{"id":656,"date":"2013-03-14T23:48:44","date_gmt":"2013-03-14T14:48:44","guid":{"rendered":"http:\/\/yucchi.jp\/blog\/?p=656"},"modified":"2013-04-24T20:38:47","modified_gmt":"2013-04-24T11:38:47","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%93","status":"publish","type":"post","link":"http:\/\/yucchi.jp\/blog\/?p=656","title":{"rendered":"NetBeans 8 Dev \u3092\u4f7f\u3063\u3066 Lambda \u3067\u904a\u3076\u3000\u305d\u306e\uff13"},"content":{"rendered":"<p>\u4eca\u65e5\u3082 NetBeans 8 Dev \u3092\u4f7f\u3063\u3066 Lambda \u3067\u904a\u3093\u3067\u307f\u307e\u3059\u3002<\/p>\n<p>\u305b\u3063\u304b\u304f\u512a\u79c0\u306a\u7d71\u5408\u958b\u767a\u74b0\u5883\u3092\u4f7f\u3063\u3066\u308b\u3093\u3060\u304b\u3089\u305d\u306e\u6a5f\u80fd\u3092\u4f7f\u3063\u3066 Lambda \u306e\u4e26\u884c\u51e6\u7406\u304c\u3061\u3083\u3093\u3068\u3055\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<p>\u6c7a\u3057\u3066\u7591\u3063\u3066\u308b\u8a33\u3067\u306f\u3054\u3056\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u3067\u3082\u3001\u3053\u306e\u773c\u3067\u3057\u3063\u304b\u308a\u78ba\u8a8d\u3057\u3066\u307f\u305f\u3044\u3060\u3051\u3067\u3059\u3002<\/p>\n<p>\u3063\u3066\u3053\u3068\u3067\u6628\u65e5\u4f5c\u3063\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u3061\u3087\u3053\u3063\u3068\u5909\u66f4\u3057\u3066\u672c\u5f53\u306b Fork \/ join Framework \u304c\u547c\u3073\u51fa\u3055\u308c\u3066\u3044\u308b\u304b\u898b\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\\mylambdasample\\MyLambdaSample.java<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<pre start-line=\"93\">\r\n\r\n        \/\/ \u30c6\u30b9\u30c8\u7528\u30e1\u30f3\u30d0\u30fc\u3092\u4f5c\u6210\r\n        for (int i = 0; i < 20_000_000; i++) {\r\n            member.add(\r\n                    new MyTeam(\r\n                    \"TEST\" + i,\r\n                    LocalDate.of(1995, 1, 1),\r\n                    MyTeam.Sex.FEMALE,\r\n                    90,\r\n                    random.nextInt(20_000_000)));\r\n        }\r\n\r\n        \/\/ MyBestMember FightingPower \u6700\u5927\u5024\u3092\u8868\u793a\r\n        System.out.println(\"<-- MyBestMember FightingPower \u6700\u5927\u5024\u3092\u8868\u793a -->\");\r\n        long startTime = System.nanoTime();\r\n        Integer reduce = member.stream().filter(m -> m.getGender() == MyTeam.Sex.FEMALE\r\n                && m.getAge() >= 16\r\n                && m.getAge() <= 29\r\n                &#038;&#038; m.getBreast() >= 76)\r\n                .map(MyTeam::getFightingPower)\r\n                .reduce(0, Math::max);\r\n        System.out.println(reduce);\r\n        long time = System.nanoTime() - startTime;\r\n        System.out.println((int) (time * 1e-9) \/ 3_600 + \"\u6642\u9593\"\r\n                + (int) ((time * 1e-9) \/ 60) % 60 + \"\u5206\"\r\n                + (int) (time * 1e-9 % 60) + \"\u79d2\"\r\n                + Double.toString((time * 1e-9 % 60) % 1).substring(2));\r\n    }\r\n}\r\n\r\n<\/pre>\n<p>\u3053\u306e\u3088\u3046\u306b\u30c6\u30b9\u30c8\u7528\u30e1\u30f3\u30d0\u30fc\u3092\u9069\u5f53\u306b\u8ffd\u52a0\u3057\u3066 strean() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u305f\u51e6\u7406\u3068 parallelStream() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u305f\u5834\u5408\u306e\u9055\u3044\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u3001stream() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u305f\u6642\u306e\u5b9f\u884c\u7d50\u679c\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>run:<br \/>&lt;&#8211; MyBestMember FightingPower \u6700\u5927\u5024\u3092\u8868\u793a &#8211;&gt;<br \/>19999999<br \/>0\u6642\u95930\u520641\u79d28805609010000026<br \/>BUILD SUCCESSFUL (total time: 1 minute 0 seconds)<\/p>\n<p>\u6b21\u306b\u6628\u65e5\u306e\u3088\u3046\u306b parallelStream() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u305f\u5834\u5408\u306f<\/p>\n<p>run:<br \/>&lt;&#8211; MyBestMember FightingPower \u6700\u5927\u5024\u3092\u8868\u793a &#8211;&gt;<br \/>19999999<br \/>0\u6642\u95930\u520620\u79d29766124870000006<br \/>BUILD SUCCESSFUL (total time: 43 seconds)<\/p>\n<p>\u3053\u306e\u3088\u3046\u306b parallelStream() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u305f\u65b9\u304c\u9ad8\u901f\u306b\u51e6\u7406\u3055\u308c\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306b\u306f\u3063\u304d\u308a\u3068\u3057\u305f\u9055\u3044\u304c\u78ba\u8a8d\u3067\u304d\u305f\u306e\u3067\u6b21\u306f\u305d\u306e\u4ed5\u7d44\u307f\u3067\u3042\u308b parallelStream() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3046\u3068<\/p>\n<p>Fork \/ join Framework \u304c\u547c\u3073\u51fa\u3055\u308c\u3066\u4e26\u884c\u51e6\u7406\u3092\u3057\u3066\u3044\u308b\u3068\u3053\u308d\u3092 NetBeans \u306e\u30d7\u30ed\u30d5\u30a1\u30a4\u30e9\u306b\u3066\u66b4\u304d\u51fa\u3057\u3066\u307f\u3066\u307f\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u3001\u8ca7\u76f8\u306a stream() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u305f\u5834\u5408\u304b\u3089\u307f\u3066\u307f\u307e\u3059\u3002<\/p>\n<p><video controls height=\"450\" width=\"800\"><source type=\"video\/mp4\" src=\"http:\/\/yucchi.jp\/movie\/lambda_sample\/l_1a.mp4\">\u3042\u306a\u305f\u304c\u3054\u5229\u7528\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u306f\u518d\u751f\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/video><\/p>\n<p>\u6b21\u306b\u8d05\u6ca2\u306a parallelStream() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u305f\u5834\u5408\u306f\u3053\u3046\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><video controls height=\"450\" width=\"800\"><source type=\"video\/mp4\" src=\"http:\/\/yucchi.jp\/movie\/lambda_sample\/l_1.mp4\">\u3042\u306a\u305f\u304c\u3054\u5229\u7528\u306e\u30d6\u30e9\u30a6\u30b6\u3067\u306f\u518d\u751f\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/video><\/p>\n<p>\u3053\u306e\u3088\u3046\u306b parallelStream() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u305f\u5834\u5408\u306f&nbsp; Fork \/ join Framework \u304c\u547c\u3073\u51fa\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u89e3\u308a\u307e\u3059\u3002<\/p>\n<p>stream() \u30e1\u30bd\u30c3\u30c9\u306e\u5b58\u5728\u4fa1\u5024\u3063\u3066\u3069\u3046\u306a\u3093\u3067\u3057\u3087\u3046\uff1f<\/p>\n<p>\u8d05\u6ca2\u306a parallelStream() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u3044\u308c\u3070\u3044\u3044\u306e\u304b\u306a\uff1f<\/p>\n<p>\u4f7f\u3044\u5206\u3051\u30b7\u30c1\u30e5\u30a8\u30fc\u30b7\u30e7\u30f3\u304c\u3061\u3087\u3063\u3068\u89e3\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u4eca\u6642\u3001\u643a\u5e2f\u96fb\u8a71\u3055\u3048\u30de\u30eb\u30c1\u30b3\u30a2\u306b\u306a\u3063\u3066\u308b\u3093\u3060\u304b\u3089\u3068\u308a\u3042\u3048\u305a parallelStream() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3068\u3051\u3070\u3044\u3044\u306e\u304b\uff1f<\/p>\n<p>\u3068\u308a\u3042\u3048\u305a Lambda \u3092\u4f7f\u3048\u3070\u3053\u306e\u3088\u3046\u306a\u4e26\u884c\u51e6\u7406\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u610f\u8b58\u3057\u306a\u3044\u3067\u3082\u7c21\u5358\u306b\u5b9f\u88c5\u3067\u304d\u3066\u3057\u307e\u3046\u3063\u3066\u3053\u3068\u306d\u3002<\/p>\n<p><a href=\"http:\/\/yucchi.jp\/blog\/wp-content\/uploads\/2013\/03\/cludia_6_001.jpg\"><img loading=\"lazy\" decoding=\"async\" title=\"cludia_6_001\" style=\"border-top: 0px; border-right: 0px; background-image: none; border-bottom: 0px; padding-top: 0px; padding-left: 0px; border-left: 0px; display: inline; padding-right: 0px\" border=\"0\" alt=\"cludia_6_001\" src=\"http:\/\/yucchi.jp\/blog\/wp-content\/uploads\/2013\/03\/cludia_6_001_thumb.jpg\" width=\"801\" height=\"554\"><\/a><\/p>\n<div id=\"scid:0767317B-992E-4b12-91E0-4F059A8CECA8:d6efaab5-1493-46f5-8005-23462c93f84b\" 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 href='\/\/b.hatena.ne.jp\/add?mode=confirm&url=http%3A%2F%2Fyucchi.jp%2Fblog%2F%3Fp%3D656&title=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%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%3D656&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%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=656\" ><\/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=656\" data-text=\"NetBeans 8 Dev \u3092\u4f7f\u3063\u3066 Lambda \u3067\u904a\u3076\u3000\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>\u4eca\u65e5\u3082 NetBeans 8 Dev \u3092\u4f7f\u3063\u3066 Lambda \u3067\u904a\u3093\u3067\u307f\u307e\u3059\u3002 \u305b\u3063\u304b\u304f\u512a\u79c0\u306a\u7d71\u5408\u958b\u767a\u74b0\u5883\u3092\u4f7f\u3063\u3066\u308b\u3093\u3060\u304b\u3089\u305d\u306e\u6a5f\u80fd\u3092\u4f7f\u3063\u3066 Lambda \u306e\u4e26\u884c\u51e6\u7406\u304c\u3061\u3083\u3093\u3068\u3055\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002 \u6c7a\u3057\u3066\u7591\u3063\u3066\u308b\u8a33\u3067\u306f\u3054\u3056\u3044\u307e\u305b\u3093\u3002 \u3067\u3082\u3001\u3053\u306e\u773c\u3067\u3057\u3063\u304b\u308a\u78ba\u8a8d\u3057\u3066\u307f\u305f\u3044\u3060\u3051\u3067\u3059\u3002 \u3063\u3066\u3053\u3068\u3067\u6628\u65e5\u4f5c\u3063\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u3061\u3087\u3053\u3063\u3068\u5909\u66f4\u3057\u3066\u672c\u5f53\u306b Fork \/ join Framework \u304c\u547c\u3073\u51fa\u3055\u308c\u3066\u3044\u308b\u304b\u898b\u3066\u307f\u307e\u3059\u3002 jp\\yucchi\\mylambdasample\\MyLambdaSample.java \/\/ \u30c6\u30b9\u30c8\u7528\u30e1\u30f3\u30d0\u30fc\u3092\u4f5c\u6210 for (int i = 0; i < 20_000_00\u2026\n<\/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-656","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\/656","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=656"}],"version-history":[{"count":2,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/656\/revisions"}],"predecessor-version":[{"id":813,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/656\/revisions\/813"}],"wp:attachment":[{"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=656"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=656"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/yucchi.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=656"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}