wp-image-68236\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2017\/07\/42A4911.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2017\/07\/42A4911-300x197.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><span style=\"font-size: 80%;\">\u25b2<strong>\u682a\u5f0f\u4f1a\u793e\u30b5\u30a4\u30d0\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8 \u85e4\u539f \u8056\u6c0f<\/strong><br \/>2011\u5e74\u30b5\u30a4\u30d0\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u4e2d\u9014\u5165\u793e\u3002\u5165\u793e\u5f8c\u306f\u3001Android\u30a8\u30f3\u30b8\u30cb\u30a2\u3068\u3057\u3066\u6570\u3005\u306e\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u30b5\u30fc\u30d3\u30b9\u306e\u958b\u767a\u3001\u904b\u55b6\u306b\u643a\u308f\u3063\u305f\u5f8c\u30012015\u5e744\u6708\u3088\u308a\u6620\u50cf\u914d\u4fe1\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u300c<a href=\"https:\/\/freshlive.tv\/\" target=\"_blank\">FRESH!<\/a>\u300d\u306e\u7acb\u3061\u4e0a\u3052\u306b\u53c2\u753b\u3002\u305d\u306e\u5f8c\u30012016\u5e749\u6708\u3088\u308a\u30e1\u30c7\u30a3\u30a2\u7d71\u62ec\u672c\u90e8 \u6280\u8853\u6226\u7565\u5ba4 \u30c6\u30af\u30cb\u30ab\u30eb\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u3092\u52d9\u3081\u308b\u3002<\/span><\/p>\n<p>\u300c\u5b9f\u306f2016\u5e74\u306eGoogle I\/O\u3067Kotlin\u306b\u95a2\u3057\u3066\u4f55\u3089\u304b\u306e\u767a\u8868\u304c\u3042\u308b\u3068\u601d\u3063\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001\u305d\u306e\u3068\u304d\u306b\u306f\u306a\u304f\u3066\u3002Google\u306f\u958b\u767a\u8a00\u8a9e\u306e\u6b63\u5f0f\u30b5\u30dd\u30fc\u30c8\u306a\u3069\u306f\u3057\u306a\u3044\u306e\u3082\u306e\u306a\u306e\u304b\u306a\u3068\u601d\u3063\u3066\u3044\u305f\u306e\u3067\u3001\u4eca\u5e74\u306e\u30ad\u30fc\u30ce\u30fc\u30c8\u3067\u767a\u8868\u3055\u308c\u3066\u672c\u5f53\u306b\u3073\u3063\u304f\u308a\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u3059\u3067\u306b\u4e16\u754c\u3067\u306e\u5229\u7528\u5b9f\u7e3e\u304c\u9ad8\u307e\u3063\u3066\u3044\u308b\u3053\u3068\u306b\u52a0\u3048\u3001\u6280\u8853\u7684\u30c1\u30e3\u30ec\u30f3\u30b8\u304c\u597d\u304d\u306a\u30a8\u30f3\u30b8\u30cb\u30a2\u307b\u3069\u3001Kotlin\u3092\u4f7f\u3063\u3066\u3044\u308b\u3068\u3044\u3046\u4e8b\u5b9f\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u305d\u3046\u3057\u305f\u5148\u9032\u7684\u306a\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u4eca\u5f8c\u3082Android\u958b\u767a\u306b\u60f9\u304d\u3064\u3051\u308b\u305f\u3081\u306b\u3082\u3001Kotlin\u306e\u6b63\u5f0f\u30b5\u30dd\u30fc\u30c8\u8868\u660e\u304c\u5fc5\u8981\u3060\u3063\u305f\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u601d\u3063\u3066\u3044\u307e\u3059\u300d<\/p>\n<p>\u85e4\u539f\u6c0f\u304c\u5b09\u3057\u304c\u308b\u306e\u306f\u8a00\u3046\u307e\u3067\u3082\u306a\u3044\u3002Kotlin\u304c\u307e\u3060\u30de\u30a4\u30eb\u30b9\u30c8\u30fc\u30f311\u3068\u3044\u3046\u6642\u4ee3\u304b\u3089\u305d\u306e\u6709\u7528\u6027\u306b\u6ce8\u76ee\u3057\u3001\u81ea\u793e\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u5c0e\u5165\u3057\u3066\u3044\u305f\u304b\u3089\u3060\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2017\/07\/42A4892.jpg\" alt=\"\" width=\"640\" height=\"427\" class=\"alignnone size-full wp-image-68237\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2017\/07\/42A4892.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2017\/07\/42A4892-300x200.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>2015\u5e744\u6708\u304b\u3089\u958b\u767a\u304c\u59cb\u307e\u3063\u305f\u6620\u50cf\u914d\u4fe1\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u30d5\u30a9\u30fc\u30e0\u300c<a href=\"https:\/\/freshlive.tv\/\" target=\"_blank\">FRESH!<\/a>\u300d\u306eAndroid\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306eKotlin\u306b\u3088\u308b\u5b9f\u88c5\u306f\u3001\u3082\u3061\u308d\u3093\u30b5\u30a4\u30d0\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u5185\u3067\u306f\u521d\u3081\u3066\u3001\u56fd\u5185\u5916\u3067\u3082\u65e9\u3044\u53d6\u308a\u7d44\u307f\u3060\u3002\u73fe\u5728\u306f\u300cFRESH!\u300d\u306e\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u306e\u4e00\u90e8\u3082Kotlin\u3067\u66f8\u304b\u308c\u3066\u3044\u308b\u3002<\/p>\n<p>Kotlin\u306e\u5c0e\u5165\u306f\u71ce\u539f\u306e\u706b\u306e\u3054\u3068\u304f\u6025\u901f\u306b\u5e83\u304c\u308b\u6c17\u914d\u304c\u3042\u308b\u3002\u4f8b\u3048\u3070\u65e5\u672c\u3067\u306f\u3001Sansan\u306e\u300cEight\u300d\u3001\u30c8\u30af\u30d0\u30a4\u306e\u300c\u30c8\u30af\u30d0\u30a4\u300d\u3001\u30a8\u30e0\u30b9\u30ea\u30fc\u306e\u300cMR\u541b\u300d\u3001Retty\u306e\u300cRetty\u300d\u3001\u30a8\u30a6\u30ec\u30ab\u306e\u300cPairs\u300d\u306a\u3069\u3001Kotlin\u3067\u306e\u958b\u767a\u3092\u8868\u660e\u3059\u308b\u30b5\u30fc\u30d3\u30b9\u304c\u7d9a\u3005\u3068\u8a95\u751f\u3057\u3066\u3044\u308b\u3002<\/p>\n<div id=\"custom_html-20\"  data-animation-event=\"enters\"  class=\"widget_text widget widget-container widget_custom_html\"><div class=\"textwidget custom-html-widget\"><div class=\"tk_jobsearch\">\n<div class=\"tk_jobsearch_button\">\n<p class=\"single-button-lead\">8,568\u901a\u308a\u3001\u3042\u306a\u305f\u306f\u3069\u306e\u30bf\u30a4\u30d7\uff1f<\/p>\n<p class=\"single-button-link\"><a href=\"https:\/\/next.rikunabi.com\/journal\/goodpoint-shindan\/?cminr=rnnj-goodpoint-secondbutton\" rel=\"noopener noreferrer\">\u30b0\u30c3\u30c9\u30dd\u30a4\u30f3\u30c8\u8a3a\u65ad<\/a><\/p>\n<\/div>\n<\/div>\n<\/div><\/div><h2>\u300c\u3044\u3064\u3067\u3082Java\u306b\u623b\u308c\u308b\u300d\u3092\u5408\u3044\u8a00\u8449\u306b\u958b\u767a\u30b9\u30bf\u30fc\u30c8<\/h2>\n<p>Kotlin\u304cAndroid\u30a2\u30d7\u30ea\u958b\u767a\u8005\u306b\u9ad8\u3044\u95a2\u5fc3\u3092\u3082\u3063\u3066\u8fce\u3048\u3089\u308c\u3066\u3044\u308b\u7406\u7531\u306f\u4f55\u304b\u3002\u4e00\u3064\u306f\u3001Java\u3068\u306e100\uff05\u4e92\u63db\u6027\u3060\u3002<\/p>\n<p>\u300cAndroid\u3067\u4f7f\u308f\u308c\u3066\u3044\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u306f\u305d\u306e\u307e\u307e\u4f7f\u3048\u308b\u3002\u307e\u305f\u3001\u4f55\u304b\u554f\u984c\u304c\u3042\u3063\u305f\u3089Java\u306b\u3059\u3050\u623b\u308c\u308b\u3002FRESH!\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3082\u3001\u4f55\u304b\u3042\u3063\u305f\u3089Java\u306b\u623b\u308d\u3046\u3068\u3044\u3046\u306e\u304c\u85e4\u539f\u3055\u3093\u306e\u53e3\u7656\u3067\u3057\u305f\u300d<\/p>\n<p>\u3068\u632f\u308a\u8fd4\u308b\u306e\u306f\u30012015\u5e744\u6708\u5165\u793e\u3067\u3044\u304d\u306a\u308aKotlin\u3068\u3044\u3046\u521d\u3081\u3066\u306e\u8a00\u8a9e\u3092\u4f7f\u3046\u3053\u3068\u306b\u306a\u3063\u305f\u3001\u8352\u8c37\u5149\u6c0f\u3060\u3002<\/p>\n<p>\u8352\u8c37\u6c0f\u306f\u65b0\u5352\u5165\u793e\u306a\u304c\u3089\u3001\u5927\u5b66\u30fb\u5927\u5b66\u9662\u3092\u901a\u3057\u3066\u4e00\u8cab\u3057\u3066Android\u958b\u767a\u306b\u643a\u308f\u3063\u3066\u304d\u3066\u304a\u308a\u3001Java\u3068\u3044\u3046\u8a00\u8a9e\u306e\u786c\u76f4\u6027\u306b\u3064\u3044\u3066\u3082\u719f\u77e5\u3057\u3066\u3044\u305f\u3002<\/p>\n<p>\u300c\u4f1a\u793e\u3067\u3082Android\u958b\u767a\u306f\u7d9a\u3051\u305f\u304b\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u3069\u3046\u305b\u3084\u308b\u3093\u3060\u3063\u305f\u3089\u65b0\u3057\u3044\u8a00\u8a9e\u3067\u3084\u308a\u305f\u304b\u3063\u305f\u300d\u3068\u3001Kotlin\u3078\u306e\u30c1\u30e3\u30ec\u30f3\u30b8\u306b\u30ef\u30af\u30ef\u30af\u3057\u305f\u4e00\u4eba\u3060\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2017\/07\/42A4838.jpg\" alt=\"\" width=\"640\" height=\"419\" class=\"alignnone size-full wp-image-68238\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2017\/07\/42A4838.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2017\/07\/42A4838-300x196.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><span style=\"font-size: 80%;\">\u25b2<strong>\u682a\u5f0f\u4f1a\u793e\u30b5\u30a4\u30d0\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8 \u8352\u8c37 \u5149\u6c0f<\/strong><br \/>\u5185\u5b9a\u8005\u6642\u4ee3\u306b\u30a2\u30d7\u30ea\u7248\u300cAmeba\u300d\u3067\u306eAndroid\u958b\u767a\u3092\u7d4c\u3066\u30012015\u5e74\u30b5\u30a4\u30d0\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u65b0\u5352\u5165\u793e\u3002\u7814\u4fee\u7d42\u4e86\u5f8c\u306e2015\u5e746\u6708\u3088\u308a\u300cFRESH!\u300d\u30c1\u30fc\u30e0\u306b\u30b8\u30e7\u30a4\u30f3\u3057\u30012016\u5e749\u6708\u3088\u308a\u6620\u50cf\u914d\u4fe1\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u300cFRESH!\u300dAndroid\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30fc\u30c0\u30fc\u3092\u52d9\u3081\u308b\u3002<\/span><\/p>\n<p>2015\u5e74\u306e\u958b\u767a\u5f53\u521d\u3001\u53c2\u8003\u306b\u306a\u308b\u65e5\u672c\u8a9e\u306e\u60c5\u5831\u306f\u30012012\u5e74\u306e\u6bb5\u968e\u3067\u3059\u3067\u306bKotlin\u306b\u7740\u76ee\u3057\u3001\u56fd\u5185\u3067\u306e\u30a8\u30d0\u30f3\u30b8\u30a7\u30ea\u30b9\u30c8\u3092\u81ea\u79f0\u3059\u308b\u9577\u6fa4\u592a\u90ce\u6c0f\uff08\u65e5\u672cKotlin\u30e6\u30fc\u30b6\u30fc\u30b0\u30eb\u30fc\u30d7\u4ee3\u8868\u3001\u30a8\u30e0\u30b9\u30ea\u30fc\u6240\u5c5e\uff09\u304c\u767a\u4fe1\u3059\u308b\u60c5\u5831\u3050\u3089\u3044\u3067\u3057\u305f\u3002<\/p>\n<p>Kotlin\u306e\u8a00\u8a9e\u4ed5\u69d8\u3092\u7406\u89e3\u3059\u308b\u3046\u3048\u3067\u3001\u85e4\u539f\u6c0f\u3068\u8352\u8c37\u6c0f\u304c\u6700\u3082\u53c2\u8003\u306b\u3057\u305f\u306e\u306f\u3001Kotlin\u306e\u30aa\u30d5\u30a3\u30b7\u30e3\u30eb\u30b5\u30a4\u30c8\u304c\u82f1\u8a9e\u3067\u767a\u4fe1\u3059\u308b\u60c5\u5831\u3060\u3063\u305f\u3002<\/p>\n<p>\u300c\u5f8c\u767a\u306e\u8a00\u8a9e\u306a\u306e\u306b\u3001\u3068\u3044\u3046\u304b\u305d\u308c\u3086\u3048\u306b\u3001\u30aa\u30d5\u30a3\u30b7\u30e3\u30eb\u30b5\u30a4\u30c8\u306e\u60c5\u5831\u306f\u3088\u304f\u6574\u7406\u3055\u308c\u3066\u304a\u308a\u3001\u4e01\u5be7\u3067\u308f\u304b\u308a\u3084\u3059\u304b\u3063\u305f\u3002\u3053\u308c\u304c\u4e16\u754c\u306b\u6025\u901f\u306b\u30e6\u30fc\u30b6\u30fc\u3092\u5e83\u3081\u308b\u539f\u52d5\u529b\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u306f\u305f\u3057\u304b\u3067\u3059\u300d\uff08\u8352\u8c37\u6c0f\uff09\u3002<\/p>\n<p>Android\u958b\u767a\u3067\u6b20\u304b\u305b\u306a\u3044\u7d71\u5408\u958b\u767a\u74b0\u5883\uff08IDE\uff09\u300cAndroid Studio\u300d\u304c\u7b2c\u4e00\u7d1a\u306e\u8a00\u8a9e\u3068\u3057\u3066Kotlin\u3092\u63a8\u5968\u3057\u3001\u305d\u308c\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u70b9\u3082\u91cd\u8981\u3060\u3002<\/p>\n<p>\u300cAndroid Studio\u300d\u306f\u3082\u3068\u3082\u3068JetBrains\u793e\u304c\u958b\u767a\u3057\u305f\u300cIntelliJ IDEA\u300d\u3092\u30d9\u30fc\u30b9\u306bAndroid\u958b\u767a\u306b\u6700\u9069\u5316\u3055\u308c\u305f\u3082\u306e\u3067\u3042\u308a\u3001Kotlin\u3068\u306e\u89aa\u548c\u6027\u304c\u9ad8\u3044\u306e\u3060\u3002<\/p>\n<div id=\"custom_html-21\"  data-animation-event=\"enters\"  class=\"widget_text widget widget-container widget_custom_html\"><div class=\"textwidget custom-html-widget\"><div class=\"tk_jobsearch\">\n<div class=\"tk_jobsearch_button\">\n<p class=\"single-button-lead\">8,568\u901a\u308a\u3001\u3042\u306a\u305f\u306f\u3069\u306e\u30bf\u30a4\u30d7\uff1f<\/p>\n<p class=\"single-button-link\"><a href=\"https:\/\/next.rikunabi.com\/journal\/goodpoint-shindan\/?cminr=rnnj-goodpoint-thirdbutton\" rel=\"noopener noreferrer\">\u30b0\u30c3\u30c9\u30dd\u30a4\u30f3\u30c8\u8a3a\u65ad<\/a><\/p>\n<\/div>\n<\/div>\n<\/div><\/div><h2>Syntax\u304c\u30e2\u30c0\u30f3\u3067\u7f8e\u3057\u3044\u3002NullPointerException\u56de\u907f\u306e\u5de5\u592b\u3082<\/h2>\n<p>\u305d\u3057\u3066Kotlin\u306e\u6700\u5927\u306e\u9b45\u529b\u3068\u3044\u3048\u3070\u3001\u305d\u306e\u8a00\u8a9e\u306e\u30e2\u30c0\u30f3\u3055\u3060\u3002<\/p>\n<p>\u300c\u306a\u306b\u3088\u308aSyntax\u304c\u30e2\u30c0\u30f3\u3067\u7c21\u6f54\u3002\u305d\u306e\u7f8e\u3057\u3055\u306b\u604b\u306b\u843d\u3061\u305f\u3068\u3044\u3046\u30a8\u30f3\u30b8\u30cb\u30a2\u3082\u3044\u308b\u3050\u3089\u3044\u3067\u3059\u3002Java\u3060\u3068\u672c\u8cea\u7684\u3067\u306f\u306a\u3044\u304c\u3001\u304a\u6c7a\u307e\u308a\u3067\u66f8\u304b\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u69cb\u6587\u304c\u305f\u304f\u3055\u3093\u3042\u308b\u306e\u3067\u3059\u304c\u3001\u305d\u3046\u3044\u3046\u30dc\u30a4\u30e9\u30fc\u30d7\u30ec\u30fc\u30c8\u7684\u306a\u3082\u306e\u304cKotlin\u306b\u306f\u307b\u3068\u3093\u3069\u3042\u308a\u307e\u305b\u3093\u300d\uff08\u85e4\u539f\u6c0f\uff09<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2017\/07\/42A4934.jpg\" alt=\"\" width=\"640\" height=\"427\" class=\"alignnone size-full wp-image-68239\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2017\/07\/42A4934.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2017\/07\/42A4934-300x200.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>\u307b\u304b\u306b\u3082Java\u3068\u6bd4\u8f03\u3057\u305f\u969b\u306e\u512a\u4f4d\u6027\u306f\u3044\u304f\u3064\u3082\u3042\u308b\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001Kotlin\u306b\u306f\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u64cd\u4f5c\u306e\u305f\u3081\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u305f\u304f\u3055\u3093\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u3002Java\u3067\u306eAndroid\u30a2\u30d7\u30ea\u958b\u767a\u306b\u306f\u3001Retrolamda\u3092\u5c0e\u5165\u3057\u306a\u3044\u9650\u308a\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u304b\u3063\u305f\u30e9\u30e0\u30c0\u5f0f\u306b\u3082\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001\u62e1\u5f35\u95a2\u6570\u3001\u9045\u5ef6\u521d\u671f\u5316\u3001\u6f14\u7b97\u5b50\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3001\u30a8\u30eb\u30d3\u30b9\u6f14\u7b97\u5b50\u306a\u3069\u3001Java\u306b\u306f\u306a\u3044\u4fbf\u5229\u306a\u6587\u6cd5\u3082\u591a\u6570\u5b58\u5728\u3059\u308b\u3002\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306e\u7528\u610f\u3055\u3082\u7279\u7b46\u3082\u306e\u3060\u3002<\/p>\n<p>\u300cAndroid\u958b\u767a\u3067\u843d\u3061\u308b\u539f\u56e0\u306e\u5927\u534a\u306f\u3001NullPointerException\u306e\u30a8\u30e9\u30fc\u306a\u3093\u3067\u3059\u304c\u3001\u305d\u308c\u304c\u767a\u751f\u3057\u306a\u3044\u3088\u3046\u306b\u3042\u3089\u304b\u3058\u3081\u8a2d\u8a08\u3055\u308c\u3066\u3044\u308b\u3002Kotlin\u3067\u306f\u5909\u6570\u5b9a\u7fa9\u6642\u306b\u305d\u306e\u5909\u6570\u304cNull\u8a31\u5bb9\u578b\u304bNull\u975e\u8a31\u5bb9\u578b\u304b\u3069\u3046\u304b\u3092\u5b9a\u7fa9\u3059\u308b\u5fc5\u8981\u3042\u308b\u306e\u3067\u3059\u304c\u3001\u3053\u306e\u53b3\u5bc6\u306a\u533a\u5225\u306e\u304a\u304b\u3052\u3067\u3001NullPointerException\u3092\u6975\u529b\u56de\u907f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u8ab0\u3082\u304c\u3088\u308a\u30e1\u30f3\u30c6\u30ca\u30d3\u30ea\u30c6\u30a3\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u304c\u66f8\u3051\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u300d\uff08\u8352\u8c37\u6c0f\uff09<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2017\/07\/42A4886.jpg\" alt=\"\" width=\"640\" height=\"427\" class=\"alignnone size-full wp-image-68240\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2017\/07\/42A4886.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2017\/07\/42A4886-300x200.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>\u306a\u306b\u3088\u308a\u8352\u8c37\u6c0f\u304c\u6c17\u306b\u5165\u3063\u3066\u3044\u308b\u306e\u306f\u3001Kotlin\u304c\u300c\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u5c0f\u8aac\u3060\u300d\u3068\u3044\u3046\u8003\u3048\u65b9\u3092\u5fe0\u5b9f\u306b\u53cd\u6620\u3067\u304d\u308b\u958b\u767a\u8a00\u8a9e\u3060\u3068\u3044\u3046\u3053\u3068\u3060\u3002<\/p>\n<p>\u300c\u3053\u306e\u8a00\u8449\u306f\u3001\u5b9f\u306f\u85e4\u539f\u3055\u3093\u306e\u53e3\u7656\u3002\u65b0\u4eba\u7814\u4fee\u306e\u6642\u304b\u3089\u53e3\u9178\u3063\u3071\u304f\u8a00\u308f\u308c\u3066\u3044\u307e\u3057\u305f(\u7b11)\u300d<\/p>\n<p>\u3064\u307e\u308a\u3053\u3046\u3044\u3046\u3053\u3068\u3060\u3002\u300c\u79c1\u300d\u3068\u3044\u3046\u4e00\u4eba\u79f0\u3067\u66f8\u304b\u308c\u3066\u3044\u308b\u5c0f\u8aac\u304c\u3042\u3063\u305f\u3068\u3059\u308b\u3002\u3068\u3053\u308d\u304c\u9014\u4e2d\u3067\u4e3b\u4eba\u516c\u304c\u81ea\u5206\u3092\u300c\u50d5\u300d\u3068\u547c\u3076\u3088\u3046\u306b\u306a\u308b\u3002\u4eba\u79f0\u4ee3\u540d\u8a5e\u306e\u5909\u5316\u306f\u4e3b\u4eba\u516c\u306e\u5fc3\u5883\u306e\u5909\u5316\u3092\u7269\u8a9e\u3063\u3066\u3044\u308b\u3002<\/p>\n<p>\u300c\u30d7\u30ed\u30b0\u30e9\u30e0\u3082\u540c\u3058\u3067\u3001\u3053\u3053\u3060\u3051\u9055\u3046\u66f8\u304d\u65b9\u304c\u3055\u308c\u3066\u3044\u305f\u3089\u3001\u305d\u3053\u306b\u610f\u5473\u304c\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u306a\u306e\u3067\u3059\u3002\u5c0f\u8aac\u3068\u540c\u3058\u3067\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u305f\u3093\u306b\u52d5\u3051\u3070\u3044\u3044\u306e\u3067\u306f\u306a\u304f\u3001\u30b3\u30fc\u30c9\u306e\u8aad\u307f\u624b\u306b\u660e\u78ba\u306b\u610f\u5473\u304c\u4f1d\u308f\u308b\u306e\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002\u30b3\u30fc\u30c9\u306e\u4e2d\u306e\u30b9\u30c8\u30fc\u30ea\u30fc\u306e\u5909\u5316\u3001Kotlin\u306f\u305d\u308c\u3092\u3046\u307e\u304f\u8a18\u8ff0\u3067\u304d\u308b\u8a00\u8a9e\u3060\u3068\u601d\u3044\u307e\u3059\u300d\u3068\u85e4\u539f\u6c0f\u306f\u8a55\u4fa1\u3059\u308b\u3002<\/p>\n<p>\u3080\u308d\u3093\u3001\u73fe\u5728\u306eKotlin\u304c\u30d1\u30fc\u30d5\u30a7\u30af\u30c8\u3068\u3044\u3046\u308f\u3051\u3067\u306f\u306a\u3044\u3002\u7279\u306bJava\u4e92\u63db\u6027\u306b\u304a\u3051\u308b\u5f31\u70b9\u306f\u3044\u307e\u3060\u6b8b\u308b\u3002<\/p>\n<p>\u300cJava\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092Kotlin\u3067\u4f7f\u3046\u3068\u304d\u306b\u306f\u3001\u305d\u306e\u6642\u70b9\u3067\u306f\u5909\u6570\u304cNull 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loading=\"lazy\" decoding=\"async\" src=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2017\/07\/42A4948.jpg\" alt=\"\" width=\"640\" height=\"426\" class=\"alignnone size-full wp-image-68242\" srcset=\"https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2017\/07\/42A4948.jpg 640w, https:\/\/next.rikunabi.com\/journal\/wp-content\/uploads\/2017\/07\/42A4948-300x200.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" 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href=\"https:\/\/developers.cyberagent.co.jp\/blog\/archives\/8044\/\" target=\"_blank\">\u305f\u308d\u3046\u3055\u3093\u3068\u4e00\u7dd2\u306bKotlin\u52c9\u5f37\u4f1a! 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