{"id":484,"date":"2019-03-06T10:51:31","date_gmt":"2019-03-06T02:51:31","guid":{"rendered":"https:\/\/fick707.com\/?p=484"},"modified":"2019-03-06T10:53:09","modified_gmt":"2019-03-06T02:53:09","slug":"java-ionio-thread","status":"publish","type":"post","link":"https:\/\/fick707.com\/?p=484","title":{"rendered":"java ionio thread"},"content":{"rendered":"<h2 id=\"toc_1\">java\u591a\u6001<\/h2>\n<p>\u5c01\u88c5\uff0c\u7ee7\u627f\uff0c\u591a\u6001\u662fjava\u7684\u4e09\u5927\u7279\u6027\uff1b<\/p>\n<p>Java\u5b9e\u73b0\u591a\u6001\u6709\u4e09\u4e2a\u5fc5\u8981\u6761\u4ef6\uff1a\u7ee7\u627f\u3001\u91cd\u5199\u3001\u5411\u4e0a\u8f6c\u578b\u3002<\/p>\n<p>\u591a\u6001\u7684\u5b9e\u73b0\uff1a\u7ee7\u627f\u548c\u501f\u53e3\uff1b<br \/>\n\u7ee7\u627f\u662f\u5b9e\u73b0\u591a\u6001\u7684\u65b9\u5f0f\u4e4b\u4e00\uff1b<\/p>\n<h2 id=\"toc_2\">NIO<\/h2>\n<p>\u603b\u7684\u6765\u8bf4java \u4e2d\u7684IO \u548cNIO\u7684\u533a\u522b\u4e3b\u8981\u67093\u70b9\uff1a<\/p>\n<p>IO\u662f\u9762\u5411\u6d41\u7684\uff0cNIO\u662f\u9762\u5411\u7f13\u51b2\u7684\uff1b<br \/>\nIO\u662f\u963b\u585e\u7684\uff0cNIO\u662f\u975e\u963b\u585e\u7684\uff1b<br \/>\nIO\u662f\u5355\u7ebf\u7a0b\u7684\uff0cNIO \u662f\u901a\u8fc7\u9009\u62e9\u5668\u6765\u6a21\u62df\u591a\u7ebf\u7a0b\u7684\uff1b<\/p>\n<p>\u4e00\u822c\u6765\u8bf4 I\/O \u6a21\u578b\u53ef\u4ee5\u5206\u4e3a\uff1a\u540c\u6b65\u963b\u585e\uff0c\u540c\u6b65\u975e\u963b\u585e\uff0c\u5f02\u6b65\u963b\u585e\uff0c\u5f02\u6b65\u975e\u963b\u585e \u56db\u79cdIO\u6a21\u578b\u3002<\/p>\n<h3 id=\"toc_3\">\u540c\u6b65\u963b\u585e IO \uff1a<\/h3>\n<p>\u5728\u6b64\u79cd\u65b9\u5f0f\u4e0b\uff0c\u7528\u6237\u8fdb\u7a0b\u5728\u53d1\u8d77\u4e00\u4e2a IO \u64cd\u4f5c\u4ee5\u540e\uff0c\u5fc5\u987b\u7b49\u5f85 IO \u64cd\u4f5c\u7684\u5b8c\u6210\uff0c\u53ea\u6709\u5f53\u771f\u6b63\u5b8c\u6210\u4e86 IO \u64cd\u4f5c\u4ee5\u540e\uff0c\u7528\u6237\u8fdb\u7a0b\u624d\u80fd\u8fd0\u884c\u3002 JAVA\u4f20\u7edf\u7684 IO \u6a21\u578b\u5c5e\u4e8e\u6b64\u79cd\u65b9\u5f0f\uff01<\/p>\n<h3 id=\"toc_4\">\u540c\u6b65\u975e\u963b\u585e IO:<\/h3>\n<p>\u5728\u6b64\u79cd\u65b9\u5f0f\u4e0b\uff0c\u7528\u6237\u8fdb\u7a0b\u53d1\u8d77\u4e00\u4e2a IO \u64cd\u4f5c\u4ee5\u540e\u53ef\u4ee5\u8fd4\u56de\u505a\u5176\u5b83\u4e8b\u60c5\uff0c\u4f46\u662f\u7528\u6237\u8fdb\u7a0b\u9700\u8981\u65f6\u4e0d\u65f6\u7684\u8be2\u95ee IO \u64cd\u4f5c\u662f\u5426\u5c31\u7eea\uff0c\u8fd9\u5c31\u8981\u6c42\u7528\u6237\u8fdb\u7a0b\u4e0d\u505c\u7684\u53bb\u8be2\u95ee\uff0c\u4ece\u800c\u5f15\u5165\u4e0d\u5fc5\u8981\u7684 CPU \u8d44\u6e90\u6d6a\u8d39\u3002\u5176\u4e2d\u76ee\u524d JAVA \u7684 NIO \u5c31\u5c5e\u4e8e\u540c\u6b65\u975e\u963b\u585e IO \u3002<\/p>\n<h3 id=\"toc_5\">\u5f02\u6b65\u963b\u585e IO \uff1a<\/h3>\n<p>\u6b64\u79cd\u65b9\u5f0f\u4e0b\u662f\u6307\u5e94\u7528\u53d1\u8d77\u4e00\u4e2a IO \u64cd\u4f5c\u4ee5\u540e\uff0c\u4e0d\u7b49\u5f85\u5185\u6838 IO \u64cd\u4f5c\u7684\u5b8c\u6210\uff0c\u7b49\u5185\u6838\u5b8c\u6210 IO \u64cd\u4f5c\u4ee5\u540e\u4f1a\u901a\u77e5\u5e94\u7528\u7a0b\u5e8f\uff0c\u8fd9\u5176\u5b9e\u5c31\u662f\u540c\u6b65\u548c\u5f02\u6b65\u6700\u5173\u952e\u7684\u533a\u522b\uff0c\u540c\u6b65\u5fc5\u987b\u7b49\u5f85\u6216\u8005\u4e3b\u52a8\u7684\u53bb\u8be2\u95ee IO \u662f\u5426\u5b8c\u6210\uff0c\u90a3\u4e48\u4e3a\u4ec0\u4e48\u8bf4\u662f\u963b\u585e\u7684\u5462\uff1f\u56e0\u4e3a\u6b64\u65f6\u662f\u901a\u8fc7 select \u7cfb\u7edf\u8c03\u7528\u6765\u5b8c\u6210\u7684\uff0c\u800c select \u51fd\u6570\u672c\u8eab\u7684\u5b9e\u73b0\u65b9\u5f0f\u662f\u963b\u585e\u7684\uff0c\u800c\u91c7\u7528 select \u51fd\u6570\u6709\u4e2a\u597d\u5904\u5c31\u662f\u5b83\u53ef\u4ee5\u540c\u65f6\u76d1\u542c\u591a\u4e2a\u6587\u4ef6\u53e5\u67c4\uff0c\u4ece\u800c\u63d0\u9ad8\u7cfb\u7edf\u7684\u5e76\u53d1\u6027\uff01<\/p>\n<h3 id=\"toc_6\">\u5f02\u6b65\u975e\u963b\u585e IO:<\/h3>\n<p>\u5728\u6b64\u79cd\u6a21\u5f0f\u4e0b\uff0c\u7528\u6237\u8fdb\u7a0b\u53ea\u9700\u8981\u53d1\u8d77\u4e00\u4e2a IO \u64cd\u4f5c\u7136\u540e\u7acb\u5373\u8fd4\u56de\uff0c\u7b49 IO \u64cd\u4f5c\u771f\u6b63\u7684\u5b8c\u6210\u4ee5\u540e\uff0c\u5e94\u7528\u7a0b\u5e8f\u4f1a\u5f97\u5230 IO \u64cd\u4f5c\u5b8c\u6210\u7684\u901a\u77e5\uff0c\u6b64\u65f6\u7528\u6237\u8fdb\u7a0b\u53ea\u9700\u8981\u5bf9\u6570\u636e\u8fdb\u884c\u5904\u7406\u5c31\u597d\u4e86\uff0c\u4e0d\u9700\u8981\u8fdb\u884c\u5b9e\u9645\u7684 IO \u8bfb\u5199\u64cd\u4f5c\uff0c\u56e0\u4e3a \u771f\u6b63\u7684 IO\u8bfb\u53d6\u6216\u8005\u5199\u5165\u64cd\u4f5c\u5df2\u7ecf\u7531 \u5185\u6838\u5b8c\u6210\u4e86\u3002\u76ee\u524d Java \u4e2d\u8fd8\u6ca1\u6709\u652f\u6301\u6b64\u79cd IO \u6a21\u578b\u3002<\/p>\n<p>java\u4f20\u7edf\u7684io\u662f\u57fa\u4e8e\u540c\u6b65\u963b\u585e\u7684io\u6a21\u578b\uff1b<\/p>\n<h2 id=\"toc_7\">\u9501<\/h2>\n<h3 id=\"toc_8\">\u9501\u7684\u5206\u7c7b<\/h3>\n<p>\u516c\u5e73\u9501\/\u975e\u516c\u5e73\u9501<br \/>\n\u53ef\u91cd\u5165\u9501<br \/>\n\u72ec\u4eab\u9501\/\u5171\u4eab\u9501<br \/>\n\u4e92\u65a5\u9501\/\u8bfb\u5199\u9501<br \/>\n\u4e50\u89c2\u9501\/\u60b2\u89c2\u9501<br \/>\n\u5206\u6bb5\u9501<br \/>\n\u504f\u5411\u9501\/\u8f7b\u91cf\u7ea7\u9501\/\u91cd\u91cf\u7ea7\u9501<br \/>\n\u81ea\u65cb\u9501<\/p>\n<p>IO\u5bc6\u96c6\u578b\u5e94\u7528\u9002\u5408\u591a\u7ebf\u7a0b\uff0c\u56e0\u4e3aio\u64cd\u4f5c\u5927\u591a\u4f1a\u963b\u585e\u7ebf\u7a0b\uff0ccpu\u5229\u7528\u7387\u4f4e\uff0c\u53ef\u4ee5\u591a\u5f00\u7ebf\u7a0b\uff1b Runnable\u6bd4Thread\u4f18\u52bf\u662fjava\u4e0d\u80fd\u591a\u7ee7\u627f\uff0c\u6240\u4ee5\u7ebf\u7a0b\u7c7b\u4e0d\u80fd\u518d\u7ee7\u627f\u5176\u4ed6\u7c7b\uff1b synchronized \u4e0d\u662f\u516c\u5e73\u9501\uff0c\u591a\u7ebf\u7a0b\u5c1d\u8bd5\u83b7\u53d6\uff0c\u8c01\u62a2\u5230\u662f\u8c01\u7684\uff1b<\/p>\n<p>\u6682\u505c\u7ebf\u7a0b suspend<br \/>\n\u653e\u5f03cpu\u8d44\u6e90 yield\u65b9\u6cd5<br \/>\n\u7ebf\u7a0b\u5177\u6709\u4f18\u5148\u7ea7\uff0c\u53ef\u4ee5\u901a\u8fc7\u65b9\u6cd5\u8bbe\u7f6e\u7ebf\u7a0b\u4f18\u5148\u7ea7\uff0ccpu\u4f1a\u5c06\u8d44\u6e90\u5c3d\u91cf\u7ed9\u4f18\u5148\u7ea7\u9ad8\u7684\u7ebf\u7a0b\uff0c\u4f46\u662f\u5f53\u4f18\u5148\u7ea7\u5dee\u522b\u4e0d\u5927\u7684\u65f6\u5019\uff0c\u4f18\u5148\u7ea7\u9ad8\u7684\u4e0d\u4e00\u5b9a\u5148\u6267\u884c\u5b8crun\u65b9\u6cd5<br \/>\n\u7ebf\u7a0b\u6709\u4e24\u79cd\uff0c\u4e00\u79cd\u7528\u6237\u7ebf\u7a0b\uff0c\u4e00\u79cd\u5b88\u62a4\u7ebf\u7a0b\uff0c\u76f4\u5230\u7528\u6237\u7ebf\u7a0b\u90fd\u9500\u6bc1\uff0c\u5b88\u62a4\u7ebf\u7a0b\u624d\u9500\u6bc1<br \/>\n\u6d88\u606f\u540c\u6b65<br \/>\nwait\u548cnotify\u5fc5\u987b\u662f\u5728\u540c\u6b65\u65b9\u6cd5\u548c\u540c\u6b65\u4ee3\u7801\u5757\u91cc\u9762\u8c03\u7528\uff0c\u8981\u4e0d\u7136\u4f1a\u629b\u51fa\u5f02\u5e38<br \/>\nnotify\u65b9\u6cd5\u662f\u7ee7\u627f\u81eaObject\u7c7b\uff0c\u53ef\u4ee5\u5524\u9192\u5728\u6b64\u5bf9\u8c61\u76d1\u89c6\u5668\u7b49\u5f85\u7684\u7ebf\u7a0b\uff0c\u4e5f\u5c31\u662f\u8bf4\u5524\u9192\u7684\u662f\u540c\u4e00\u4e2a\u9501\u7684\u7ebf\u7a0b<br \/>\nnotify\u65b9\u6cd5\u8c03\u7528\u4e4b\u540e\uff0c\u4e0d\u4f1a\u9a6c\u4e0a\u91ca\u653e\u9501\uff0c\u800c\u662f\u8fd0\u884c\u5b8c\u8be5\u540c\u6b65\u65b9\u6cd5\u6216\u8005\u662f\u8fd0\u884c\u5b8c\u8be5\u540c\u6b65\u4ee3\u7801\u5757\u7684\u4ee3\u7801<br \/>\n\u8c03\u7528notify\u540e\u968f\u673a\u5524\u9192\u7684\u662f\u4e00\u4e2a\u7ebf\u7a0b<br \/>\n\u8c03\u7528wait\u65b9\u6cd5\u540e\u4f1a\u5c06\u9501\u91ca\u653e<br \/>\nwait\u72b6\u6001\u4e0b\u4e2d\u65ad\u7ebf\u7a0b\u4f1a\u629b\u51fa\u5f02\u5e38<br \/>\nwait(long),\u8d85\u8fc7\u8bbe\u7f6e\u7684\u65f6\u95f4\u540e\u4f1a\u81ea\u52a8\u5524\u9192\uff0c\u8fd8\u6ca1\u8d85\u8fc7\u8be5\u65f6\u95f4\u4e5f\u53ef\u4ee5\u901a\u8fc7\u5176\u4ed6\u7ebf\u7a0b\u5524\u9192<br \/>\nnotifyAll\u53ef\u4ee5\u5524\u9192\u540c\u4e00\u9501\u7684\u6240\u6709\u7ebf\u7a0b<br \/>\n\u5982\u679c\u7ebf\u7a0b\u8fd8\u6ca1\u6709\u5904\u4e8e\u7b49\u5f85\u72b6\u6001\uff0c\u5176\u4ed6\u7ebf\u7a0b\u8fdb\u884c\u5524\u9192\uff0c\u90a3\u4e48\u4e0d\u4f1a\u8d77\u4f5c\u7528\uff0c\u6b64\u65f6\u4f1a\u6253\u4e71\u7a0b\u5e8f\u7684\u6b63\u5e38\u903b\u8f91<br \/>\nThreadLocal<\/p>\n<h3 id=\"toc_9\">ReentrantLock \u91cd\u5165\u9501<\/h3>\n<div>\n<pre class=\" language-none\"><code class=\" language-none\">public class MyService {\n\n    private Lock lock = new ReentrantLock();\n    private Condition condition=lock.newCondition();\n    public void testMethod() {\n        \n        try {\n            lock.lock();\n            System.out.println(\"\u5f00\u59cbwait\");\n            condition.await();\n            for (int i = 0; i &lt; 5; i++) {\n                System.out.println(\"ThreadName=\" + Thread.currentThread().getName()\n                        + (\" \" + (i + 1)));\n            }\n        } catch (InterruptedException e) {\n            \/\/ TODO \u81ea\u52a8\u751f\u6210\u7684 catch \u5757\n            e.printStackTrace();\n        }\n        finally\n        {\n            lock.unlock();\n        }\n    }\n}<\/code><\/pre>\n<\/div>\n<p>\u901a\u8fc7\u521b\u5efaCondition\u5bf9\u8c61\u6765\u4f7f\u7ebf\u7a0bwait\uff0c\u5fc5\u987b\u5148\u6267\u884clock.lock\u65b9\u6cd5\u83b7\u5f97\u9501<\/p>\n<div>\n<pre class=\" language-none\"><code class=\" language-none\">public void signal()\n    {\n        try\n        {\n            lock.lock();\n            condition.signal();\n        }\n        finally\n        {\n            lock.unlock();\n        }\n    }<\/code><\/pre>\n<\/div>\n<p>condition\u5bf9\u8c61\u7684signal\u65b9\u6cd5\u53ef\u4ee5\u5524\u9192wait\u7ebf\u7a0b<\/p>\n<div>\n<pre class=\" language-none\"><code class=\" language-none\">Lock lock=new ReentrantLock(true);\/\/\u516c\u5e73\u9501\nLock lock=new ReentrantLock(false);\/\/\u975e\u516c\u5e73\u9501<\/code><\/pre>\n<\/div>\n<p>\u516c\u5e73\u9501\u6307\u7684\u662f\u7ebf\u7a0b\u83b7\u53d6\u9501\u7684\u987a\u5e8f\u662f\u6309\u7167\u52a0\u9501\u987a\u5e8f\u6765\u7684\uff0c\u800c\u975e\u516c\u5e73\u9501\u6307\u7684\u662f\u62a2\u9501\u673a\u5236\uff0c\u5148lock\u7684\u7ebf\u7a0b\u4e0d\u4e00\u5b9a\u5148\u83b7\u5f97\u9501\u3002<\/p>\n<p>Lock\u7c7b\u6709\u8bfb\u9501\u548c\u5199\u9501\uff0c\u8bfb\u8bfb\u5171\u4eab\uff0c\u5199\u5199\u4e92\u65a5\uff0c\u8bfb\u5199\u4e92\u65a5<\/p>\n<h3 id=\"toc_10\">synchronized<\/h3>\n<p>synchronized\u5173\u952e\u5b57\u662f\u901a\u8fc7\u5b57\u8282\u7801\u6307\u4ee4\u6765\u5b9e\u73b0\u7684<br \/>\nsynchronized\u5173\u952e\u5b57\u7f16\u8bd1\u540e\u4f1a\u5728\u540c\u6b65\u5757\u524d\u540e\u5f62\u6210monitorenter\u548cmonitorexit\u4e24\u4e2a\u5b57\u8282\u7801\u6307\u4ee4<\/p>\n<h3 id=\"toc_11\">volatile<\/h3>\n<p>volatile boolean status = false;<br \/>\n\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684\u540c\u6b65\u9501\u673a\u5236\uff1b<br \/>\nvolatile\u7981\u6b62\u91cd\u6392\u5e8f\uff1b<\/p>\n<p>\u4fdd\u8bc1\u53d8\u91cf\u5bf9\u6240\u6709\u7684\u7ebf\u7a0b\u7684\u53ef\u89c1\u6027\uff0c\u5f53\u4e00\u4e2a\u7ebf\u7a0b\u4fee\u6539\u4e86\u8fd9\u4e2a\u53d8\u91cf\u7684\u503c\uff0c\u5176\u4ed6\u7ebf\u7a0b\u53ef\u4ee5\u7acb\u5373\u77e5\u9053\u8fd9\u4e2a\u65b0\u503c\uff08\u4e4b\u6240\u4ee5\u6709\u53ef\u89c1\u6027\u7684\u95ee\u9898\uff0c\u662f\u56e0\u4e3ajava\u7684\u5185\u5b58\u6a21\u578b\uff09<\/p>\n<p>\u6240\u6709\u53d8\u91cf\u90fd\u5b58\u5728\u4e3b\u5185\u5b58\uff0c\u6bcf\u6761\u7ebf\u7a0b\u6709\u81ea\u5df1\u7684\u5de5\u4f5c\u5185\u5b58\uff0c\u5de5\u4f5c\u5185\u5b58\u4fdd\u5b58\u4e86\u88ab\u8be5\u7ebf\u7a0b\u4f7f\u7528\u7684\u53d8\u91cf\u7684\u4e3b\u5185\u5b58\u526f\u672c\u62f7\u8d1d<br \/>\n\u7ebf\u7a0b\u5bf9\u53d8\u91cf\u7684\u6240\u6709\u64cd\u4f5c\u90fd\u5fc5\u987b\u5728\u5de5\u4f5c\u5185\u5b58\u4e2d\u8fdb\u884c\uff0c\u4e0d\u80fd\u76f4\u63a5\u8bfb\u5199\u4e3b\u5185\u5b58\u7684\u53d8\u91cf\uff0c\u4e5f\u5c31\u662f\u5fc5\u987b\u5148\u901a\u8fc7\u5de5\u4f5c\u5185\u5b58<br \/>\n\u4e00\u4e2a\u7ebf\u7a0b\u4e0d\u80fd\u8bbf\u95ee\u53e6\u4e00\u4e2a\u7ebf\u7a0b\u7684\u5de5\u4f5c\u5185\u5b58<\/p>\n<h3 id=\"toc_12\">Atomic<\/h3>\n<p>AtomicBoolean , AtomicInteger, AtomicLong, AtomicReference<br \/>\n\u5f53\u6709\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u5bf9\u5355\u4e2a\uff08\u5305\u62ec\u57fa\u672c\u7c7b\u578b\u53ca\u5f15\u7528\u7c7b\u578b\uff09\u53d8\u91cf\u8fdb\u884c\u64cd\u4f5c\u65f6\uff0c\u5177\u6709\u6392\u4ed6\u6027\uff0c\u5373\u5f53\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u5bf9\u8be5\u53d8\u91cf\u7684\u503c\u8fdb\u884c\u66f4\u65b0\u65f6\uff0c\u4ec5\u6709\u4e00\u4e2a\u7ebf\u7a0b\u80fd\u6210\u529f\uff0c\u800c\u672a\u6210\u529f\u7684\u7ebf\u7a0b\u53ef\u4ee5\u50cf\u81ea\u65cb\u9501\u4e00\u6837\uff0c\u7ee7\u7eed\u5c1d\u8bd5\uff0c\u4e00\u76f4\u7b49\u5230\u6267\u884c\u6210\u529f\u3002<br \/>\n\u5176\u539f\u7406\uff1aCAS\u64cd\u4f5c\uff08compare and swap 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id=\"toc_13\">\u7ebf\u7a0b\u6c60<\/h3>\n<p>\u65b0\u4efb\u52a1\u521b\u5efa\u7ebf\u7a0b\u4e0e\u5426\u903b\u8f91<br \/>\n\u6838\u5fc3\u7ebf\u7a0b\u6c60\u662f\u5426\u5df2\u6ee1\u2013&gt; \u961f\u5217\u662f\u5426\u5df2\u6ee1\u2013&gt; \u7ebf\u7a0b\u6c60\u662f\u5426\u5df2\u6ee1<br \/>\nThreadPoolExecutor<\/p>\n<p>\u914d\u7f6e\u7ebf\u7a0b\u6c60\uff1a<br \/>\ncpu\u5bc6\u96c6\u578b\u548cio\u5bc6\u96c6\u578b\u7ebf\u7a0b\u6570\u7684\u9009\u62e9\uff0ccpu\u5bc6\u96c6\u578b\u4e0d\u9700\u8981\u592a\u591a\u7684\u7ebf\u7a0b\uff0c\u53ef\u4ee5\u5145\u5206\u5229\u7528cpu\u8d44\u6e90\uff0cio\u5bc6\u96c6\u578b\u9002\u5f53\u591a\u7ebf\u7a0b\uff0cio\u963b\u585e\u65f6\u53ef\u4ee5\u5207\u6362\u81f3\u53e6\u4e00\u7ebf\u7a0b\u3002<br \/>\n\u4f18\u5148\u7ea7\u4e0d\u540c\u7684\u7684\u4efb\u52a1\u53ef\u4ee5\u4f7f\u7528PriorityBlockingQueue\u6765\u5904\u7406<br \/>\n\u5efa\u8bae\u4f7f\u7528\u6709\u754c\u961f\u5217\uff0c\u80fd\u591f\u589e\u52a0\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\uff08\u5982\u679c\u4f7f\u7528\u65e0\u754c\u961f\u5217\uff0c\u5f53\u51fa\u73b0\u95ee\u9898\u65f6\u5019\uff0c\u961f\u5217\u65e0\u9650\u589e\u957f\uff0c\u6b64\u65f6\u53ef\u80fd\u4f1a\u5360\u7528\u5927\u91cf\u5185\u5b58\uff0c\u5bfc\u81f4\u7cfb\u7edf\u51fa\u73b0\u95ee\u9898\uff09\u548c\u9884\u8b66\u80fd\u529b\uff08\u5f53\u51fa\u73b0\u961f\u5217\u5360\u6ee1\u7684\u65f6\u5019\uff0c\u629b\u51fa\u5f02\u5e38\uff0c\u53ef\u4ee5\u8ba9\u5f00\u53d1\u4eba\u5458\u53ca\u65f6\u53d1\u73b0\uff09<\/p>\n<p>CompletionService \u53ef\u4ee5\u5b9e\u73b0\u5728\u5355\u7ebf\u7a0b\u4e2d\u5c06\u4e0b\u6e38\u4efb\u52a1\u591a\u7ebf\u7a0b\u8bdd<\/p>\n","protected":false},"excerpt":{"rendered":"<p>java\u591a\u6001 \u5c01\u88c5\uff0c\u7ee7\u627f\uff0c\u591a\u6001\u662fjava\u7684\u4e09\u5927\u7279\u6027\uff1b Java\u5b9e\u73b0\u591a\u6001\u6709\u4e09\u4e2a\u5fc5\u8981\u6761\u4ef6\uff1a\u7ee7\u627f\u3001\u91cd\u5199\u3001\u5411 &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"series":[],"class_list":["post-484","post","type-post","status-publish","format-standard","hentry","category-programmers"],"_links":{"self":[{"href":"https:\/\/fick707.com\/index.php?rest_route=\/wp\/v2\/posts\/484"}],"collection":[{"href":"https:\/\/fick707.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fick707.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fick707.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fick707.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=484"}],"version-history":[{"count":2,"href":"https:\/\/fick707.com\/index.php?rest_route=\/wp\/v2\/posts\/484\/revisions"}],"predecessor-version":[{"id":489,"href":"https:\/\/fick707.com\/index.php?rest_route=\/wp\/v2\/posts\/484\/revisions\/489"}],"wp:attachment":[{"href":"https:\/\/fick707.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=484"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fick707.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=484"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fick707.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=484"},{"taxonomy":"series","embeddable":true,"href":"https:\/\/fick707.com\/index.php?rest_route=%2Fwp%2Fv2%2Fseries&post=484"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}