{"id":15294,"date":"2017-12-09T09:00:03","date_gmt":"2017-12-09T00:00:03","guid":{"rendered":"http:\/\/www.techscore.com\/blog\/?p=15294"},"modified":"2018-11-14T16:33:42","modified_gmt":"2018-11-14T07:33:42","slug":"benchmark","status":"publish","type":"post","link":"https:\/\/www.techscore.com\/blog\/2017\/12\/09\/benchmark\/","title":{"rendered":"\u3042\u3048\u3066\u8a00\u3046\u307b\u3069\u3067\u306f\u306a\u3044 \u6587\u5b57\u5217\u7d50\u5408 Java 9 \u3067\u3082\u3084\u3063\u3066\u307f\u305f\u7de8"},"content":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3002\u68b6\u539f\u3067\u3059\u3002<br \/>\n\u3053\u308c\u306f <a href=\"\/blog\/2017\/11\/28\/techscore-advent-calendar-2017\/\">TECHSCORE Advent Calendar 2017<\/a> \u306e9\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n<p>Java 9 \u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u3001Java 8 \u306e End of Life \u3092\u672c\u8170\u5165\u308c\u3066\u8003\u3048\u59cb\u3081\u306a\u3051\u308c\u3070\u3044\u3051\u306a\u3044\u4eca\u65e5\u3053\u306e\u9803\u3002<br \/>\n\u3044\u307e\u66f4\u611f\u304c\u534a\u7aef\u306a\u3044\u3067\u3059\u304c\u3001\u6587\u5b57\u5217\u7d50\u5408\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af \u30ec\u30c3\u30c4\u30c8\u30e9\u30a4 (\uff40\u30fb\u03c9\u30fb\u00b4)\u3067\u3059\u3002<\/p>\n<p>\u5143\u30cd\u30bf\u306f\u6211\u304c TECHSCORE \u30d6\u30ed\u30b0\u304c\u8a87\u308b\u4eba\u6c17\u30b7\u30ea\u30fc\u30ba\u300c\u3042\u3048\u3066\u8a00\u3046\u307b\u3069\u3067\u306f\u306a\u3044\u300d\u306e\u904e\u53bb\u8a18\u4e8b\uff082012\u5e7411\u670829\u65e5\uff09\u3067\u3059\u3002<br \/>\n<a href=\"http:\/\/www.techscore.com\/blog\/2012\/11\/29\/%E6%96%87%E5%AD%97%E5%88%97%E7%B5%90%E5%90%88-java%E7%B7%A8\/\" rel=\"noopener\" target=\"_blank\">\u3042\u3048\u3066\u8a00\u3046\u307b\u3069\u3067\u306f\u306a\u3044 \u6587\u5b57\u5217\u7d50\u5408 Java\u7de8<\/a><\/p>\n<ul>\n<li>\u30d7\u30e9\u30b9\u6f14\u7b97\u5b50<\/li>\n<li>String#concat()<\/li>\n<li>StringBuffer<\/li>\n<li>StringBuilder<\/li>\n<\/ul>\n<p>\u4e0a\u8a18\u306e\u65b9\u6cd5\u3067\u7d50\u5408\u3059\u308b\u51e6\u7406\u3092 10\u4e07\u56de\u30eb\u30fc\u30d7\u4e2d\u306b\u5b9f\u65bd\u3001Java 5, Java 6, Java 7 \u3067\u8a08\u6e2c\u3057\u3066\u3044\u307e\u3059\u3002\u7d50\u679c\u3082\u975e\u5e38\u306b\u8208\u5473\u6df1\u3044\u3067\u3059\u3002\u904e\u53bb\u8a18\u4e8b\u3082\u662f\u975e\u3054\u89a7\u304f\u3060\u3055\u3044\uff01<\/p>\n<p>\u4eca\u56de\u306f Java 7, Java 8, Java 9\uff08\u57f7\u7b46\u6642\u70b9 9.0.1\uff09\u3067\u306e\u8a08\u6e2c\u3067\u3059\u3002<br \/>\n\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u8a08\u6e2c\u306b\u306f jmh \u3092\u5229\u7528\u3057\u307e\u3057\u305f\u3002<br \/>\n<a href=\"http:\/\/openjdk.java.net\/projects\/code-tools\/jmh\/\" rel=\"noopener\" target=\"_blank\">OpenJDK: jmh<\/a><br \/>\n\u3067\u306f\u3001\u3084\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u8a08\u6e2c\u7528\u30b3\u30fc\u30c9<\/h2>\n<p>\u6587\u5b57\u5217\u7d50\u5408\u309210\u4e07\u56de\u30eb\u30fc\u30d7\u4e2d\u306b\u5b9f\u65bd\u3002\u8a08\u6e2c\u306f\u30a6\u30a9\u30fc\u30e0\u30a2\u30c3\u30d7\u30fb\u30a4\u30c6\u30ec\u30fc\u30c8\u56de\u6570\u3068\u3082\u306b jmh \u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3067\u3042\u308b 20 \u56de\u3067\u884c\u3044\u307e\u3057\u305f\u3002<\/p>\n<pre><code class\"java\">package sample.jmh.test;\r\n\r\nimport java.util.concurrent.TimeUnit;\r\n\r\nimport org.openjdk.jmh.annotations.Benchmark;\r\nimport org.openjdk.jmh.annotations.Mode;\r\nimport org.openjdk.jmh.runner.Runner;\r\nimport org.openjdk.jmh.runner.RunnerException;\r\nimport org.openjdk.jmh.runner.options.Options;\r\nimport org.openjdk.jmh.runner.options.OptionsBuilder;\r\n\r\npublic class MyBenchmark1 {\r\n    \/** \u30eb\u30fc\u30d7\u56de\u6570\uff1a10\u4e07\u56de *\/\r\n    private static final int LOOP_COUNT = 100000;\r\n    \/** \u7d50\u5408\u3059\u308b\u6587\u5b57\u5217 *\/\r\n    private static final String S1 = \"sss\";\r\n\r\n    @Benchmark\r\n    public void test1() {\r\n        \/\/ \u30d7\u30e9\u30b9\u6f14\u7b97\u5b50\r\n        String s = \"\";\r\n        for (int i = 0; i < LOOP_COUNT; i++) {\r\n            s = s + S1;\r\n        }\r\n    }\r\n\r\n    @Benchmark\r\n    public void test2() {\r\n        \/\/ String#concat()\r\n        String s = \"\";\r\n        for (int i = 0; i < LOOP_COUNT; i++) {\r\n            s = s.concat(S1);\r\n        }\r\n    }\r\n\r\n    @Benchmark\r\n    public void test3() {\r\n        \/\/ StringBuffer\r\n        StringBuffer buf = new StringBuffer();\r\n        for (int i = 0; i < LOOP_COUNT; i++) {\r\n            buf.append(S1);\r\n        }\r\n        buf.toString();\r\n    }\r\n\r\n    @Benchmark\r\n    public void test4() {\r\n        \/\/ StringBuilder\r\n        StringBuilder bld = new StringBuilder();\r\n        for (int i = 0; i < LOOP_COUNT; i++) {\r\n            bld.append(S1);\r\n        }\r\n        bld.toString();\r\n    }\r\n\r\n    public static void main(String[] args) throws RunnerException {\r\n        Options opt = new OptionsBuilder()\r\n                .include(MyBenchmark1.class.getSimpleName())\r\n                .forks(1)\r\n                .timeUnit(TimeUnit.MILLISECONDS)\r\n                .mode(Mode.AverageTime)\r\n                .build();\r\n        new Runner(opt).run();\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\u30ed\u30b0\u306e\u3046\u3061 \u30d9\u30f3\u30c1\u30de\u30fc\u30af\u304c\u8a18\u8ff0\u3055\u308c\u305f\u90e8\u5206\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre title=\"Java 8 \u3067\u306e\u5b9f\u884c\u7d50\u679c\" >Benchmark           Mode  Cnt     Score     Error  Units\r\nMyBenchmark1.test1  avgt   20  5647.217 \u00b1 138.807  ms\/op\r\nMyBenchmark1.test2  avgt   20  4275.261 \u00b1 148.679  ms\/op\r\nMyBenchmark1.test3  avgt   20     0.971 \u00b1   0.015  ms\/op\r\nMyBenchmark1.test4  avgt   20     1.079 \u00b1   0.026  ms\/op<\/pre>\n<p>test1(\u30d7\u30e9\u30b9\u6f14\u7b97\u5b50\u306b\u3088\u308b\u7d50\u5408)\u306e\u5b9f\u884c\u306b\u306f\u5e73\u5747 5647.217 \u30df\u30ea\u79d2\u304b\u304b\u3063\u305f\u3001\u3068\u8aad\u307f\u307e\u3059\u3002<\/p>\n<h2>\u8a08\u6e2c\u7d50\u679c<\/h2>\n<p>\u8a08\u6e2c\u7528\u30b3\u30fc\u30c9\u3092 60 \u56de\u5b9f\u884c\u3057\u305f\u5e73\u5747\u5024(\u8aad\u307f\u3084\u3059\u3044\u3088\u3046\u306b\u56db\u6368\u4e94\u5165\u3057\u3066\u3044\u307e\u3059)\u3092\u3001\u4ee5\u4e0b\u306e\u8868\u306b\u307e\u3068\u3081\u307e\u3057\u305f\u3002\u5358\u4f4d\u306f\u30df\u30ea\u79d2\u3067\u3059\u3002<\/p>\n<table>\n<tbody>\n<tr>\n<th>\u30eb\u30fc\u30d710\u4e07\u56de<\/th>\n<th>Java 7<\/th>\n<th>Java 8<\/th>\n<th>Java 9<\/th>\n<\/tr>\n<tr style=\"background: none repeat scroll 0 0 #E5E4E8;\">\n<td>\u30d7\u30e9\u30b9\u6f14\u7b97\u5b50<\/td>\n<td align=\"right\">6152.228<\/td>\n<td align=\"right\">5614.730<\/td>\n<td align=\"right\">2009.843<\/td>\n<\/tr>\n<tr style=\"background: none repeat scroll 0 0 #E5E4E8;\">\n<td>String#concat()<\/td>\n<td align=\"right\">4407.053<\/td>\n<td align=\"right\">4304.561<\/td>\n<td align=\"right\">2193.133<\/td>\n<\/tr>\n<tr style=\"background: none repeat scroll 0 0 #E5E4E8;\">\n<td>StringBuffer<\/td>\n<td align=\"right\">1.523<\/td>\n<td align=\"right\">1.088<\/td>\n<td align=\"right\">1.345<\/td>\n<\/tr>\n<tr style=\"background: none repeat scroll 0 0 #E5E4E8;\">\n<td>StringBuilder<\/td>\n<td align=\"right\">1.112<\/td>\n<td align=\"right\">1.083<\/td>\n<td align=\"right\">0.415<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4f55\u3068\u3044\u3063\u3066\u3082\u76ee\u3092\u5f15\u304f\u306e\u306f\u3001Java 9 \u306e\u51e6\u7406\u901f\u5ea6\u3002<br \/>\n\u30d7\u30e9\u30b9\u6f14\u7b97\u5b50\u3068 String#concat() \u3068 StringBuilder\u3001\u7d20\u6674\u3089\u3057\u3044\u3067\u3059\u3088\u306d\u3002\u4eca\u56de\u306e\u3088\u3046\u306a\u7c21\u5358\u306a\u8a08\u6e2c\u65b9\u6cd5\u3067\u3082\u3001\u3055\u3089\u3063\u3068 Java 8 \u306e 2\u500d\u901f\u3092\u53e9\u304d\u51fa\u3057\u307e\u3057\u305f\u3002<\/p>\n<h2> Java 9 \u306b\u304a\u3051\u308b\u6587\u5b57\u5217\u306e\u51e6\u7406\u52b9\u7387\u5411\u4e0a\u300cCompact Strings\u300d\u3068\u300cIndify String Concatenation\u300d<\/h2>\n<p><a href=\"http:\/\/openjdk.java.net\/jeps\/254\" rel=\"noopener\" target=\"_blank\">JEP 254: Compact Strings<\/a><br \/>\n<a href=\"http:\/\/openjdk.java.net\/jeps\/280\" rel=\"noopener\" target=\"_blank\">JEP 280: Indify String Concatenation<\/a><\/p>\n<p>\u307e\u305a\u306f\u3001\u30d7\u30e9\u30b9\u6f14\u7b97\u5b50\u306e\u8a08\u6e2c\u7d50\u679c\u306b\u6ce8\u76ee\u3057\u307e\u3059\u3002Indify String Concatenation \u306e\u5f71\u97ff\u3092\u53d7\u3051\u3066\u7206\u901f\u5316\u3057\u305f\u3068\u601d\u308f\u308c\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/docs.oracle.com\/javase\/jp\/8\/docs\/api\/java\/lang\/String.html\" rel=\"noopener\" target=\"_blank\">String (Java Platform SE 8 )<\/a><br \/>\nJava 8 \u307e\u3067\u306e\u5e38\u8b58\u306f\u300c\u6587\u5b57\u5217\u9023\u7d50\u306fStringBuilder (\u307e\u305f\u306fStringBuffer)\u30af\u30e9\u30b9\u3068\u305d\u306eappend\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u5b9f\u88c5\u3055\u308c\u3066\u3044\u307e\u3059\u300d\u3067\u3057\u305f\u3002<\/p>\n<p><a href=\"https:\/\/docs.oracle.com\/javase\/jp\/9\/docs\/api\/java\/lang\/String.html\" rel=\"noopener\" target=\"_blank\">String (Java SE 9 & JDK 9 )<\/a><br \/>\n\u3068\u3053\u308d\u304c\u3001Java 9 \u3067\u306f\u4e0a\u8a18\u306e\u8a18\u8ff0\u304c API \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304b\u3089\u307e\u308b\u3063\u3068\u524a\u9664\u3055\u308c\u3001\u4ee3\u308f\u308a\u306e\u8a18\u8ff0\u306b\u300c\u6587\u5b57\u5217\u306e\u9023\u7d50\u3068\u5909\u63db\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u300cJava\u2122\u8a00\u8a9e\u4ed5\u69d8\u300d\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u300d\u3068\u3042\u308a\u307e\u3059\u3002\u4f55\u3068\u3001StringBuilder \u3092\u4f7f\u308f\u306a\u304f\u306a\u3063\u305f\u306e\u3067\u3059\u3002Java 9 \u304b\u3089\u306e\u65b0\u5e38\u8b58\u3002\u305c\u3072\u899a\u3048\u3066\u304a\u304d\u305f\u3044\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>\u8a73\u7d30\u306f\u307e\u305f\u5225\u306e\u6a5f\u4f1a\u306b\u66f8\u3053\u3046\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u3056\u3063\u304f\u308a\u3068\u8a00\u3046\u3068\u300c\u4e88\u3081\u7d50\u5408\u3059\u308b\u6587\u5b57\u5217\u306e\u9577\u3055\u306e byte \u914d\u5217\u3092\u78ba\u4fdd\u3057\u3066\u6587\u5b57\u5217\u3092\u8a70\u3081\u3066\u3044\u304d\u3001String \u306b\u5909\u63db\u3059\u308b\u300d\u304c Java 9 \u30d7\u30e9\u30b9\u6f14\u7b97\u5b50\u306e\u51e6\u7406\u306e\u4e2d\u8eab\u3067\u3059\u3002<\/p>\n<p>\u6b21\u306b\u3001\u30d7\u30e9\u30b9\u6f14\u7b97\u5b50\u3068 String#concat() \u3068 StringBuilder \u306e\u51e6\u7406\u52b9\u7387\u5411\u4e0a\u306e\u7d20\u3001Compact Strings \u306b\u7c21\u5358\u306b\u89e6\u308c\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u307e\u3067\u306e\u5b9f\u88c5\u3067\u306f\u3001\u6587\u5b57\u5217\u3092 2 \u30d0\u30a4\u30c8\u306e char \u914d\u5217\u3068\u3057\u3066\u683c\u7d0d\u3057\u3066\u3044\u307e\u3057\u305f\u3002<br \/>\nJava \u306e\u4e2d\u306e\u4eba\u306f\u8003\u3048\u307e\u3057\u305f\u3002\u300c\u534a\u89d2\u82f1\u6570\u5b57\u3084\u8a18\u53f7\u30fb\u6570\u5b57\u306a\u3069\u3001\u6587\u5b57\u30b3\u30fc\u30c9 Latin-1 \u3092\u53d6\u308a\u6271\u3046\u3053\u3068\u304c\u307b\u3068\u3093\u3069\u306a\u3093\u3060\u304b\u3089 1 \u30d0\u30a4\u30c8 \u7121\u99c4\u306b\u3057\u3066\u3044\u308b\u300d\u3068\u3002\u300c\u3060\u3063\u305f\u3089\u3001Latin-1 (1 \u30d0\u30a4\u30c8)\u3067\u6301\u3068\u3046\u3088\u300d\u3002<br \/>\n\u7d50\u679c\u3001\u6587\u5b57\u5217\u3092 Latin-1\u30011 \u30d0\u30a4\u30c8\u306e byte \u914d\u5217\u3068\u3057\u3066\u683c\u7d0d\u3059\u308b\u3088\u3046\u306a\u3063\u305f\uff1d Compact Strings \u3067\u3059\u3002Latin-1 \u4ee5\u5916\u306e\u6587\u5b57\u3001\u4f8b\u3048\u3070\u65e5\u672c\u8a9e\u300c\u3042\u300d\u306e\u5834\u5408\u3067\u306f\u3053\u308c\u307e\u3067\u3069\u304a\u308a 2 \u30d0\u30a4\u30c8\u306e UTF-16 \u3068\u3057\u3066\u683c\u7d0d\u3057\u307e\u3059\u3002<\/p>\n<p>\u305f\u3057\u304b\u306b\u3001\u304e\u3085\u3063\u3068\u30b3\u30f3\u30d1\u30af\u30c8\u5316\u3055\u308c\u307e\u3057\u305f\u3002<br \/>\n\u3067\u3082\u3001\u79c1\u9054\u306f\u6f22\u5b57\u3068\u3072\u3089\u304c\u306a\u30c7\u30fc\u30bf\u3092\u53d6\u308a\u6271\u3046\u3053\u3068\u3082\u591a\u3044\u306e\u3067\u3059...<br \/>\n\u6b8b\u5ff5\u306a\u7d50\u679c\u304c\u4e88\u60f3\u3055\u308c\u307e\u3059\u304c\u3001\u3084\u3063\u3066\u307f\u307e\u3057\u305f\u3002 \u3072\u3089\u304c\u306a\u300c\u3042\u3042\u3042\u300d\u6587\u5b57\u5217\u7d50\u5408\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af \u30ec\u30c3\u30c4\u30c8\u30e9\u30a4 (\uff40\u30fb\u03c9\u30fb\u00b4)\u3067\u3059\u3002<\/p>\n<table>\n<tbody>\n<tr>\n<th>\u30eb\u30fc\u30d710\u4e07\u56de<\/th>\n<th>Java 7<\/th>\n<th>Java 8<\/th>\n<th>Java 9<\/th>\n<\/tr>\n<tr style=\"background: none repeat scroll 0 0 #E5E4E8;\">\n<td>\u30d7\u30e9\u30b9\u6f14\u7b97\u5b50<\/td>\n<td align=\"right\">6027.036<\/td>\n<td align=\"right\">5511.940<\/td>\n<td align=\"right\">4033.945<\/td>\n<\/tr>\n<tr style=\"background: none repeat scroll 0 0 #E5E4E8;\">\n<td>String#concat()<\/td>\n<td align=\"right\">4219.871<\/td>\n<td align=\"right\">4245.241<\/td>\n<td align=\"right\">4428.548<\/td>\n<\/tr>\n<tr style=\"background: none repeat scroll 0 0 #E5E4E8;\">\n<td>StringBuffer<\/td>\n<td align=\"right\">1.483<\/td>\n<td align=\"right\">1.158<\/td>\n<td align=\"right\">1.636<\/td>\n<\/tr>\n<tr style=\"background: none repeat scroll 0 0 #E5E4E8;\">\n<td>StringBuilder<\/td>\n<td align=\"right\">1.095<\/td>\n<td align=\"right\">1.066<\/td>\n<td align=\"right\">0.721<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Latin-1 \u4ee5\u5916\u306e\u6587\u5b57\u5217\u3067\u306f Compact Strings \u306e\u6069\u6075\u3092\u304a\u304a\u3044\u306b\u53d7\u3051\u308b\u3001\u3068\u3044\u3046\u3053\u3068\u306f\u306a\u3055\u305d\u3046\u3067\u3059\u3002<br \/>\nJava 8 \u304b\u3089 Java 9 \u306b\u5909\u66f4\u3057\u305f\u306e\u306b\u601d\u3063\u305f\u307b\u3069\u51e6\u7406\u901f\u5ea6\u304c\u4e0a\u304c\u3089\u306a\u3044\u3001\u3068\u3044\u3046\u30b1\u30fc\u30b9\u3082\u51fa\u3066\u304d\u305d\u3046\u3067\u3059\u3002\u5f53\u305f\u308a\u524d\u306e\u8a71\u3067\u3059\u304c\u3001\u5185\u90e8\u51e6\u7406\u3092\u7406\u89e3\u3057\u3066\u30c7\u30fc\u30bf\u306b\u6cbf\u3063\u305f\u6700\u9069\u5316\u304c\u5fc5\u8981\u306b\u306a\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u305d\u308c\u306b\u3057\u3066\u3082 StringBuffer\u3002Java 8 \u3088\u308a\u3082 Java 9 \u306e\u65b9\u304c\u9045\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3044\u3063\u305f\u3044\u3069\u3046\u3057\u305f\u3093\u3067\u3057\u3087\u3046...\uff08\u00b4\u30fb\u03c9\u30fb\uff40\uff09<br \/>\n\u307e\u305f\u6a5f\u4f1a\u304c\u3042\u308c\u3070\u8abf\u3079\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<ul>\n<li>Java 9 \u3067\u306f\u6587\u5b57\u5217\u7d50\u5408\u306f\u9ad8\u901f\u306b\u306a\u308b\uff08\u305f\u3060\u3057 Latin-1 \u306b\u9650\u308b !!\uff09<\/li>\n<li>Java 9 \u3067\u306f\u30d7\u30e9\u30b9\u6f14\u7b97\u5b50\u306e\u5185\u90e8\u51e6\u7406\u306f StringBuilder (\u307e\u305f\u306fStringBuffer) \u3067\u306f\u306a\u3044<\/li>\n<li>\u30d0\u30fc\u30b8\u30e7\u30f3UP\uff1d\u51e6\u7406\u306e\u9ad8\u901f\u5316\u3067\u306f\u306a\u304f\u3001\u5185\u90e8\u51e6\u7406\u3092\u7406\u89e3\u3057\u305f\u6700\u9069\u5316\u304c\u5fc5\u8981\u306b\u306a\u308b<\/li>\n<\/ul>\n<p>Java 9 \u306e\u65b0\u6a5f\u80fd\u306f\u307e\u3060\u307e\u3060\u3042\u308a\u307e\u3059\u3002\u9a5a\u304d\u3068\u559c\u3073\u306b\u6d78\u308a\u3064\u3064\u3001\u5c11\u3057\u305a\u3064\u3067\u3082\u8aad\u307f\u89e3\u3044\u3066\u884c\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3002\u68b6\u539f\u3067\u3059\u3002<br \/>\n\u3053\u308c\u306f TECHSCORE Advent Calendar 2017 \u306e9\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002<\/p>\n<p>Java 9 \u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u3001Java 8 \u306e End of Life \u3092\u672c\u8170\u5165\u308c\u3066\u8003\u3048\u59cb\u3081\u306a\u3051\u308c\u3070\u3044\u3051\u306a\u3044\u4eca\u65e5\u3053\u306e\u9803\u3002<br \/><a href=\"https:\/\/www.techscore.com\/blog\/2017\/12\/09\/benchmark\/\">\u7d9a\u304d\u3092\u8aad\u3080...<\/a><\/p>\n","protected":false},"author":31,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[276,18],"tags":[141,57,28],"_links":{"self":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/15294"}],"collection":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/users\/31"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/comments?post=15294"}],"version-history":[{"count":45,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/15294\/revisions"}],"predecessor-version":[{"id":15686,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/15294\/revisions\/15686"}],"wp:attachment":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/media?parent=15294"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/categories?post=15294"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/tags?post=15294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}