\npublic class MyThreadPool {\n\n \/\/ 1. \u7ebf\u7a0b\u4ec0\u4e48\u65f6\u5019\u521b\u5efa\n \/\/ 2 \u7ebf\u7a0b\u7684runnable\u662f\u4ec0\u4e48\uff1f\u662f\u6211\u4eec\u63d0\u4ea4command\u5417\uff1f\n List<Thread> threadList = new ArrayList<>();\n\n void execute(Runnable command) {\n Thread thread = new Thread(command);\n threadList.add(thread);\n thread.start();\n }\n}<\/code><\/pre>\n\n\n\n\u7b2c\u4e00\uff0c\u65e2\u7136\u6211\u4eec\u53eb\u201c\u7ebf\u7a0b\u6c60\u201d\uff0c\u76ee\u7684\u5c31\u662f\u907f\u514d\u9891\u7e41\u521b\u5efa\u548c\u9500\u6bc1\u7ebf\u7a0b\uff0c\u56e0\u4e3a\u7ebf\u7a0b\u7684\u521b\u5efa\u662f\u975e\u5e38\u6d88\u8017\u8d44\u6e90\u7684\u3002\u5982\u679c\u6211\u4eec\u6bcf\u6b21\u63d0\u4ea4\u4efb\u52a1\u90fd\u65b0\u5efa\u7ebf\u7a0b\uff0c\u90a3\u5c31\u5931\u53bb\u4e86\u7ebf\u7a0b\u6c60\u7684\u610f\u4e49\u3002<\/p>\n\n\n\n
\u7b2c\u4e8c\uff0c\u6211\u4eec\u65e0\u6cd5\u7ba1\u7406\u8fd9\u4e9b\u7ebf\u7a0b\u3002\u867d\u7136\u6211\u4eec\u53ef\u4ee5\u628a\u6bcf\u6b21\u521b\u5efa\u7684\u7ebf\u7a0b\u5bf9\u8c61\u63d0\u51fa\u6765\uff0c\u5b58\u5165\u4e00\u4e2a\u96c6\u5408\u4e2d\uff0c\u6bd4\u5982 `List<Thread> threadList`\uff0c\u7136\u540e\u6bcf\u6b21\u521b\u5efa\u5b8c\u7ebf\u7a0b\u5c31\u52a0\u5165\u8fd9\u4e2a\u96c6\u5408\u8fdb\u884c\u7ba1\u7406\uff0c\u4f46\u8fd9\u4ecd\u7136\u6ca1\u6709\u89e3\u51b3\u7ebf\u7a0b\u590d\u7528\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n
\u6211\u4eec\u8fdb\u4e00\u6b65\u601d\u8003\uff1a\u8fd9\u4e2a\u7ebf\u7a0b\u53ef\u4ee5\u590d\u7528\u5417\uff1f\u6bd4\u5982\u5f53\u7ebf\u7a0b\u6267\u884c\u5b8c\u4e00\u4e2a\u4efb\u52a1\u540e\uff0c\u80fd\u4e0d\u80fd\u518d\u6267\u884c\u4e0b\u4e00\u4e2a\u4efb\u52a1\uff1f<\/p>\n\n\n\n
\u7b54\u6848\u662f\uff1a\u4e0d\u80fd\u3002\u56e0\u4e3a\u4e00\u4e2a\u7ebf\u7a0b\u7684\u751f\u547d\u5468\u671f\u662f\u4ece `start()` \u5f00\u59cb\uff0c\u5230\u5b83\u6267\u884c\u5b8c\u81ea\u5df1\u7684 `run()` \u65b9\u6cd5\u7ed3\u675f\u3002\u4e00\u65e6\u4efb\u52a1\u6267\u884c\u5b8c\u6bd5\uff0c\u7ebf\u7a0b\u5c31\u4f1a\u7ec8\u6b62\uff0c\u65e0\u6cd5\u518d\u6b21\u7528\u6765\u6267\u884c\u53e6\u4e00\u4e2a\u4efb\u52a1\u3002<\/p>\n\n\n\n
\u6240\u4ee5\u6211\u4eec\u9700\u8981\u6362\u4e00\u79cd\u601d\u8def\u3002\u6211\u4eec\u7b80\u5316\u4e00\u4e0b\u573a\u666f\uff1a\u5047\u8bbe\u6211\u4eec\u7684\u7ebf\u7a0b\u6c60\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u3002\u90a3\u4e48\u8fd9\u4e2a\u7ebf\u7a0b\u5e94\u8be5\u505a\u4ec0\u4e48\uff1f<\/p>\n\n\n\n
\u6211\u4eec\u53ef\u4ee5\u8bbe\u8ba1\u4e00\u4e2a\u4efb\u52a1\u961f\u5217\uff0c\u6bd4\u5982 `List<Runnable> commandList`\uff0c\u7528\u6765\u5b58\u653e\u6240\u6709\u7528\u6237\u63d0\u4ea4\u7684\u4efb\u52a1\u3002\u6bcf\u6b21\u8c03\u7528 `execute` \u65b9\u6cd5\u65f6\uff0c\u5c31\u628a `command` \u6dfb\u52a0\u5230\u8fd9\u4e2a\u5217\u8868\u4e2d\u3002\u7136\u540e\u90a3\u4e2a\u552f\u4e00\u7684\u7ebf\u7a0b\u5199\u4e00\u4e2a\u6b7b\u5faa\u73af\uff0c\u4e0d\u65ad\u68c0\u67e5\u8fd9\u4e2a\u5217\u8868\u662f\u5426\u4e3a\u7a7a\uff0c\u5982\u679c\u4e0d\u4e3a\u7a7a\uff0c\u5c31\u53d6\u51fa\u7b2c\u4e00\u4e2a\u4efb\u52a1\u6267\u884c\u3002<\/p>\n\n\n\n
\u6bd4\u5982\uff1a<\/p>\n\n\n\n
public class MyThreadPool {\n\n List<Runnable> commandList = new ArrayList<>();\n\n Thread thread = new Thread(() ->{\n while (true){\n if (!commandList.isEmpty()) {\n Runnable command = commandList.remove(0);\n command.run();\n }\n }\n });\n\n void execute(Runnable command) {\n commandList.add(command);\n }\n}<\/code><\/pre>\n\n\n\n\u8fd9\u6837\uff0c\u8fd9\u4e2a\u7ebf\u7a0b\u5c31\u53ef\u4ee5\u4e0d\u65ad\u4ece\u961f\u5217\u4e2d\u53d6\u4efb\u52a1\u6267\u884c\uff0c\u5b9e\u73b0\u4e86\u7ebf\u7a0b\u7684\u590d\u7528\u3002<\/p>\n\n\n\n
\u4f46\u4f60\u73b0\u5728\u5e94\u8be5\u5df2\u7ecf\u53d1\u73b0\u95ee\u9898\u4e86\uff1a\u5982\u679c `commandList` \u662f\u7a7a\u7684\uff0c\u8fd9\u4e2a `while(true)` \u5c31\u4f1a\u4e00\u76f4\u7a7a\u8f6c\uff0c\u767d\u767d\u6d88\u8017 CPU \u8d44\u6e90\u3002<\/p>\n\n\n\n
\u90a3\u6709\u6ca1\u6709\u4e00\u79cd\u5bb9\u5668\uff0c\u53ef\u4ee5\u5728\u4e3a\u7a7a\u65f6\u81ea\u52a8\u963b\u585e\u7ebf\u7a0b\uff0c\u6709\u5143\u7d20\u65f6\u81ea\u52a8\u5524\u9192\u7ebf\u7a0b\u53d6\u51fa\u5143\u7d20\uff1f\u7b54\u6848\u662f\uff1a**\u963b\u585e\u961f\u5217**\uff08BlockingQueue\uff09\u3002<\/p>\n\n\n\n
\u6211\u4eec\u73b0\u5728\u628a `List` \u6362\u6210 `BlockingQueue<Runnable> blockingQueue`\u3002\u56e0\u4e3a `BlockingQueue` \u662f\u63a5\u53e3\uff0c\u6211\u4eec\u9700\u8981\u6307\u5b9a\u4e00\u4e2a\u5b9e\u73b0\u7c7b\uff0c\u6bd4\u5982 `ArrayBlockingQueue`\uff0c\u5e76\u4f20\u5165\u4e00\u4e2a\u5bb9\u91cf\u3002<\/p>\n\n\n\n
\u8fd9\u6837\u6211\u4eec\u5c31\u4e0d\u518d\u9700\u8981\u624b\u52a8\u5224\u65ad\u961f\u5217\u662f\u5426\u4e3a\u7a7a\u3002\u6211\u4eec\u4f7f\u7528 `blockingQueue.take()` \u65b9\u6cd5\uff0c\u8fd9\u4e2a\u65b9\u6cd5\u5728\u961f\u5217\u4e3a\u7a7a\u65f6\u4f1a\u81ea\u52a8\u963b\u585e\u5f53\u524d\u7ebf\u7a0b\uff0c\u76f4\u5230\u6709\u4efb\u52a1\u88ab\u653e\u5165\u961f\u5217\u3002<\/p>\n\n\n\n
\u5f53\u7136\uff0c`take()` \u65b9\u6cd5\u4f1a\u629b\u51fa `InterruptedException` \u5f02\u5e38\u3002\u8fd9\u4e2a\u5f02\u5e38\u5728\u591a\u7ebf\u7a0b\u4e2d\u975e\u5e38\u5e38\u89c1\uff1a\u5f53\u7ebf\u7a0b\u5728\u963b\u585e\u6216\u7b49\u5f85\u72b6\u6001\u65f6\uff0c\u5982\u679c\u88ab\u5176\u4ed6\u7ebf\u7a0b\u8c03\u7528\u4e86 `interrupt()`\uff0c\u5c31\u4f1a\u629b\u51fa\u8fd9\u4e2a\u5f02\u5e38\u3002\u6211\u4eec\u5fc5\u987b\u624b\u52a8\u5904\u7406\u5b83\u3002<\/p>\n\n\n\n
\u6bd4\u5982\uff1a
try {
Runnable command = blockingQueue.take();
command.run();
} catch (InterruptedException e) {
\/\/ \u5904\u7406\u4e2d\u65ad
Thread.currentThread().interrupt(); \/\/ \u91cd\u65b0\u8bbe\u7f6e\u4e2d\u65ad\u6807\u5fd7
}<\/p>\n\n\n\n
\u4e0d\u53ea\u662f `take()`\uff0c`Thread.sleep()`\u3001`CountDownLatch.await()` \u7b49\u51e0\u4e4e\u6240\u6709\u9700\u8981\u7b49\u5f85\u7684 API \u90fd\u4f1a\u629b\u51fa `InterruptedException`\u3002\u552f\u4e00\u7684\u4f8b\u5916\u662f `LockSupport.park()`\uff0c\u5b83\u4e0d\u4f1a\u629b\u51fa\u5f02\u5e38\uff0c\u800c\u662f\u901a\u8fc7\u4e2d\u65ad\u72b6\u6001\u6765\u6807\u8bb0\uff0c\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u5728\u5199\u5e95\u5c42\u591a\u7ebf\u7a0b\u4ee3\u7801\u65f6\uff0c\u5f88\u591a\u4eba\u66f4\u559c\u6b22\u7528 `LockSupport`\u3002<\/p>\n\n\n\n
\u6211\u4eec\u7ee7\u7eed\u5b8c\u5584\u4ee3\u7801\u3002\u4ece `blockingQueue` \u4e2d\u62ff\u5230 `command` \u540e\uff0c\u5c31\u6267\u884c `command.run()`\u3002\u6211\u4eec\u628a\u8fd9\u4e2a\u963b\u585e\u961f\u5217\u547d\u540d\u4e3a `blockingQueue`\u3002<\/p>\n\n\n\n
public class MyThreadPool {\n\n BlockingQueue<Runnable> blockingQueue = new ArrayBlockingQueue<>(1024);\n\n Thread thread = new Thread(() ->{\n while (true){\n try {\n Runnable command = blockingQueue.take();\n command.run();\n } catch (InterruptedException e) {\n throw new RuntimeException(e);\n }\n }\n });\n\n void execute(Runnable command) {\n blockingQueue.add(command);\n }\n}<\/code><\/pre>\n\n\n\n\u5728\u6dfb\u52a0\u4efb\u52a1\u65f6\uff0c\u6211\u4eec\u5c3d\u91cf\u4e0d\u8981\u7528 `add()` \u65b9\u6cd5\uff0c\u800c\u8981\u7528 `offer()`\u3002\u867d\u7136 `add()` \u548c `offer()` \u90fd\u662f\u5f80\u961f\u5217\u4e2d\u6dfb\u52a0\u5143\u7d20\uff0c\u4f46\u8bed\u4e49\u4e0d\u540c\uff1a`add()` \u5728\u961f\u5217\u6ee1\u65f6\u4f1a\u629b\u51fa `IllegalStateException`\uff0c\u800c `offer()` \u4f1a\u8fd4\u56de\u4e00\u4e2a\u5e03\u5c14\u503c\uff0c\u8868\u793a\u662f\u5426\u6dfb\u52a0\u6210\u529f\u3002\u6211\u4eec\u672a\u6765\u4f1a\u7528\u5230\u8fd9\u4e2a\u8fd4\u56de\u503c\u6765\u505a\u5224\u65ad\uff0c\u6240\u4ee5\u7edf\u4e00\u4f7f\u7528 `offer()`\u3002<\/p>\n\n\n\n
\u5176\u5b9e\uff0c\u4e00\u4e2a\u5355\u7ebf\u7a0b\u7684\u7ebf\u7a0b\u6c60\u5230\u8fd9\u91cc\u5df2\u7ecf\u57fa\u672c\u5b8c\u6210\u4e86\u3002\u4f46\u6211\u4eec\u53ea\u521b\u5efa\u4e86\u7ebf\u7a0b\u5bf9\u8c61\uff0c\u8fd8\u6ca1\u6709\u542f\u52a8\u5b83\u3002\u6211\u4eec\u9700\u8981\u624b\u52a8\u8c03\u7528 `thread.start()`\uff0c\u5e76\u7ed9\u8fd9\u4e2a\u7ebf\u7a0b\u8d77\u4e2a\u540d\u5b57\uff0c\u6bd4\u5982\u201c\u552f\u4e00\u7ebf\u7a0b\u201d\u3002<\/p>\n\n\n\n
\u56de\u5230\u4e3b\u51fd\u6570\u6267\u884c\u7a0b\u5e8f\uff1a\u6211\u4eec\u5faa\u73af\u4e94\u6b21\u63d0\u4ea4\u4efb\u52a1\uff0c\u4e3b\u7ebf\u7a0b\u6253\u5370\u201c\u4e3b\u7ebf\u7a0b\u6ca1\u6709\u88ab\u963b\u585e\u201d\uff0c\u8bf4\u660e\u4e3b\u7ebf\u7a0b\u6ca1\u6709\u5361\u4f4f\u3002\u4e94\u4e2a\u4efb\u52a1\u7531\u540c\u4e00\u4e2a\u7ebf\u7a0b\u4f9d\u6b21\u6267\u884c\uff0c\u6bcf\u4e2a\u4efb\u52a1\u7761\u7720\u4e00\u79d2\u540e\u6253\u5370\u7ebf\u7a0b\u540d\uff0c\u6240\u4ee5\u8f93\u51fa\u662f\u4e94\u6b21\u76f8\u540c\u7684\u7ebf\u7a0b\u540d\uff0c\u95f4\u9694\u4e00\u79d2\u3002<\/p>\n\n\n\n
\u4f46\u7a0b\u5e8f\u6ca1\u6709\u7ec8\u6b62\uff0c\u6211\u4eec\u53ea\u80fd\u624b\u52a8\u7ed3\u675f\u3002\u4e3a\u4ec0\u4e48\uff1f\u56e0\u4e3a\u90a3\u4e2a\u552f\u4e00\u7ebf\u7a0b\u4e00\u76f4\u5728 `take()` \u4e0a\u963b\u585e\uff0c\u7b49\u5f85\u65b0\u4efb\u52a1\u3002\u53ea\u8981\u6ca1\u6709\u4efb\u52a1\uff0c\u5b83\u5c31\u4e0d\u4f1a\u9000\u51fa\u3002<\/p>\n\n\n\n
\u8fd9\u5c31\u662f\u6211\u4eec\u5f53\u524d\u7ebf\u7a0b\u6c60\u7684\u903b\u8f91\uff1a\u5355\u7ebf\u7a0b\u5904\u7406\u6240\u6709\u4efb\u52a1\uff0c\u65e0\u9650\u7b49\u5f85\u3002<\/p>\n\n\n\n
\u4f46\u4e00\u4e2a\u7ebf\u7a0b\u663e\u7136\u4e0d\u80fd\u6ee1\u8db3\u5b9e\u9645\u9700\u6c42\uff0c\u6211\u4eec\u9700\u8981\u66f4\u591a\u7ebf\u7a0b\u3002\u4e8e\u662f\u6211\u4eec\u628a\u7ebf\u7a0b\u6267\u884c\u7684\u8fd9\u6bb5\u903b\u8f91\u62bd\u51fa\u6765\uff0c\u5c01\u88c5\u6210\u4e00\u4e2a `Runnable`\uff0c\u53eb\u505a `task`\u3002\u8fd9\u4e2a `task` \u5c31\u662f\u6240\u6709\u7ebf\u7a0b\u90fd\u8981\u6267\u884c\u7684\u516c\u5171\u903b\u8f91\uff1a\u4e0d\u65ad\u4ece\u963b\u585e\u961f\u5217\u53d6\u4efb\u52a1\u5e76\u6267\u884c\u3002<\/p>\n\n\n\n
\u7136\u540e\u6211\u4eec\u628a\u7ebf\u7a0b\u4e5f\u53d8\u6210\u4e00\u4e2a\u96c6\u5408\uff0c`List<Thread> threadList`\uff0c\u8868\u793a\u7ebf\u7a0b\u6c60\u4e2d\u7684\u6240\u6709\u5de5\u4f5c\u7ebf\u7a0b\u3002<\/p>\n\n\n\n
public class MyThreadPool {\n\n BlockingQueue<Runnable> blockingQueue = new ArrayBlockingQueue<>(1024);\n\n private final Runnable task = () -> {\n while (true) {\n try {\n Runnable command = blockingQueue.take();\n command.run();\n } catch (InterruptedException e) {\n throw new RuntimeException(e);\n }\n }\n };\n\n List<Thread> threadList = new ArrayList<>();\n\n void execute(Runnable command) {\n boolean offer = blockingQueue.offer(command);\n }\n}<\/code><\/pre>\n\n\n\n\u73b0\u5728\u95ee\u9898\u6765\u4e86\uff1a`threadList` \u91cc\u8be5\u653e\u591a\u5c11\u4e2a\u7ebf\u7a0b\u5408\u9002\uff1f\u6709\u4eba\u8bf46\u4e2a\uff0c\u6709\u4eba\u8bf410\u4e2a\uff0c\u6709\u4eba\u8bf412\u4e2a\u3002\u6211\u4eec\u4e0d\u786c\u7f16\u7801\uff0c\u800c\u662f\u7528\u4e00\u4e2a\u53d8\u91cf\u63a7\u5236\uff0c\u53eb\u505a `corePoolSize`\uff0c\u6bd4\u5982\u8bbe\u4e3a10\uff0c\u8868\u793a\u6211\u4eec\u5e0c\u671b\u6838\u5fc3\u7ebf\u7a0b\u6570\u662f10\u4e2a\u3002<\/p>\n\n\n\n
\u6211\u4eec\u5b9a\u4e49 `execute` \u7684\u6d41\u7a0b\uff1a<\/p>\n\n\n\n
1. \u5982\u679c\u5f53\u524d `threadList.size() < corePoolSize`\uff0c\u5c31\u521b\u5efa\u65b0\u7ebf\u7a0b\uff1b
2. \u521b\u5efa\u7ebf\u7a0b\u65f6\uff0c\u628a\u4e0a\u9762\u90a3\u4e2a `task` \u4f5c\u4e3a `Runnable` \u4f20\u5165\uff0c\u8fd9\u6837\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u4f1a\u4e0d\u65ad\u4ece\u961f\u5217\u53d6\u4efb\u52a1\uff1b
3. \u628a\u65b0\u7ebf\u7a0b\u52a0\u5165 `threadList` \u5e76\u542f\u52a8\uff1b
4. \u5982\u679c\u7ebf\u7a0b\u6570\u5df2\u8fbe\u5230 `corePoolSize`\uff0c\u5c31\u4e0d\u518d\u521b\u5efa\u7ebf\u7a0b\uff0c\u76f4\u63a5\u628a\u4efb\u52a1 `offer` \u5230\u963b\u585e\u961f\u5217\u3002<\/p>\n\n\n\n
public class MyThreadPool {\n\n BlockingQueue<Runnable> blockingQueue = new ArrayBlockingQueue<>(1024);\n\n private final Runnable task = () -> {\n while (true) {\n try {\n Runnable command = blockingQueue.take();\n command.run();\n } catch (InterruptedException e) {\n throw new RuntimeException(e);\n }\n }\n };\n\n private int corePoolSize = 10;\n \/\/ \u6211\u4eec\u7684\u7ebf\u7a0b\u6c60 \u5e94\u8be5\u6709\u591a\u5c11\u4e2a\u7ebf\u7a0b\uff1f\n List<Thread> threadList = new ArrayList<>();\n\n \/\/ \u6211\u4eec\u5224\u65adthread list\u4e2d \u6709\u591a\u5c11\u4e2a\u5143\u7d20 \u5982\u679c\u6ca1\u5230core pool size \u90a3\u4e48\u6211\u4eec\u5c31\u521b\u5efa\u7ebf\u7a0b\n void execute(Runnable command) {\n if (threadList.size() < corePoolSize) {\n Thread thread = new Thread(task);\n threadList.add(thread);\n thread.start();\n }\n boolean offer = blockingQueue.offer(command);\n }\n}<\/code><\/pre>\n\n\n\n\u4f46\u8fd9\u91cc\u6709\u4e2a\u95ee\u9898\uff1a\u5982\u679c `offer` \u8fd4\u56de `false`\uff0c\u8bf4\u660e\u961f\u5217\u6ee1\u4e86\uff0c\u4efb\u52a1\u63d0\u4ea4\u5931\u8d25\u3002\u6b64\u65f6\u6211\u4eec\u662f\u5426\u8fd8\u80fd\u521b\u5efa\u66f4\u591a\u7ebf\u7a0b\u6765\u5904\u7406\u4efb\u52a1\uff1f<\/p>\n\n\n\n
\u5f53\u7136\u53ef\u4ee5\u3002\u8fd9\u5c31\u662f\u201c\u6269\u5c55\u7ebf\u7a0b\u201d\u7684\u6982\u5ff5\u3002\u6211\u4eec\u628a\u539f\u6765\u7684 `threadList` \u6539\u540d\u4e3a `coreThreadList`\uff0c\u8868\u793a\u8fd9\u662f\u6838\u5fc3\u7ebf\u7a0b\u96c6\u5408\u3002\u5f53\u961f\u5217\u6ee1\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u201c\u8f85\u52a9\u7ebf\u7a0b\u201d\u6765\u5e2e\u5fd9\uff0c\u8fd9\u4e9b\u7ebf\u7a0b\u4e0d\u5c5e\u4e8e\u6838\u5fc3\u7ebf\u7a0b\uff0c\u6211\u4eec\u628a\u5b83\u4eec\u653e\u5728\u53e6\u4e00\u4e2a\u96c6\u5408 `supportThreadList` \u4e2d\u3002<\/p>\n\n\n\n
\u6d41\u7a0b\u8c03\u6574\u4e3a\uff1a<\/p>\n\n\n\n
- \u5982\u679c\u6838\u5fc3\u7ebf\u7a0b\u4e0d\u8db3\uff0c\u521b\u5efa\u6838\u5fc3\u7ebf\u7a0b\uff1b
- \u5982\u679c\u6838\u5fc3\u7ebf\u7a0b\u5df2\u6ee1\uff0c\u5c1d\u8bd5\u5c06\u4efb\u52a1\u52a0\u5165\u961f\u5217\uff1b
- \u5982\u679c\u961f\u5217\u6ee1\uff0c\u4e14\u8f85\u52a9\u7ebf\u7a0b\u672a\u8fbe\u5230\u4e0a\u9650\uff0c\u5219\u521b\u5efa\u8f85\u52a9\u7ebf\u7a0b\uff1b
- \u5982\u679c\u8f85\u52a9\u7ebf\u7a0b\u4e5f\u6ee1\u4e86\uff0c\u6267\u884c\u62d2\u7edd\u7b56\u7565\u3002<\/p>\n\n\n\n
\u6211\u4eec\u5f15\u5165 `maxPoolSize` \u8868\u793a\u6700\u5927\u7ebf\u7a0b\u6570\u3002\u5224\u65ad\u662f\u5426\u8fd8\u80fd\u521b\u5efa\u8f85\u52a9\u7ebf\u7a0b\u7684\u6761\u4ef6\u662f\uff1a`coreThreadList.size() + supportThreadList.size() < maxPoolSize`\u3002\u8fd8\u6709\u5c31\u662f\u8f85\u52a9\u7ebf\u7a0b\u6ee1\u4e86\u600e\u4e48\u529e\u5462\uff1f<\/p>\n\n\n\n
\u4e3a\u4e86\u4ee3\u7801\u6e05\u6670\uff0c\u6211\u4eec\u7528 `if-else` \u7ed3\u6784\u4f18\u5316\u903b\u8f91\uff1a<\/p>\n\n\n\n
```java
if (\u6838\u5fc3\u7ebf\u7a0b\u4e0d\u8db3) {
\u521b\u5efa\u6838\u5fc3\u7ebf\u7a0b\u5e76\u542f\u52a8
} else if (\u6210\u529f\u5c06\u4efb\u52a1\u653e\u5165\u961f\u5217) {
\u8fd4\u56de
} else if (\u8f85\u52a9\u7ebf\u7a0b\u672a\u6ee1) {
\u521b\u5efa\u8f85\u52a9\u7ebf\u7a0b\u5e76\u542f\u52a8
} else {
\u6267\u884c\u62d2\u7edd\u7b56\u7565
}
```<\/p>\n\n\n\n
private int corePoolSize = 10;\nprivate int maxSize = 16;\nList<Thread> coreList = new ArrayList<>();\nList<Thread> supportList = new ArrayList<>();\n\nvoid execute(Runnable command) {\n if (coreList.size() < corePoolSize) {\n Thread thread = new Thread(task);\n coreList.add(thread);\n thread.start();\n }\n if (blockingQueue.offer(command)) {\n return;\n }\n if (coreList.size() + supportList.size() < maxSize) {\n Thread thread = new Thread(task);\n supportList.add(thread);\n thread.start();\n }\n}<\/code><\/pre>\n\n\n\n\u4f46\u8fd9\u91cc\u5b58\u5728\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\uff1a\u5224\u65ad\u96c6\u5408\u5927\u5c0f\u548c\u6dfb\u52a0\u7ebf\u7a0b\u4e0d\u662f\u539f\u5b50\u64cd\u4f5c\uff0c\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b\u53ef\u80fd\u51fa\u9519\u3002\u771f\u5b9e\u7ebf\u7a0b\u6c60\u4f1a\u7528 `AtomicInteger` \u6216\u52a0\u9501\u89e3\u51b3\uff0c\u8fd9\u91cc\u6211\u4eec\u53ea\u662f\u6f14\u793a\uff0c\u6682\u4e0d\u5904\u7406\u3002<\/p>\n\n\n\n
\npublic class MyThreadPool {\n List<Thread> coreList = new ArrayList<>();\n List<Thread> supportList = new ArrayList<>();\n\n void execute(Runnable command) {\n if (coreList.size() < corePoolSize) {\n Thread thread = new Thread(task);\n coreList.add(thread);\n thread.start();\n }\n if (blockingQueue.offer(command)) {\n return;\n }\n if (coreList.size() + supportList.size() < maxSize) {\n Thread thread = new Thread(task);\n supportList.add(thread);\n thread.start();\n }\n if (!blockingQueue.offer(command)) {\n throw new RuntimeException(\"\u963b\u585e\u961f\u5217\u6ee1\u4e86\uff01\");\n }\n }\n}<\/code><\/pre>\n<\/blockquote>\n\n\n\n\u8fd8\u6709\u4e00\u4e2a\u95ee\u9898\uff1a\u8f85\u52a9\u7ebf\u7a0b\u5982\u4f55\u7ed3\u675f\uff1f\u6211\u4eec\u4e0d\u5e0c\u671b\u5b83\u4eec\u4e00\u76f4\u5b58\u5728\u3002\u53ef\u4ee5\u8ba9\u8f85\u52a9\u7ebf\u7a0b\u5728\u7a7a\u95f2\u4e00\u6bb5\u65f6\u95f4\u540e\u81ea\u52a8\u9000\u51fa\u3002\u6211\u4eec\u8bbe\u7f6e\u4e00\u4e2a\u8d85\u65f6\u65f6\u95f4\u8fd8\u6ca1\u6709\u963b\u585e\u961f\u5217\u62ff\u5230\u4efb\u52a1<\/p>\n\n\n\n
\u6211\u4eec\u4fee\u6539\u8f85\u52a9\u7ebf\u7a0b\u7684\u903b\u8f91\uff1a\u5b83\u4e0d\u518d\u4f7f\u7528 `take()`\uff0c\u800c\u662f\u4f7f\u7528 `poll(timeout, unit)`\uff0c\u6bd4\u5982 `poll(1, TimeUnit.SECONDS)`\u3002\u5982\u679c\u57281\u79d2\u5185\u6ca1\u6709\u62ff\u5230\u4efb\u52a1\uff0c`poll` \u8fd4\u56de `null`\uff0c\u7ebf\u7a0b\u5c31\u53ef\u4ee5\u9000\u51fa\u5faa\u73af\uff0c\u7ed3\u675f\u751f\u547d\u5468\u671f\u3002<\/p>\n\n\n\n
\u6211\u4eec\u628a\u8fd9\u4e2a\u8d85\u65f6\u65f6\u95f4 `timeout` \u548c `TimeUnit` \u4e5f\u4f5c\u4e3a\u53c2\u6570\u66b4\u9732\u51fa\u6765\u3002<\/p>\n\n\n\n
\u6700\u7ec8\uff0c\u6211\u4eec\u5c06\u6240\u6709\u53c2\u6570\u653e\u5728\u6784\u9020\u51fd\u6570\u4e2d\uff1a`corePoolSize`\u3001`maxPoolSize`\u3001`keepAliveTime`\u3001`timeUnit`\u3001`blockingQueue`\u3001`rejectedExecutionHandler`\u3002<\/p>\n\n\n\n
\n\u6211\u4eec\u628a\u8fd9\u56db\u4e2a\u53c2\u6570\u5206\u522b\u5199\u5728\u6784\u9020\u51fd\u6570\u4e0a\uff0c\u597d\u7684\uff0c\u6211\u4eec\u73b0\u5728\u628a\u53c2\u6570\u653e\u5728\u4e86\u6784\u9020\u51fd\u6570\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u628a\u8fd9\u4e9b\u4efb\u52a1\u91cd\u65b0\u5c01\u88c5\u6210\u4e00\u4e2a\u7c7b\uff0c\u6838\u5fc3\u7ebf\u7a0b\u5b83\u7ee7\u627f\u4e86\u4e00\u4e2a\u7ebf\u7a0b\uff0c\u7136\u540e\u8ba9\u5b83\u5b9e\u73b0\u4e00\u4e2arun\u51fd\u6570\uff0c\u8fd9\u4e2arun\u51fd\u6570\u5c31\u662f\u6211\u4eec\u4e4b\u524d\u7684\u90a3\u4e2a\u6838\u5fc3\u7ebf\u7a0b\uff0c\u6267\u884c\u7684\u4efb\u52a1\u5c31\u662f\u8fd9\u4e2a\u6b7b\u5faa\u73af\uff0cOK\u7136\u540e\u6211\u4eec\u5728\u521b\u5efa\u8fd9\u4e2a\u7ebf\u7a0b\u7684\u65f6\u5019\uff0c\u6211\u4eec\u5c31\u53ea\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u6838\u5fc3\u7ebf\u7a0b\u5c31\u53ef\u4ee5\u4e86\uff0c\u7136\u540e\u8f85\u52a9\u7ebf\u7a0b\u4e5f\u662f\u540c\u7406\uff0c\u6211\u4eec\u628a\u8fd9\u4e00\u6bb5\u4ee3\u7801\u7c98\u5230\u6211\u4eec\u7684\u8f85\u52a9\u7ebf\u7a0b\u91cc\u9762\uff0cOK\u6211\u4eec\u5728\u521b\u5efa\u7684\u65f6\u5019\u76f4\u63a5\u521b\u5efa\u8f85\u52a9\u7ebf\u7a0b\uff0c\u597d\u8fd9\u6837\u6211\u4eec\u7684\u4ee3\u7801\u5c31\u6574\u9f50\u4e00\u4e9b\uff0c\u7136\u540e\u5728\u7b49\u5f85\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u628a\u53c2\u6570\u6362\u6210time out\uff0c\u53c2\u6570\u6362\u6210time unit\uff0cOk\uff0c\u597d\u6211\u4eec\u5728\u6162\u65b9\u6cd5\u7684\u65f6\u5019\uff0c\u6211\u4eec\u53ef\u4ee5\u4f20\u4e00\u4e9b\uff0c\u5047\u5982\u8bf4\u6211\u4eec\u6709\u4e24\u4e2a\u6838\u5fc3\u7ebf\u7a0b\uff0c\u6700\u5927\u7ebf\u7a0b\u662f\u56db\uff0c\u8981\u7b49\u5f85\u4e00\u79d2\u4e4b\u540e\uff0c\u7b49\u5f85\u4e00\u79d2\u4e4b\u540e\uff0c\u6211\u4eec\u7684\u8f85\u52a9\u7ebf\u7a0b\u5c31\u4f1a\u81ea\u5df1\u7ed3\u675f\uff0c\u90a3\u4e48\u8fd9\u4e2a\u963b\u585e\u961f\u5217\u7684\u5bb9\u91cf\uff0c\u6211\u4eec\u81ea\u5df1\u5199\u7684\u662f1024\uff0c\u90a3\u4e48\u8fd9\u4e2a\u5bb9\u91cf\u586b\u591a\u5c11\u5408\u9002\u5462\uff0c\u4e8e\u662f\u6211\u4eec\u4e5f\u53ef\u4ee5\u628a\u8fd9\u4e2a\u963b\u585e\u961f\u5217\u653e\u5728\u6211\u4eec\u7684\u6784\u9020\u51fd\u6570\u4e0a\uff0c\u8fd9\u91cc\u8fd8\u8981\u4f20\u4e00\u4e2a\u963b\u585e\u961f\u5217\uff0c\u6bd4\u5982\u8bf4\u6211\u4eec\u521b\u5efa\u4e00\u4e2a\u963b\u585e\u961f\u5217\uff0c\u8ba9\u5b83\u7684\u6700\u5927\u5bb9\u91cf\u662f\u4e8c\uff0c\u8ba9\u5b83\u6765\u6a21\u62df\u963b\u585e\u961f\u5217\u5df2\u7ecf\u6ee1\u4e86\u7684\u573a\u666f\uff0c\u4e8e\u662f\u6211\u4eec\u6765\u5206\u6790\u4e00\u4e0b\u8fd9\u6bb5\u4ee3\u7801\uff0c\u6211\u4eec\u6709\u4e24\u4e2a\u6838\u5fc3\u7ebf\u7a0b\uff0c\u6709\u56db\u4e2a\u6700\u5927\u7ebf\u7a0b\uff0c\u4e5f\u5c31\u662f\u8bf4\u6211\u4eec\u6709\u4e24\u4e2a\u6838\u5fc3\u7ebf\u7a0b\uff0c\u6709\u4e24\u4e2a\u8f85\u52a9\u7ebf\u7a0b\uff0c\u6838\u5fc3\u7ebf\u7a0b\u5206\u522b\u662f\u96f6\u548c\u4e00\uff0c\u8f85\u52a9\u7ebf\u7a0b\u5206\u522b\u662f\u4e8c\u548c\u4e09\uff0c\u5f53\u6700\u5f00\u59cb\u96f6\u548c\u4e00\u521b\u5efa\u7684\u65f6\u5019\uff0c\u4ed6\u53d1\u73b0\u963b\u585e\u961f\u5217\u6ee1\u4e86\uff0c\u4e8e\u662f\u6211\u4eec\u521b\u5efa\u4e86\u4e8c\u548c\u4e09\u8f85\u52a9\u7ebf\u7a0b\uff0c\u6765\u5b8c\u6210\u6211\u4eec\u6bd4\u8f83\u5fd9\u788c\u7684\u4efb\u52a1\uff0c\u5f53\u8f85\u52a9\u7ebf\u7a0b\u4e00\u79d2\u4e4b\u540e\u6ca1\u6709\u62ff\u5230\u4efb\u52a1\u7684\u65f6\u5019\uff0c\u4e8c\u548c\u4e09\u5c31\u5df2\u7ecf\u7ed3\u675f\u4e86\uff0c\u96f6\u548c\u4e00\u5b83\u662f\u6838\u5fc3\u7ebf\u7a0b\uff0c\u4ecd\u7136\u5728\u7ebf\u7a0b\u6c60\u4e2d\u4fdd\u6301\u72b6\u6001\uff0c\u7b49\u5f85\u7740\u963b\u585e\u961f\u5217\u4e2d\u88ab\u6dfb\u52a0\u4efb\u52a1\u3002<\/p>\n\n\n\n
import java.util.concurrent.ArrayBlockingQueue;\nimport java.util.concurrent.TimeUnit;\n\n\/**\n * @Author gongxuanzhangmeit@gmail.com\n *\/\npublic class Main {\n public static void main(String[] args) {\n MyThreadPool myThreadPool = new MyThreadPool(2, 2, 4, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<>(2));\n for (int i = 0; i < 10; i++) {\n myThreadPool.execute(() -> {\n try {\n Thread.sleep(1000);\n } catch (InterruptedException e) {\n throw new RuntimeException(e);\n }\n System.out.println(Thread.currentThread().getName());\n });\n }\n System.out.println(\"\u4e3b\u7ebf\u7a0b\u6ca1\u6709\u88ab\u963b\u585e\");\n }\n}<\/code><\/pre>\n<\/blockquote>\n\n\n\n\u6211\u4eec\u53ef\u4ee5\u628a\u8fd9\u4e9b\u7ebf\u7a0b\u5c01\u88c5\u6210\u7c7b\uff0c\u6bd4\u5982 `Worker` \u7c7b\u7ee7\u627f `Thread`\uff0c\u5728 `run` \u65b9\u6cd5\u4e2d\u5199\u53d6\u4efb\u52a1\u6267\u884c\u7684\u903b\u8f91\u3002\u6838\u5fc3\u7ebf\u7a0b\u548c\u8f85\u52a9\u7ebf\u7a0b\u53ef\u4ee5\u5171\u7528\u540c\u4e00\u4e2a `Worker` \u7c7b\uff0c\u53ea\u662f\u521b\u5efa\u65f6\u673a\u4e0d\u540c\u3002<\/p>\n\n\n\n
\u4e0b\u9762\u662f\u6781\u7aef\u573a\u666f\uff1a\u5728\u6d4b\u8bd5\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u8bbe\u7f6e `corePoolSize=2`\uff0c`maxPoolSize=4`\uff0c`queueCapacity=2`\u3002\u5f53\u63d0\u4ea46\u4e2a\u4efb\u52a1\u65f6\uff0c\u524d2\u4e2a\u7531\u6838\u5fc3\u7ebf\u7a0b\u5904\u7406\uff0c\u961f\u5217\u653e2\u4e2a\uff0c\u5269\u4e0b2\u4e2a\u89e6\u53d1\u521b\u5efa2\u4e2a\u8f85\u52a9\u7ebf\u7a0b\u3002\u8f85\u52a9\u7ebf\u7a0b\u6267\u884c\u5b8c\u4efb\u52a1\u540e\uff0c\u7a7a\u95f21\u79d2\u5c31\u81ea\u52a8\u7ed3\u675f\u3002<\/p>\n\n\n\n
![\"\"](\"https:\/\/i-blog.csdnimg.cn\/direct\/459c5f6a9e4f46b9b7fe6ae21218751c.png\")
<\/p>\n\n\n\n
public class MyThreadPool {\n private final int corePoolSize;\n private final int maxSize;\n private final int timeout;\n private final TimeUnit timeUnit;\n private final BlockingQueue<Runnable> blockingQueue;\n private final RejectHandle rejectHandle;\n\n public MyThreadPool(int corePoolSize, int maxSize, int timeout, TimeUnit timeUnit, BlockingQueue<Runnable> blockingQueue, RejectHandle rejectHandle) {\n this.corePoolSize = corePoolSize;\n this.maxSize = maxSize;\n this.timeout = timeout;\n this.timeUnit = timeUnit;\n this.blockingQueue = blockingQueue;\n this.rejectHandle = rejectHandle;\n }\n\n List<Thread> coreList = new ArrayList<>();\n List<Thread> supportList = new ArrayList<>();\n\n void execute(Runnable command) {\n if (coreList.size() < corePoolSize) {\n Thread thread = new CoreThread();\n coreList.add(thread);\n thread.start();\n }\n if (blockingQueue.offer(command)) {\n return;\n }\n if (coreList.size() + supportList.size() < maxSize) {\n Thread thread = new SupportThread();\n supportList.add(thread);\n thread.start();\n }\n if (!blockingQueue.offer(command)) {\n rejectHandle.reject(command, this);\n }\n }\n}<\/code><\/pre>\n\n\n\n\u5982\u679c\u961f\u5217\u6ee1\u4e14\u7ebf\u7a0b\u6570\u5df2\u8fbe\u4e0a\u9650\uff0c\u6211\u4eec\u4e0d\u80fd\u518d\u7b80\u5355\u629b\u5f02\u5e38\uff0c\u800c\u5e94\u8be5\u63d0\u4f9b\u66f4\u7075\u6d3b\u7684\u5904\u7406\u65b9\u5f0f\u3002\u4e8e\u662f\u6211\u4eec\u5b9a\u4e49\u4e00\u4e2a\u62d2\u7edd\u7b56\u7565\u63a5\u53e3\uff1aRejectHandle\u548cThrowRejectHandle<\/p>\n\n\n\n
public class ThrowRejectHandle implements RejectHandle {\n @Override\n public void reject(Runnable rejectCommand, MyThreadPool threadPool) {\n throw new RuntimeException(\"\u963b\u585e\u961f\u5217\u6ee1\u4e86\uff01\");\n }\n}<\/code><\/pre>\n\n\n\npublic interface RejectHandle{\n void reject(Runnable rejectCommand,MyThreadPool threadPool);\n}\n<\/code><\/pre>\n\n\n\n\u6211\u4eec\u5427\u8fd9\u4e2a\u62d2\u7edd\u7b56\u7565\u5bfc\u5230main\u4e2d\uff1a
MyThreadPool myThreadPool = new MyThreadPool(2, 2, 4, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<>(2),new ThrowRejectHandle());<\/p>\n\n\n\n
\u53c2\u6570\u5305\u62ec\u88ab\u62d2\u7edd\u7684\u4efb\u52a1 `command` \u548c\u7ebf\u7a0b\u6c60\u5b9e\u4f8b\uff0c\u65b9\u4fbf\u7b56\u7565\u4e2d\u83b7\u53d6\u4e0a\u4e0b\u6587\u3002<\/p>\n\n\n\n
\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u591a\u79cd\u7b56\u7565\uff1a<\/p>\n\n\n\n
- `AbortPolicy`\uff1a\u76f4\u63a5\u629b\u5f02\u5e38\uff1b
- `DiscardPolicy`\uff1a\u76f4\u63a5\u4e22\u5f03\u4efb\u52a1\uff1b
- `DiscardOldestPolicy`\uff1a\u4e22\u5f03\u961f\u5217\u4e2d\u6700\u8001\u7684\u4efb\u52a1\uff0c\u7136\u540e\u91cd\u8bd5\u63d0\u4ea4\uff1b
- `CallerRunsPolicy`\uff1a\u8ba9\u63d0\u4ea4\u4efb\u52a1\u7684\u7ebf\u7a0b\u81ea\u5df1\u6267\u884c\u4efb\u52a1\u3002<\/p>\n\n\n\n
public\u5316final BlockingQueue<Runnable> blockingQueue;<\/p>\n\n\n\n
\u6bd4\u5982 `DiscardOldestRejectedHandler` \u5b9e\u73b0\u5982\u4e0b\uff1a<\/p>\n\n\n\n
```java
public void reject(Runnable command, MyThreadPool threadPool) {
threadPool.blockingQueue.poll(); \/\/ \u4e22\u5f03\u961f\u9996\u4efb\u52a1
threadPool.execute(command); \/\/ \u91cd\u65b0\u63d0\u4ea4\u5f53\u524d\u4efb\u52a1
}
```<\/p>\n\n\n\n
\u8fd9\u6837\u5c31\u4e0d\u4f1a\u629b\u5f02\u5e38\uff0c\u4f46\u53ef\u80fd\u4e22\u5931\u65e7\u4efb\u52a1\u3002![\"\"](\"https:\/\/i-blog.csdnimg.cn\/direct\/a1f7835022a54445a4e5c34cea44cc07.png\")
<\/p>\n\n\n\n
\u6700\u540e\uff0c\u6211\u4eec\u601d\u8003\u51e0\u4e2a\u95ee\u9898\uff1a<\/p>\n\n\n\n
1. \u5982\u4f55\u7ed9\u7ebf\u7a0b\u6c60\u589e\u52a0 `shutdown()` \u529f\u80fd\uff1f
\u53ef\u4ee5\u904d\u5386\u6240\u6709\u7ebf\u7a0b\u5e76\u8c03\u7528 `interrupt()`\uff0c\u540c\u65f6\u8bbe\u7f6e\u4e00\u4e2a\u6807\u5fd7\u4f4d\uff0c\u8ba9\u5de5\u4f5c\u7ebf\u7a0b\u5728\u6355\u83b7\u5230\u4e2d\u65ad\u6216\u5f02\u5e38\u540e\u9000\u51fa\u5faa\u73af\u3002<\/p>\n\n\n\n
2. \u9762\u8bd5\u5b98\u95ee\u201c\u4f60\u600e\u4e48\u7406\u89e3\u62d2\u7edd\u7b56\u7565\u201d\uff1f
\u53ef\u4ee5\u56de\u7b54\uff1a\u62d2\u7edd\u7b56\u7565\u662f\u7ebf\u7a0b\u6c60\u5728\u8d44\u6e90\u8017\u5c3d\u65f6\u7684\u515c\u5e95\u673a\u5236\uff0c\u4f53\u73b0\u4e86\u7cfb\u7edf\u7684\u5bb9\u9519\u548c\u964d\u7ea7\u8bbe\u8ba1\u3002\u4e0d\u540c\u7684\u4e1a\u52a1\u573a\u666f\u5e94\u9009\u62e9\u4e0d\u540c\u7684\u7b56\u7565\uff0c\u6bd4\u5982\u5173\u952e\u4efb\u52a1\u7528 `Abort`\uff0c\u975e\u5173\u952e\u4efb\u52a1\u53ef\u7528 `Discard` \u6216 `CallerRuns`\u3002<\/p>\n\n\n\n
3. JDK \u7ebf\u7a0b\u6c60\u8fd8\u6709\u4e00\u4e2a\u53c2\u6570\u53eb `ThreadFactory`\uff0c\u5b83\u662f\u5e72\u561b\u7684\uff1f
`ThreadFactory` \u7528\u4e8e\u521b\u5efa\u7ebf\u7a0b\uff0c\u53ef\u4ee5\u7edf\u4e00\u8bbe\u7f6e\u7ebf\u7a0b\u540d\u79f0\u3001\u4f18\u5148\u7ea7\u3001\u662f\u5426\u4e3a\u5b88\u62a4\u7ebf\u7a0b\u7b49\u3002\u901a\u8fc7\u81ea\u5b9a\u4e49 `ThreadFactory`\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u76d1\u63a7\u548c\u8c03\u8bd5\u7ebf\u7a0b\u6c60\u4e2d\u7684\u7ebf\u7a0b\u3002 \u200b<\/p>\n","protected":false},"excerpt":{"rendered":"
\u8fd9\u662f\u6211\u4eec\u7684\u81ea\u5b9a\u4e49\u7ebf\u7a0b\u6c60\uff0c\u91cc\u9762\u53ea\u6709\u4e00\u4e2a\u65b9\u6cd5\u53eb\u505a `execute`\uff0c\u5b83\u63a5\u6536\u4e00\u4e2a\u53c2\u6570\uff0c\u7c7b\u578b\u662f `Runnable` \u63a5\u53e3\u3002\u8fd9\u4e2a\u53c2\u6570\u8868\u793a …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[3,2],"tags":[33,34],"class_list":["post-1234","post","type-post","status-publish","format-standard","hentry","category-3","category-2","tag-jdk","tag-34"],"_links":{"self":[{"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts\/1234","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1234"}],"version-history":[{"count":1,"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts\/1234\/revisions"}],"predecessor-version":[{"id":1237,"href":"https:\/\/eve2333.top\/index.php?rest_route=\/wp\/v2\/posts\/1234\/revisions\/1237"}],"wp:attachment":[{"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1234"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1234"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eve2333.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1234"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}