﻿{"id":186,"date":"2016-07-05T22:36:19","date_gmt":"2016-07-05T14:36:19","guid":{"rendered":"http:\/\/www.chenweikang.top\/?p=186"},"modified":"2017-09-19T11:42:43","modified_gmt":"2017-09-19T03:42:43","slug":"java-%e5%87%a0%e7%a7%8d%e7%ba%bf%e7%a8%8b%e6%b1%a0%e7%9a%84%e4%bd%bf%e7%94%a8%e6%a1%88%e4%be%8b","status":"publish","type":"post","link":"https:\/\/www.chenweikang.top\/?p=186","title":{"rendered":"Java \u51e0\u79cd\u7ebf\u7a0b\u6c60\u7684\u4f7f\u7528\u6848\u4f8b"},"content":{"rendered":"<p>Java\u901a\u8fc7Executors\u63d0\u4f9b\u56db\u79cd\u7ebf\u7a0b\u6c60\uff0c\u5206\u522b\u4e3a\uff1a<br \/>\nnewCachedThreadPool\u521b\u5efa\u4e00\u4e2a\u53ef\u7f13\u5b58\u7ebf\u7a0b\u6c60\uff0c\u5982\u679c\u7ebf\u7a0b\u6c60\u957f\u5ea6\u8d85\u8fc7\u5904\u7406\u9700\u8981\uff0c\u53ef\u7075\u6d3b\u56de\u6536\u7a7a\u95f2\u7ebf\u7a0b\uff0c\u82e5\u65e0\u53ef\u56de\u6536\uff0c\u5219\u65b0\u5efa\u7ebf\u7a0b\u3002<br \/>\nnewFixedThreadPool \u521b\u5efa\u4e00\u4e2a\u5b9a\u957f\u7ebf\u7a0b\u6c60\uff0c\u53ef\u63a7\u5236\u7ebf\u7a0b\u6700\u5927\u5e76\u53d1\u6570\uff0c\u8d85\u51fa\u7684\u7ebf\u7a0b\u4f1a\u5728\u961f\u5217\u4e2d\u7b49\u5f85\u3002<br \/>\nnewScheduledThreadPool \u521b\u5efa\u4e00\u4e2a\u5b9a\u957f\u7ebf\u7a0b\u6c60\uff0c\u652f\u6301\u5b9a\u65f6\u53ca\u5468\u671f\u6027\u4efb\u52a1\u6267\u884c\u3002<br \/>\nnewSingleThreadExecutor \u521b\u5efa\u4e00\u4e2a\u5355\u7ebf\u7a0b\u5316\u7684\u7ebf\u7a0b\u6c60\uff0c\u5b83\u53ea\u4f1a\u7528\u552f\u4e00\u7684\u5de5\u4f5c\u7ebf\u7a0b\u6765\u6267\u884c\u4efb\u52a1\uff0c\u4fdd\u8bc1\u6240\u6709\u4efb\u52a1\u6309\u7167\u6307\u5b9a\u987a\u5e8f(FIFO, LIFO, \u4f18\u5148\u7ea7)\u6267\u884c\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><strong>(1) newCachedThreadPool<\/strong><br \/>\n\u521b\u5efa\u4e00\u4e2a\u53ef\u7f13\u5b58\u7ebf\u7a0b\u6c60\uff0c\u5982\u679c\u7ebf\u7a0b\u6c60\u957f\u5ea6\u8d85\u8fc7\u5904\u7406\u9700\u8981\uff0c\u53ef\u7075\u6d3b\u56de\u6536\u7a7a\u95f2\u7ebf\u7a0b\uff0c\u82e5\u65e0\u53ef\u56de\u6536\uff0c\u5219\u65b0\u5efa\u7ebf\u7a0b\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<div id=\"\" class=\"dp-highlighter\">\n<div class=\"bar\">\n<div class=\"tools\">Java\u4ee3\u7801 <embed src=\"http:\/\/cuisuqiang.iteye.com\/javascripts\/syntaxhighlighter\/clipboard_new.swf\" type=\"application\/x-shockwave-flash\" width=\"14\" height=\"15\"><\/embed>\u00a0<a title=\"\u6536\u85cf\u8fd9\u6bb5\u4ee3\u7801\"><img decoding=\"async\" class=\"star\" src=\"http:\/\/cuisuqiang.iteye.com\/images\/icon_star.png\" alt=\"\u6536\u85cf\u4ee3\u7801\" \/><\/a><\/div>\n<\/div>\n<ol class=\"dp-j\" start=\"1\">\n<li><span class=\"keyword\">package<\/span>\u00a0test;<\/li>\n<li><span class=\"keyword\">import<\/span>\u00a0java.util.concurrent.ExecutorService;<\/li>\n<li><span class=\"keyword\">import<\/span>\u00a0java.util.concurrent.Executors;<\/li>\n<li><span class=\"keyword\">public<\/span>\u00a0<span class=\"keyword\">class<\/span>\u00a0ThreadPoolExecutorTest\u00a0{<\/li>\n<li>\u00a0<span class=\"keyword\">public<\/span>\u00a0<span class=\"keyword\">static<\/span>\u00a0<span class=\"keyword\">void<\/span>\u00a0main(String[]\u00a0args)\u00a0{<\/li>\n<li>\u00a0\u00a0ExecutorService\u00a0cachedThreadPool\u00a0=\u00a0Executors.newCachedThreadPool();<\/li>\n<li>\u00a0\u00a0<span class=\"keyword\">for<\/span>\u00a0(<span class=\"keyword\">int<\/span>\u00a0i\u00a0=\u00a0<span class=\"number\">0<\/span>;\u00a0i\u00a0&lt;\u00a0<span class=\"number\">10<\/span>;\u00a0i++)\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0<span class=\"keyword\">final<\/span>\u00a0<span class=\"keyword\">int<\/span>\u00a0index\u00a0=\u00a0i;<\/li>\n<li>\u00a0\u00a0\u00a0<span class=\"keyword\">try<\/span>\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0Thread.sleep(index\u00a0*\u00a0<span class=\"number\">1000<\/span>);<\/li>\n<li>\u00a0\u00a0\u00a0}\u00a0<span class=\"keyword\">catch<\/span>\u00a0(InterruptedException\u00a0e)\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0e.printStackTrace();<\/li>\n<li>\u00a0\u00a0\u00a0}<\/li>\n<li>\u00a0\u00a0\u00a0cachedThreadPool.execute(<span class=\"keyword\">new<\/span>\u00a0Runnable()\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\">public<\/span>\u00a0<span class=\"keyword\">void<\/span>\u00a0run()\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(index);<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0}<\/li>\n<li>\u00a0\u00a0\u00a0});<\/li>\n<li>\u00a0\u00a0}<\/li>\n<li>\u00a0}<\/li>\n<li>}<\/li>\n<\/ol>\n<\/div>\n<p>&nbsp;<\/p>\n<p>\u7ebf\u7a0b\u6c60\u4e3a\u65e0\u9650\u5927\uff0c\u5f53\u6267\u884c\u7b2c\u4e8c\u4e2a\u4efb\u52a1\u65f6\u7b2c\u4e00\u4e2a\u4efb\u52a1\u5df2\u7ecf\u5b8c\u6210\uff0c\u4f1a\u590d\u7528\u6267\u884c\u7b2c\u4e00\u4e2a\u4efb\u52a1\u7684\u7ebf\u7a0b\uff0c\u800c\u4e0d\u7528\u6bcf\u6b21\u65b0\u5efa\u7ebf\u7a0b\u3002<\/p>\n<p>(2) newFixedThreadPool<br \/>\n\u521b\u5efa\u4e00\u4e2a\u5b9a\u957f\u7ebf\u7a0b\u6c60\uff0c\u53ef\u63a7\u5236\u7ebf\u7a0b\u6700\u5927\u5e76\u53d1\u6570\uff0c\u8d85\u51fa\u7684\u7ebf\u7a0b\u4f1a\u5728\u961f\u5217\u4e2d\u7b49\u5f85\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<div id=\"\" class=\"dp-highlighter\">\n<div class=\"bar\">\n<div class=\"tools\">Java\u4ee3\u7801 <embed src=\"http:\/\/cuisuqiang.iteye.com\/javascripts\/syntaxhighlighter\/clipboard_new.swf\" type=\"application\/x-shockwave-flash\" width=\"14\" height=\"15\"><\/embed>\u00a0<a title=\"\u6536\u85cf\u8fd9\u6bb5\u4ee3\u7801\"><img decoding=\"async\" class=\"star\" src=\"http:\/\/cuisuqiang.iteye.com\/images\/icon_star.png\" alt=\"\u6536\u85cf\u4ee3\u7801\" \/><\/a><\/div>\n<\/div>\n<ol class=\"dp-j\" start=\"1\">\n<li><span class=\"keyword\">package<\/span>\u00a0test;<\/li>\n<li><span class=\"keyword\">import<\/span>\u00a0java.util.concurrent.ExecutorService;<\/li>\n<li><span class=\"keyword\">import<\/span>\u00a0java.util.concurrent.Executors;<\/li>\n<li><span class=\"keyword\">public<\/span>\u00a0<span class=\"keyword\">class<\/span>\u00a0ThreadPoolExecutorTest\u00a0{<\/li>\n<li>\u00a0<span class=\"keyword\">public<\/span>\u00a0<span class=\"keyword\">static<\/span>\u00a0<span class=\"keyword\">void<\/span>\u00a0main(String[]\u00a0args)\u00a0{<\/li>\n<li>\u00a0\u00a0ExecutorService\u00a0fixedThreadPool\u00a0=\u00a0Executors.newFixedThreadPool(<span class=\"number\">3<\/span>);<\/li>\n<li>\u00a0\u00a0<span class=\"keyword\">for<\/span>\u00a0(<span class=\"keyword\">int<\/span>\u00a0i\u00a0=\u00a0<span class=\"number\">0<\/span>;\u00a0i\u00a0&lt;\u00a0<span class=\"number\">10<\/span>;\u00a0i++)\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0<span class=\"keyword\">final<\/span>\u00a0<span class=\"keyword\">int<\/span>\u00a0index\u00a0=\u00a0i;<\/li>\n<li>\u00a0\u00a0\u00a0fixedThreadPool.execute(<span class=\"keyword\">new<\/span>\u00a0Runnable()\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\">public<\/span>\u00a0<span class=\"keyword\">void<\/span>\u00a0run()\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\">try<\/span>\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(index);<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Thread.sleep(<span class=\"number\">2000<\/span>);<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0}\u00a0<span class=\"keyword\">catch<\/span>\u00a0(InterruptedException\u00a0e)\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0e.printStackTrace();<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0}<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0}<\/li>\n<li>\u00a0\u00a0\u00a0});<\/li>\n<li>\u00a0\u00a0}<\/li>\n<li>\u00a0}<\/li>\n<li>}<\/li>\n<\/ol>\n<\/div>\n<p>\u56e0\u4e3a\u7ebf\u7a0b\u6c60\u5927\u5c0f\u4e3a3\uff0c\u6bcf\u4e2a\u4efb\u52a1\u8f93\u51faindex\u540esleep 2\u79d2\uff0c\u6240\u4ee5\u6bcf\u4e24\u79d2\u6253\u53703\u4e2a\u6570\u5b57\u3002<br \/>\n\u5b9a\u957f\u7ebf\u7a0b\u6c60\u7684\u5927\u5c0f\u6700\u597d\u6839\u636e\u7cfb\u7edf\u8d44\u6e90\u8fdb\u884c\u8bbe\u7f6e\u3002\u5982Runtime.getRuntime().availableProcessors()<\/p>\n<p>&nbsp;<\/p>\n<p>(3)\u00a0 newScheduledThreadPool<br \/>\n\u521b\u5efa\u4e00\u4e2a\u5b9a\u957f\u7ebf\u7a0b\u6c60\uff0c\u652f\u6301\u5b9a\u65f6\u53ca\u5468\u671f\u6027\u4efb\u52a1\u6267\u884c\u3002\u5ef6\u8fdf\u6267\u884c\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<div id=\"\" class=\"dp-highlighter\">\n<div class=\"bar\">\n<div class=\"tools\">Java\u4ee3\u7801 <embed src=\"http:\/\/cuisuqiang.iteye.com\/javascripts\/syntaxhighlighter\/clipboard_new.swf\" type=\"application\/x-shockwave-flash\" width=\"14\" height=\"15\"><\/embed>\u00a0<a title=\"\u6536\u85cf\u8fd9\u6bb5\u4ee3\u7801\"><img decoding=\"async\" class=\"star\" src=\"http:\/\/cuisuqiang.iteye.com\/images\/icon_star.png\" alt=\"\u6536\u85cf\u4ee3\u7801\" \/><\/a><\/div>\n<\/div>\n<ol class=\"dp-j\" start=\"1\">\n<li><span class=\"keyword\">package<\/span>\u00a0test;<\/li>\n<li><span class=\"keyword\">import<\/span>\u00a0java.util.concurrent.Executors;<\/li>\n<li><span class=\"keyword\">import<\/span>\u00a0java.util.concurrent.ScheduledExecutorService;<\/li>\n<li><span class=\"keyword\">import<\/span>\u00a0java.util.concurrent.TimeUnit;<\/li>\n<li><span class=\"keyword\">public<\/span>\u00a0<span class=\"keyword\">class<\/span>\u00a0ThreadPoolExecutorTest\u00a0{<\/li>\n<li>\u00a0<span class=\"keyword\">public<\/span>\u00a0<span class=\"keyword\">static<\/span>\u00a0<span class=\"keyword\">void<\/span>\u00a0main(String[]\u00a0args)\u00a0{<\/li>\n<li>\u00a0\u00a0ScheduledExecutorService\u00a0scheduledThreadPool\u00a0=\u00a0Executors.newScheduledThreadPool(<span class=\"number\">5<\/span>);<\/li>\n<li>\u00a0\u00a0scheduledThreadPool.schedule(<span class=\"keyword\">new<\/span>\u00a0Runnable()\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0<span class=\"keyword\">public<\/span>\u00a0<span class=\"keyword\">void<\/span>\u00a0run()\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0System.out.println(<span class=\"string\">\"delay\u00a03\u00a0seconds\"<\/span>);<\/li>\n<li>\u00a0\u00a0\u00a0}<\/li>\n<li>\u00a0\u00a0},\u00a0<span class=\"number\">3<\/span>,\u00a0TimeUnit.SECONDS);<\/li>\n<li>\u00a0}<\/li>\n<li>}<\/li>\n<\/ol>\n<\/div>\n<p>\u8868\u793a\u5ef6\u8fdf3\u79d2\u6267\u884c\u3002<\/p>\n<p>\u5b9a\u671f\u6267\u884c\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<div id=\"\" class=\"dp-highlighter\">\n<div class=\"bar\">\n<div class=\"tools\">Java\u4ee3\u7801 <embed src=\"http:\/\/cuisuqiang.iteye.com\/javascripts\/syntaxhighlighter\/clipboard_new.swf\" type=\"application\/x-shockwave-flash\" width=\"14\" height=\"15\"><\/embed>\u00a0<a title=\"\u6536\u85cf\u8fd9\u6bb5\u4ee3\u7801\"><img decoding=\"async\" class=\"star\" src=\"http:\/\/cuisuqiang.iteye.com\/images\/icon_star.png\" alt=\"\u6536\u85cf\u4ee3\u7801\" \/><\/a><\/div>\n<\/div>\n<ol class=\"dp-j\" start=\"1\">\n<li><span class=\"keyword\">package<\/span>\u00a0test;<\/li>\n<li><span class=\"keyword\">import<\/span>\u00a0java.util.concurrent.Executors;<\/li>\n<li><span class=\"keyword\">import<\/span>\u00a0java.util.concurrent.ScheduledExecutorService;<\/li>\n<li><span class=\"keyword\">import<\/span>\u00a0java.util.concurrent.TimeUnit;<\/li>\n<li><span class=\"keyword\">public<\/span>\u00a0<span class=\"keyword\">class<\/span>\u00a0ThreadPoolExecutorTest\u00a0{<\/li>\n<li>\u00a0<span class=\"keyword\">public<\/span>\u00a0<span class=\"keyword\">static<\/span>\u00a0<span class=\"keyword\">void<\/span>\u00a0main(String[]\u00a0args)\u00a0{<\/li>\n<li>\u00a0\u00a0ScheduledExecutorService\u00a0scheduledThreadPool\u00a0=\u00a0Executors.newScheduledThreadPool(<span class=\"number\">5<\/span>);<\/li>\n<li>\u00a0\u00a0scheduledThreadPool.scheduleAtFixedRate(<span class=\"keyword\">new<\/span>\u00a0Runnable()\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0<span class=\"keyword\">public<\/span>\u00a0<span class=\"keyword\">void<\/span>\u00a0run()\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0System.out.println(<span class=\"string\">\"delay\u00a01\u00a0seconds,\u00a0and\u00a0excute\u00a0every\u00a03\u00a0seconds\"<\/span>);<\/li>\n<li>\u00a0\u00a0\u00a0}<\/li>\n<li>\u00a0\u00a0},\u00a0<span class=\"number\">1<\/span>,\u00a0<span class=\"number\">3<\/span>,\u00a0TimeUnit.SECONDS);<\/li>\n<li>\u00a0}<\/li>\n<li>}<\/li>\n<\/ol>\n<\/div>\n<p>\u8868\u793a\u5ef6\u8fdf1\u79d2\u540e\u6bcf3\u79d2\u6267\u884c\u4e00\u6b21\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>(4) newSingleThreadExecutor<br \/>\n\u521b\u5efa\u4e00\u4e2a\u5355\u7ebf\u7a0b\u5316\u7684\u7ebf\u7a0b\u6c60\uff0c\u5b83\u53ea\u4f1a\u7528\u552f\u4e00\u7684\u5de5\u4f5c\u7ebf\u7a0b\u6765\u6267\u884c\u4efb\u52a1\uff0c\u4fdd\u8bc1\u6240\u6709\u4efb\u52a1\u6309\u7167\u6307\u5b9a\u987a\u5e8f(FIFO, LIFO, \u4f18\u5148\u7ea7)\u6267\u884c\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<div id=\"\" class=\"dp-highlighter\">\n<div class=\"bar\">\n<div class=\"tools\">Java\u4ee3\u7801 <embed src=\"http:\/\/cuisuqiang.iteye.com\/javascripts\/syntaxhighlighter\/clipboard_new.swf\" type=\"application\/x-shockwave-flash\" width=\"14\" height=\"15\"><\/embed>\u00a0<a title=\"\u6536\u85cf\u8fd9\u6bb5\u4ee3\u7801\"><img decoding=\"async\" class=\"star\" src=\"http:\/\/cuisuqiang.iteye.com\/images\/icon_star.png\" alt=\"\u6536\u85cf\u4ee3\u7801\" \/><\/a><\/div>\n<\/div>\n<ol class=\"dp-j\" start=\"1\">\n<li><span class=\"keyword\">package<\/span>\u00a0test;<\/li>\n<li><span class=\"keyword\">import<\/span>\u00a0java.util.concurrent.ExecutorService;<\/li>\n<li><span class=\"keyword\">import<\/span>\u00a0java.util.concurrent.Executors;<\/li>\n<li><span class=\"keyword\">public<\/span>\u00a0<span class=\"keyword\">class<\/span>\u00a0ThreadPoolExecutorTest\u00a0{<\/li>\n<li>\u00a0<span class=\"keyword\">public<\/span>\u00a0<span class=\"keyword\">static<\/span>\u00a0<span class=\"keyword\">void<\/span>\u00a0main(String[]\u00a0args)\u00a0{<\/li>\n<li>\u00a0\u00a0ExecutorService\u00a0singleThreadExecutor\u00a0=\u00a0Executors.newSingleThreadExecutor();<\/li>\n<li>\u00a0\u00a0<span class=\"keyword\">for<\/span>\u00a0(<span class=\"keyword\">int<\/span>\u00a0i\u00a0=\u00a0<span class=\"number\">0<\/span>;\u00a0i\u00a0&lt;\u00a0<span class=\"number\">10<\/span>;\u00a0i++)\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0<span class=\"keyword\">final<\/span>\u00a0<span class=\"keyword\">int<\/span>\u00a0index\u00a0=\u00a0i;<\/li>\n<li>\u00a0\u00a0\u00a0singleThreadExecutor.execute(<span class=\"keyword\">new<\/span>\u00a0Runnable()\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\">public<\/span>\u00a0<span class=\"keyword\">void<\/span>\u00a0run()\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\">try<\/span>\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(index);<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Thread.sleep(<span class=\"number\">2000<\/span>);<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0}\u00a0<span class=\"keyword\">catch<\/span>\u00a0(InterruptedException\u00a0e)\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0e.printStackTrace();<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0}<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0}<\/li>\n<li>\u00a0\u00a0\u00a0});<\/li>\n<li>\u00a0\u00a0}<\/li>\n<li>\u00a0}<\/li>\n<li>}<\/li>\n<\/ol>\n<\/div>\n<p>\u7ed3\u679c\u4f9d\u6b21\u8f93\u51fa\uff0c\u76f8\u5f53\u4e8e\u987a\u5e8f\u6267\u884c\u5404\u4e2a\u4efb\u52a1\u3002<\/p>\n<p>\u4f60\u53ef\u4ee5\u4f7f\u7528JDK\u81ea\u5e26\u7684\u76d1\u63a7\u5de5\u5177\u6765\u76d1\u63a7\u6211\u4eec\u521b\u5efa\u7684\u7ebf\u7a0b\u6570\u91cf\uff0c\u8fd0\u884c\u4e00\u4e2a\u4e0d\u7ec8\u6b62\u7684\u7ebf\u7a0b\uff0c\u521b\u5efa\u6307\u5b9a\u91cf\u7684\u7ebf\u7a0b\uff0c\u6765\u89c2\u5bdf\uff1a<br \/>\n\u5de5\u5177\u76ee\u5f55\uff1a<strong>C:\\Program Files\\Java\\jdk1.6.0_06\\bin\\jconsole.exe<\/strong><br \/>\n\u8fd0\u884c\u7a0b\u5e8f\u505a\u7a0d\u5fae\u4fee\u6539\uff1a<\/p>\n<div id=\"\" class=\"dp-highlighter\">\n<div class=\"bar\">\n<div class=\"tools\">Java\u4ee3\u7801 <embed src=\"http:\/\/cuisuqiang.iteye.com\/javascripts\/syntaxhighlighter\/clipboard_new.swf\" type=\"application\/x-shockwave-flash\" width=\"14\" height=\"15\"><\/embed>\u00a0<a title=\"\u6536\u85cf\u8fd9\u6bb5\u4ee3\u7801\"><img decoding=\"async\" class=\"star\" src=\"http:\/\/cuisuqiang.iteye.com\/images\/icon_star.png\" alt=\"\u6536\u85cf\u4ee3\u7801\" \/><\/a><\/div>\n<\/div>\n<ol class=\"dp-j\" start=\"1\">\n<li><span class=\"keyword\">package<\/span>\u00a0test;<\/li>\n<li><span class=\"keyword\">import<\/span>\u00a0java.util.concurrent.ExecutorService;<\/li>\n<li><span class=\"keyword\">import<\/span>\u00a0java.util.concurrent.Executors;<\/li>\n<li><span class=\"keyword\">public<\/span>\u00a0<span class=\"keyword\">class<\/span>\u00a0ThreadPoolExecutorTest\u00a0{<\/li>\n<li>\u00a0<span class=\"keyword\">public<\/span>\u00a0<span class=\"keyword\">static<\/span>\u00a0<span class=\"keyword\">void<\/span>\u00a0main(String[]\u00a0args)\u00a0{<\/li>\n<li>\u00a0\u00a0ExecutorService\u00a0singleThreadExecutor\u00a0=\u00a0Executors.newCachedThreadPool();<\/li>\n<li>\u00a0\u00a0<span class=\"keyword\">for<\/span>\u00a0(<span class=\"keyword\">int<\/span>\u00a0i\u00a0=\u00a0<span class=\"number\">0<\/span>;\u00a0i\u00a0&lt;\u00a0<span class=\"number\">100<\/span>;\u00a0i++)\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0<span class=\"keyword\">final<\/span>\u00a0<span class=\"keyword\">int<\/span>\u00a0index\u00a0=\u00a0i;<\/li>\n<li>\u00a0\u00a0\u00a0singleThreadExecutor.execute(<span class=\"keyword\">new<\/span>\u00a0Runnable()\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\">public<\/span>\u00a0<span class=\"keyword\">void<\/span>\u00a0run()\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\">try<\/span>\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\">while<\/span>(<span class=\"keyword\">true<\/span>)\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(index);<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Thread.sleep(<span class=\"number\">10<\/span>\u00a0*\u00a0<span class=\"number\">1000<\/span>);<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0}\u00a0<span class=\"keyword\">catch<\/span>\u00a0(InterruptedException\u00a0e)\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0e.printStackTrace();<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0}<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0}<\/li>\n<li>\u00a0\u00a0\u00a0});<\/li>\n<li>\u00a0\u00a0\u00a0<span class=\"keyword\">try<\/span>\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0Thread.sleep(<span class=\"number\">500<\/span>);<\/li>\n<li>\u00a0\u00a0\u00a0}\u00a0<span class=\"keyword\">catch<\/span>\u00a0(InterruptedException\u00a0e)\u00a0{<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0e.printStackTrace();<\/li>\n<li>\u00a0\u00a0\u00a0}<\/li>\n<li>\u00a0\u00a0}<\/li>\n<li>\u00a0}<\/li>\n<li>}<\/li>\n<\/ol>\n<\/div>\n<p>\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/dl.iteye.com\/upload\/picture\/pic\/129496\/a37b1415-36ac-30b8-baf6-10897bbf443a.jpg\" alt=\"\" width=\"346\" height=\"348\" \/><\/p>\n<p>\u9009\u62e9\u6211\u4eec\u8fd0\u884c\u7684\u7a0b\u5e8f\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/dl.iteye.com\/upload\/picture\/pic\/129498\/c518b086-b144-366c-884c-58a4bf985b05.jpg\" alt=\"\" width=\"584\" height=\"527\" \/><\/p>\n<p>\u76d1\u63a7\u8fd0\u884c\u72b6\u6001<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>\u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff1a<a href=\"https:\/\/www.chenweikang.top\">\u5de6\u624b\u4ee3\u7801\u53f3\u624b\u8bd7<\/a> &raquo; <a href=\"https:\/\/www.chenweikang.top\/?p=186\">Java \u51e0\u79cd\u7ebf\u7a0b\u6c60\u7684\u4f7f\u7528\u6848\u4f8b<\/a><\/p><div class=\"__youshang\">\r\n            <div id=\"__youshang_popup\" class=\"wechat popup\" style=\"display: none;\">\r\n                <div class=\"head\">~\u8c22\u8c22\u6253\u8d4f~<\/div>\r\n                <div class=\"qrcode\"><div class=\"qrcode-li wechat\" ><img src=\"https:\/\/www.chenweikang.top\/wp-content\/uploads\/2019\/07\/wexin.png\" \/><\/div><div class=\"qrcode-li alipay\" style=\"display:none;\"><img src=\"https:\/\/www.chenweikang.top\/wp-content\/uploads\/2019\/07\/ali-pay.png\" \/><\/div><div class=\"qrcode-li hongbao\" style=\"display:none;\"><img src=\"https:\/\/www.chenweikang.top\/wp-content\/uploads\/2019\/07\/ali-hongbao.png\" \/><\/div><\/div>\r\n                <ul class=\"platform\"><li class=\"icon-wechat active\" data-bg-color=\"#05af4e\" data-thanks=\"~\u8c22\u8c22\u6253\u8d4f~\"><\/li><li class=\"icon-alipay \" data-bg-color=\"#00a2ea\" data-thanks=\"~\u8c22\u8c22\u6253\u8d4f~\"><\/li><li class=\"icon-hongbao \" data-bg-color=\"#dd5746\" data-thanks=\"<p>\u626b\u7801\u9886\u7ea2\u5305<\/p><p style='margin-top: 24px;'>\uff08\u4f59\u989d\u5b9d\u652f\u4ed8\u65f6\u53ef\u62b5\u73b0\uff09<\/p>\"><\/li><\/ul>\r\n            <\/div>\r\n            <a href=\"javascript:void(0);\" id=\"__youshang_btn\">\u8d4f<\/a>\r\n        <\/div>","protected":false},"excerpt":{"rendered":"<p>Java\u901a\u8fc7Executors\u63d0\u4f9b\u56db\u79cd\u7ebf\u7a0b\u6c60\uff0c\u5206\u522b\u4e3a\uff1a newCachedThreadPool\u521b\u5efa\u4e00\u4e2a\u53ef\u7f13\u5b58\u7ebf [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":137,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[8],"tags":[20],"class_list":["post-186","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java","tag-java"],"_links":{"self":[{"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=\/wp\/v2\/posts\/186","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=186"}],"version-history":[{"count":0,"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=\/wp\/v2\/posts\/186\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=\/wp\/v2\/media\/137"}],"wp:attachment":[{"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=186"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=186"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chenweikang.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=186"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}