{"id":678,"date":"2013-03-25T07:21:52","date_gmt":"2013-03-24T22:21:52","guid":{"rendered":"http:\/\/yucchi.jp\/blog\/?p=678"},"modified":"2013-04-24T20:26:32","modified_gmt":"2013-04-24T11:26:32","slug":"netbeans-8-dev-%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6-lambda-%e3%81%a7%e9%81%8a%e3%81%b6%e3%80%80%e3%81%9d%e3%81%ae%ef%bc%95","status":"publish","type":"post","link":"http:\/\/yucchi.jp\/blog\/?p=678","title":{"rendered":"NetBeans 8 Dev \u3092\u4f7f\u3063\u3066 Lambda \u3067\u904a\u3076\u3000\u305d\u306e\uff15"},"content":{"rendered":"<p>\u4eca\u65e5\u3082 Java 8 \u306b\u5099\u3048\u3066\u826f\u304f\u89e3\u3089\u306a\u3044\u3051\u3069\u672a\u6765\u306e\u30b3\u30fc\u30c9\u3068\u622f\u308c\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306f\u3001Functional Interface \u3068 Virtual Extension Methods \u3092\u8a66\u3057\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3001@FunctionalInterface \u306e\u4f7f\u3044\u65b9\u304c\u3053\u308c\u3067\u3042\u3063\u3066\u3044\u308b\u306e\u304b\uff1f\u89e3\u308a\u307e\u305b\u3093(&gt;_&lt;\uff61)<\/p>\n<p>@FunctionalInterface \u3092\u6d88\u3057\u3066\u3082\u540c\u3058\u3088\u3046\u306b\u30b3\u30f3\u30d1\u30a4\u30eb\u3001\u5b9f\u884c\u3067\u304d\u3066\u3057\u307e\u3046\u3093\u3067\u3059\u3088\u306d\uff5e<\/p>\n<p>@Override \u306a\u3093\u304b\u3068\u540c\u3058\u3067\u305f\u3060\u306e\u6ce8\u91c8\u306a\u306e\u304b\u306a\u3041\u30fb\u30fb\u30fb<\/p>\n<p>\u30e1\u30ea\u30c3\u30c8\u304c\u826f\u304f\u89e3\u3089\u3093\u305c\u3088\uff57<\/p>\n<p>Virtual Extension Methods \u306f\u4ee5\u524d\u306b\u3082\u8a66\u3057\u305f\u3093\u3060\u3051\u3069 default \u30ad\u30fc\u30ef\u30fc\u30c9\u306e\u3064\u304f\u4f4d\u7f6e\u304c\u5909\u308f\u3063\u305f\u306e\uff08\u6c7a\u3081\u3089\u308c\u305f\uff09\u306e\u304b\u306a\u3002<\/p>\n<p>\u3055\u3066\u3001\u305d\u308c\u3067\u306f\u8a66\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<style type=\"text\/css\">\n<!--\ntable {color: #000000; background-color: #e9e8e2; font-family: \u3086\u305f\u307d\u3093\uff08\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\uff09}\n-->\n<\/style>\n<table width=\"100%\">\n<tbody>\n<tr>\n<td align=\"left\">jp\\yucchi\\myfunctionalinterface\\MyFunctionalInterface.java<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<pre>\r\npackage jp.yucchi.myfunctionalinterface;\r\n\r\npublic class MyFunctionalInterface {\r\n\r\n    @FunctionalInterface\r\n    private interface FuncInterface {\r\n\r\n        public void hoge(); \/\/ \u5bfe\u8c61\u30e1\u30bd\u30c3\u30c9\r\n\r\n        @Override\r\n        public String toString(); \/\/ \u3042\u3063\u3066\u3082\u95a2\u4fc2\u306a\u3044\u306d\r\n\r\n        @Override\r\n        public boolean equals(Object o); \/\/ \u3042\u3063\u3066\u3082\u95a2\u4fc2\u306a\u3044\u306d\r\n    }\r\n\r\n    @FunctionalInterface\r\n    private interface CompFuncInterface extends FuncInterface {\r\n\r\n        \/\/ Virtual Extension Methods\r\n        default public void foo() {\r\n            System.out.println(\"foo\");\r\n        }\r\n\r\n        \/\/ Virtual Extension Methods\r\n        default public void bar() {\r\n            System.out.println(\"bar\");\r\n        }\r\n    }\r\n\r\n    public static void main(String[] args) {\r\n        chome(() -> {\r\n            System.out.println(\"hoge\");\r\n        });\r\n    }\r\n\r\n    private static void chome(CompFuncInterface cfi) {\r\n        cfi.hoge();\r\n        cfi.foo(); \/\/ Virtual Extension Methods\r\n        cfi.bar(); \/\/ Virtual Extension Methods\r\n    }\r\n}\r\n\r\n<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<p>run:<br \/>hoge<br \/>foo<br \/>bar<br \/>BUILD SUCCESSFUL (total time: 0 seconds)<\/p>\n<p>\u5b9f\u884c\u7d50\u679c\u304b\u3089\u307f\u3066 Functional Interface \u306e\u52d5\u4f5c\u306f\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u3068\u304a\u308a\u306b\u554f\u984c\u306a\u304f\u52d5\u3044\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>Functional Interface \u306e\u5b9a\u7fa9\u306b\u3064\u3044\u3066\u306f\u9577\u304f\u306a\u308a\u307e\u3059\u306e\u3067\u30b0\u30b0\u3063\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u65e5\u672c\u8a9e\u3067\u8a73\u3057\u304f\u8aac\u660e\u3055\u308c\u3066\u3044\u308b\u30b5\u30a4\u30c8\u304c\u898b\u3064\u304b\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f<\/p>\n<pre start-line=\"10\">\r\n@Override\r\npublic String toString(); \/\/ \u3042\u3063\u3066\u3082\u95a2\u4fc2\u306a\u3044\u306d\r\n\r\n@Override\r\npublic boolean equals(Object o); \/\/ \u3042\u3063\u3066\u3082\u95a2\u4fc2\u306a\u3044\u306d\r\n\r\n<\/pre>\n<p>Object \u30af\u30e9\u30b9\u306e\u3053\u306e\u4e8c\u3064\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u3063\u3066\u3082\u554f\u984c\u306a\u3044\u3053\u3068\u3001<\/p>\n<p><font size=\"2\"><\/font><\/p>\n<pre start-line=\"5\">\r\n\/\/ Virtual Extension Methods\r\ndefault public void foo() { \r\n    System.out.println(\"foo\");\r\n}\r\n\r\n\/\/ Virtual Extension Methods\r\ndefault public void bar() { \r\n    System.out.println(\"bar\");\r\n}\r\n\r\n<\/pre>\n<p>\u3053\u306e Virtual Extension Methods \u306e default \u5b9f\u88c5\u304c\u3042\u3063\u3066\u3082 Functional Interface \u306e\u6a5f\u80fd\u3092\u554f\u984c\u306a\u304f\u5b9f\u884c\u3067\u304d\u308b\u3053\u3068\u3092\u8a3c\u660e\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u3061\u3083\u3093\u3068\u30e9\u30e0\u30c0\u5f0f\u3067\u52d5\u3044\u3066\u307e\u3059\u3002(^_^)<\/p>\n<pre start-line=\"32\">\r\n    chome(() -> {\r\n        System.out.println(\"hoge\");\r\n    });\r\n}\r\n\r\n<\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\u304b\u3089\u3061\u3083\u3093\u3068\u4e8c\u3064\u306e Virtual Extension Methods \u3082\u52d5\u3044\u3066\u3044\u308b\u306e\u304c\u89e3\u308a\u307e\u3059\u3002<\/p>\n<p>Java 8 \u306e\u6b63\u5f0f\u30ea\u30ea\u30fc\u30b9\u304c\u697d\u3057\u307f\u3067\u3059\u306d(*^\u25bd^*)<\/p>\n<div id=\"scid:0767317B-992E-4b12-91E0-4F059A8CECA8:207c90f2-fb77-4843-a2d7-f77f87f0a050\" class=\"wlWriterEditableSmartContent\" style=\"float: none; padding-bottom: 0px; padding-top: 0px; padding-left: 0px; margin: 0px; display: inline; padding-right: 0px\">Hatena \u30bf\u30b0: <a href=\"http:\/\/b.hatena.ne.jp\/t\/Java\" rel=\"tag\">Java<\/a>,<a href=\"http:\/\/b.hatena.ne.jp\/t\/NetBeans\" rel=\"tag\">NetBeans<\/a><\/div>\n<div class='wp_social_bookmarking_light'>\n            <div class=\"wsbl_hatena\"><a 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href='http:\/\/www.facebook.com\/share.php?u=http%3A%2F%2Fyucchi.jp%2Fblog%2F%3Fp%3D678&t=NetBeans%208%20Dev%20%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%A6%20Lambda%20%E3%81%A7%E9%81%8A%E3%81%B6%E3%80%80%E3%81%9D%E3%81%AE%EF%BC%95' title='Facebook \u306b\u30b7\u30a7\u30a2' rel=nofollow class='wp_social_bookmarking_light_a' target=_blank><img src='http:\/\/yucchi.jp\/blog\/wp-content\/plugins\/wp-social-bookmarking-light\/public\/images\/facebook.png' alt='Facebook \u306b\u30b7\u30a7\u30a2' title='Facebook \u306b\u30b7\u30a7\u30a2' width='16' height='16' class='wp_social_bookmarking_light_img' \/><\/a><\/div>\n            <div class=\"wsbl_google_plus_one\"><g:plusone size=\"medium\" annotation=\"none\" href=\"http:\/\/yucchi.jp\/blog\/?p=678\" ><\/g:plusone><\/div>\n            <div class=\"wsbl_twitter\"><a href=\"https:\/\/twitter.com\/share\" class=\"twitter-share-button\" data-url=\"http:\/\/yucchi.jp\/blog\/?p=678\" data-text=\"NetBeans 8 Dev \u3092\u4f7f\u3063\u3066 Lambda \u3067\u904a\u3076\u3000\u305d\u306e\uff15\" data-lang=\"ja\">Tweet<\/a><\/div>\n    <\/div>\n<br class='wp_social_bookmarking_light_clear' \/>\n","protected":false},"excerpt":{"rendered":"<p>\u4eca\u65e5\u3082 Java 8 \u306b\u5099\u3048\u3066\u826f\u304f\u89e3\u3089\u306a\u3044\u3051\u3069\u672a\u6765\u306e\u30b3\u30fc\u30c9\u3068\u622f\u308c\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002 \u4eca\u56de\u306f\u3001Functional Interface \u3068 Virtual Extension Methods \u3092\u8a66\u3057\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002 \u305f\u3060\u3001@FunctionalInterface \u306e\u4f7f\u3044\u65b9\u304c\u3053\u308c\u3067\u3042\u3063\u3066\u3044\u308b\u306e\u304b\uff1f\u89e3\u308a\u307e\u305b\u3093(&gt;_&lt;\uff61) @FunctionalInterface \u3092\u6d88\u3057\u3066\u3082\u540c\u3058\u3088\u3046\u306b\u30b3\u30f3\u30d1\u30a4\u30eb\u3001\u5b9f\u884c\u3067\u304d\u3066\u3057\u307e\u3046\u3093\u3067\u3059\u3088\u306d\uff5e @Override \u306a\u3093\u304b\u3068\u540c\u3058\u3067\u305f\u3060\u306e\u6ce8\u91c8\u306a\u306e\u304b\u306a\u3041\u30fb\u30fb\u30fb \u30e1\u30ea\u30c3\u30c8\u304c\u826f\u304f\u89e3\u3089\u3093\u305c\u3088\uff57 Virtual Extension Methods \u306f\u4ee5\u524d\u306b\u3082\u8a66\u3057\u305f\u3093\u3060\u3051\u2026<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,4],"tags":[17,19],"class_list":["post-678","post","type-post","status-publish","format-standard","hentry","category-java","category-netbeans","tag-java","tag-netbeans"],"_links":{"self":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/678","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=678"}],"version-history":[{"count":2,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/678\/revisions"}],"predecessor-version":[{"id":805,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/678\/revisions\/805"}],"wp:attachment":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=678"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=678"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=678"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}