{"id":687,"date":"2013-04-04T22:00:28","date_gmt":"2013-04-04T13:00:28","guid":{"rendered":"http:\/\/yucchi.jp\/blog\/?p=687"},"modified":"2013-04-24T19:57:33","modified_gmt":"2013-04-24T10:57:33","slug":"jdk8-lambda-%e3%81%9d%e3%81%ae%e4%bb%96%e3%81%84%e3%82%8d%e3%81%84%e3%82%8d-%e3%81%aa%e3%82%93%e3%81%a7%e3%82%82%e3%81%84%e3%81%84%e3%81%8b%e3%82%89%e5%8b%95%e3%81%8b%e3%81%97%e3%81%a6%e3%81%bf-2","status":"publish","type":"post","link":"http:\/\/yucchi.jp\/blog\/?p=687","title":{"rendered":"JDK8 Lambda \u305d\u306e\u4ed6\u3044\u308d\u3044\u308d \u306a\u3093\u3067\u3082\u3044\u3044\u304b\u3089\u52d5\u304b\u3057\u3066\u307f\u308b \u305d\u306e\uff13"},"content":{"rendered":"<p>\u3055\u3041\u3001\u4eca\u65e5\u3082 Java8 \u306b\u5099\u3048\u3066\u9069\u5f53\u306b\u4f55\u304b\u3092\u3046\u3054\u304b\u3057\u3066\u307f\u3088\u3046(~_~;)<\/p>\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u6628\u65e5\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u3001\u30ed\u30ec\u30c3\u30af\u30b9\u306e\u58f2\u8cb7\u3092\u5168\u3066\u8868\u793a\u3055\u305b\u3066\u307f\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>filter() \u30e1\u30bd\u30c3\u30c9\u3067\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3066\u30ea\u30b9\u30c8\u3092\u4f5c\u308a\u76f4\u3057\u3066\u8868\u793a\u3055\u305b\u3066\u3044\u308b\u3060\u3051\u3068\u3044\u3046\u975e\u5e38\u306b\u30b7\u30f3\u30d7\u30eb\u306a\u30b3\u30fc\u30c9\u3067\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\">mylambdaexamples\\MyLambdaExamples.java<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<pre start-line=\"27\">\r\n\/\/ \u30ed\u30ec\u30c3\u30af\u30b9\u306e\u58f2\u8cb7\u3092\u5168\u3066\u8868\u793a\r\nSystem.out.println(\"\\n<-- \u30ed\u30ec\u30c3\u30af\u30b9\u306e\u58f2\u8cb7\u3092\u5168\u3066\u8868\u793a -->\");\r\nsales.filter(s -> s.getWristwatch().getBrand().equals(\"\u30ed\u30ec\u30c3\u30af\u30b9\"))\r\n        .collect(toList()).forEach(e -> {\r\n            System.out.println(\"\u30ed\u30ec\u30c3\u30af\u30b9\u3092\u58f2\u3063\u305f\u4eba\u306f\u3001\" + e.seller.getFirstName()\r\n            + \" \" + e.seller.getLastName()\r\n            + \"     \u30ed\u30ec\u30c3\u30af\u30b9\u3092\u8cb7\u3063\u305f\u4eba\u306f \" + e.buyer.getFirstName()\r\n            + e.buyer.getLastName()\r\n            + \"     \u8cfc\u5165\u91d1\u984d\u306f\u3001\" + (int)e.getCost() + \"\u5186\u3067\u3059\u3002\");\r\n        });\r\n\r\n<\/pre>\n<p>\u3053\u3093\u306a\u306b\u30b7\u30f3\u30d7\u30eb\u3067\u3044\u3044\u306e\u304b\u306a\uff1f\u3063\u3066\u601d\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u884c\u7d50\u679c\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>&lt;&#8211; \u30ed\u30ec\u30c3\u30af\u30b9\u306e\u58f2\u8cb7\u3092\u5168\u3066\u8868\u793a &#8211;&gt;<br \/>\u30ed\u30ec\u30c3\u30af\u30b9\u3092\u58f2\u3063\u305f\u4eba\u306f\u3001\u58c7 \u871c&nbsp;&nbsp;&nbsp;&nbsp; \u30ed\u30ec\u30c3\u30af\u30b9\u3092\u8cb7\u3063\u305f\u4eba\u306f \u67f4\u7530\u606d\u5e73&nbsp;&nbsp;&nbsp;&nbsp; \u8cfc\u5165\u91d1\u984d\u306f\u3001400000\u5186\u3067\u3059\u3002<br \/>\u30ed\u30ec\u30c3\u30af\u30b9\u3092\u58f2\u3063\u305f\u4eba\u306f\u3001\u7dbe\u702c \u306f\u308b\u304b&nbsp;&nbsp;&nbsp;&nbsp; \u30ed\u30ec\u30c3\u30af\u30b9\u3092\u8cb7\u3063\u305f\u4eba\u306f \u6df1\u7530\u606d\u5b50&nbsp;&nbsp;&nbsp;&nbsp; \u8cfc\u5165\u91d1\u984d\u306f\u3001300000\u5186\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306b Java8 \u306f\u958b\u767a\u8005\u306b\u9762\u5012\u306a\u30b3\u30fc\u30c9\u3092\u975e\u5e38\u306b\u30b7\u30f3\u30d7\u30eb\u306b\u8a18\u8ff0\u3067\u304d\u308b\u7d20\u6575\u306a\u8d08\u308a\u7269\u306b\u306a\u308b\u3067\u3042\u308d\u3046\u3002<\/p>\n<p>\u306a\u3093\u3066\u306d (*^\u25bd^*)<\/p>\n<p>\u3055\u3041\u3001\u660e\u65e5\u306f\u4f55\u3092\u8a66\u305d\u3046\u304b\u306a\u3002<\/p>\n<div id=\"scid:0767317B-992E-4b12-91E0-4F059A8CECA8:6e9dae05-d405-4e72-b665-5e522a575e38\" 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><\/div>\n<div class='wp_social_bookmarking_light'>\n            <div class=\"wsbl_hatena\"><a href='\/\/b.hatena.ne.jp\/add?mode=confirm&url=http%3A%2F%2Fyucchi.jp%2Fblog%2F%3Fp%3D687&title=JDK8%20Lambda%20%E3%81%9D%E3%81%AE%E4%BB%96%E3%81%84%E3%82%8D%E3%81%84%E3%82%8D%20%E3%81%AA%E3%82%93%E3%81%A7%E3%82%82%E3%81%84%E3%81%84%E3%81%8B%E3%82%89%E5%8B%95%E3%81%8B%E3%81%97%E3%81%A6%E3%81%BF%E3%82%8B%20%E3%81%9D%E3%81%AE%EF%BC%93' title='\u3053\u306e\u30a8\u30f3\u30c8\u30ea\u30fc\u3092\u306f\u3066\u306a\u30d6\u30c3\u30af\u30de\u30fc\u30af\u306b\u8ffd\u52a0' 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\/hatena.gif' alt='\u3053\u306e\u30a8\u30f3\u30c8\u30ea\u30fc\u3092\u306f\u3066\u306a\u30d6\u30c3\u30af\u30de\u30fc\u30af\u306b\u8ffd\u52a0' title='\u3053\u306e\u30a8\u30f3\u30c8\u30ea\u30fc\u3092\u306f\u3066\u306a\u30d6\u30c3\u30af\u30de\u30fc\u30af\u306b\u8ffd\u52a0' width='16' height='12' class='wp_social_bookmarking_light_img' \/><\/a><\/div>\n            <div class=\"wsbl_facebook\"><a href='http:\/\/www.facebook.com\/share.php?u=http%3A%2F%2Fyucchi.jp%2Fblog%2F%3Fp%3D687&t=JDK8%20Lambda%20%E3%81%9D%E3%81%AE%E4%BB%96%E3%81%84%E3%82%8D%E3%81%84%E3%82%8D%20%E3%81%AA%E3%82%93%E3%81%A7%E3%82%82%E3%81%84%E3%81%84%E3%81%8B%E3%82%89%E5%8B%95%E3%81%8B%E3%81%97%E3%81%A6%E3%81%BF%E3%82%8B%20%E3%81%9D%E3%81%AE%EF%BC%93' 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=687\" ><\/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=687\" data-text=\"JDK8 Lambda \u305d\u306e\u4ed6\u3044\u308d\u3044\u308d \u306a\u3093\u3067\u3082\u3044\u3044\u304b\u3089\u52d5\u304b\u3057\u3066\u307f\u308b \u305d\u306e\uff13\" data-lang=\"ja\">Tweet<\/a><\/div>\n    <\/div>\n<br class='wp_social_bookmarking_light_clear' \/>\n","protected":false},"excerpt":{"rendered":"<p>\u3055\u3041\u3001\u4eca\u65e5\u3082 Java8 \u306b\u5099\u3048\u3066\u9069\u5f53\u306b\u4f55\u304b\u3092\u3046\u3054\u304b\u3057\u3066\u307f\u3088\u3046(~_~;) \u3068\u3044\u3046\u3053\u3068\u3067\u6628\u65e5\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u3001\u30ed\u30ec\u30c3\u30af\u30b9\u306e\u58f2\u8cb7\u3092\u5168\u3066\u8868\u793a\u3055\u305b\u3066\u307f\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002 filter() \u30e1\u30bd\u30c3\u30c9\u3067\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3066\u30ea\u30b9\u30c8\u3092\u4f5c\u308a\u76f4\u3057\u3066\u8868\u793a\u3055\u305b\u3066\u3044\u308b\u3060\u3051\u3068\u3044\u3046\u975e\u5e38\u306b\u30b7\u30f3\u30d7\u30eb\u306a\u30b3\u30fc\u30c9\u3067\u3059\u3002 mylambdaexamples\\MyLambdaExamples.java \/\/ \u30ed\u30ec\u30c3\u30af\u30b9\u306e\u58f2\u8cb7\u3092\u5168\u3066\u8868\u793a System.out.println(&#8220;\\n&#8221;); sales.filter(s -> s.getWristwatch().getBrand().equals(&#8220;\u30ed\u30ec\u30c3\u30af\u30b9&#8221;)) .collect(toList\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],"tags":[17],"class_list":["post-687","post","type-post","status-publish","format-standard","hentry","category-java","tag-java"],"_links":{"self":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/687","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=687"}],"version-history":[{"count":2,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/687\/revisions"}],"predecessor-version":[{"id":792,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/687\/revisions\/792"}],"wp:attachment":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=687"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=687"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=687"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}