{"id":264152,"date":"2024-05-15T15:28:48","date_gmt":"2024-05-15T07:28:48","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/264152.html"},"modified":"2024-05-15T15:28:57","modified_gmt":"2024-05-15T07:28:57","slug":"%e9%a1%b9%e7%9b%ae%e4%b8%ad-java%e4%bb%a3%e7%a0%81%e5%86%99sleep%e4%bc%9a%e6%80%8e%e4%b9%88%e6%a0%b7","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/264152.html","title":{"rendered":"\u9879\u76ee\u4e2d java\u4ee3\u7801\u5199sleep\u4f1a\u600e\u4e48\u6837"},"content":{"rendered":"

\"\u9879\u76ee\u4e2d<\/p>\n

\u9879\u76ee\u4e2d\u4f7f\u7528Java\u4ee3\u7801\u4e2d\u7684sleep<\/code>\u51fd\u6570\u4f1a\u5bfc\u81f4\u5f53\u524d\u7ebf\u7a0b\u6682\u505c\u6267\u884c\u6307\u5b9a\u7684\u65f6\u95f4\u6bb5\uff0c\u671f\u95f4\u8be5\u7ebf\u7a0b\u4e0d\u4f1a\u5360\u7528\u4efb\u4f55CPU\u8d44\u6e90\u3002\u4e3b\u8981\u5f71\u54cd\u5305\u62ec\uff1a\u63d0\u9ad8\u5176\u4ed6\u7ebf\u7a0b\u7684\u6267\u884c\u673a\u4f1a\u3001\u53ef\u80fd\u5f15\u8d77\u6027\u80fd\u4e0b\u964d\u3001\u6613\u9020\u6210\u7a0b\u5e8f\u8bbe\u8ba1\u590d\u6742\u5ea6\u589e\u52a0\u3001\u5728\u7279\u5b9a\u60c5\u51b5\u4e0b\u6709\u52a9\u4e8e\u7b80\u5316\u7f16\u7a0b\u6a21\u578b<\/strong>\u3002\u5176\u4e2d\uff0c\u63d0\u9ad8\u5176\u4ed6\u7ebf\u7a0b\u6267\u884c\u673a\u4f1a<\/strong>\u662f\u5176\u663e\u8457\u7279\u70b9\uff0c\u56e0\u4e3a\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b\uff0c\u5f53\u4e00\u4e2a\u7ebf\u7a0b\u5904\u4e8e\u4f11\u7720\u72b6\u6001\u65f6\uff0c\u7cfb\u7edf\u8c03\u5ea6\u5668\u53ef\u4ee5\u5c06CPU\u5206\u914d\u7ed9\u5176\u4ed6\u7ebf\u7a0b\uff0c\u8fd9\u5728\u5904\u7406CPU\u5bc6\u96c6\u578b\u4efb\u52a1\u65f6\u5c24\u4e3a\u91cd\u8981\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u63d0\u9ad8\u5176\u4ed6\u7ebf\u7a0b\u7684\u6267\u884c\u673a\u4f1a<\/strong><\/h3>\n<\/p>\n

\u5f53\u4e00\u4e2a\u7ebf\u7a0b\u6267\u884csleep<\/code>\u64cd\u4f5c\u65f6\uff0c\u5b83\u4f1a\u6682\u65f6\u91ca\u653eCPU\uff0c\u4ece\u800c\u8ba9\u64cd\u4f5c\u7cfb\u7edf\u6709\u673a\u4f1a\u5c06CPU\u65f6\u95f4\u5206\u914d\u7ed9\u5176\u4ed6\u7ebf\u7a0b\u3002\u8fd9\u5728\u591a\u7ebf\u7a0b\u7684\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5c24\u5176\u6709\u7528\uff0c\u53ef\u4ee5\u4f7f\u5f97CPU\u7684\u5229\u7528\u7387\u66f4\u52a0\u5747\u8861\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u4e2aGUI\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u4e3b\u7ebf\u7a0b\u53ef\u80fd\u4f1a\u5468\u671f\u6027\u5730sleep<\/code>\u4ee5\u786e\u4fddGUI\u4fdd\u6301\u54cd\u5e94\uff0c\u4ece\u800c\u5141\u8bb8\u5176\u4ed6\u540e\u53f0\u7ebf\u7a0b\u5728\u6b64\u671f\u95f4\u8fdb\u884c\u6570\u636e\u5904\u7406\u6216\u66f4\u65b0\u754c\u9762\u5143\u7d20\u3002<\/p>\n<\/p>\n

\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0csleep<\/code>\u51fd\u6570\u5e2e\u52a9\u5b9e\u73b0\u4e86\u7ebf\u7a0b\u4e4b\u95f4\u7684\u5408\u4f5c\u548c\u8d44\u6e90\u5171\u4eab\uff0c\u4f46\u540c\u65f6\u4e5f\u8981\u6ce8\u610f\uff0c\u8fc7\u591a\u4f9d\u8d56sleep<\/code>\u6765\u63a7\u5236\u7ebf\u7a0b\u95f4\u7684\u534f\u4f5c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u8fd0\u884c\u6548\u7387\u4f4e\u4e0b\u3002\u56e0\u4e3a\u7ebf\u7a0b\u9192\u6765\u7684\u65f6\u95f4\u70b9\u5e76\u4e0d\u603b\u80fd\u6070\u597d\u4e0e\u5b83\u9700\u8981\u91cd\u65b0\u5f00\u59cb\u6267\u884c\u7684\u65f6\u95f4\u70b9\u543b\u5408\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u53ef\u80fd\u5f15\u8d77\u6027\u80fd\u4e0b\u964d<\/strong><\/h3>\n<\/p>\n

\u867d\u7136sleep<\/code>\u53ef\u4ee5\u6682\u65f6\u8ba9\u51faCPU\u8d44\u6e90\uff0c\u4f46\u4e0d\u5f53\u7684\u4f7f\u7528\u65b9\u5f0f\u5f80\u5f80\u4f1a\u5f15\u8d77\u6027\u80fd\u95ee\u9898\u3002\u5982\u679c\u4e00\u4e2a\u7cfb\u7edf\u8fc7\u5ea6\u4f9d\u8d56sleep<\/code>\u6765\u8fdb\u884c\u7ebf\u7a0b\u8c03\u5ea6\uff0c\u53ef\u80fd\u4f1a\u9020\u6210\u7ebf\u7a0b\u9891\u7e41\u5730\u8fdb\u5165\u548c\u9000\u51fa\u4f11\u7720\u72b6\u6001\uff0c\u8fd9\u79cd\u201c\u5fd9\u7b49\u201d\uff08busy-wAI<\/a>ting\uff09\u7684\u73b0\u8c61\u4f1a\u6d6a\u8d39CPU\u5468\u671f\uff0c\u5c24\u5176\u662f\u5728sleep<\/code>\u65f6\u95f4\u8bbe\u7f6e\u4e0d\u5f53\u65f6\u66f4\u4e3a\u660e\u663e\u3002<\/p>\n<\/p>\n

\u8fc7\u957f\u7684\u4f11\u7720\u65f6\u95f4\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u53cd\u5e94\u8fdf\u949d\uff0c\u800c\u8fc7\u77ed\u7684\u4f11\u7720\u65f6\u95f4\u5219\u53ef\u80fd\u5bfc\u81f4CPU\u8d44\u6e90\u7684\u6d6a\u8d39\u3002\u56e0\u6b64\uff0c\u5728\u8bbe\u8ba1\u7ebf\u7a0b\u7684\u4f11\u7720\u903b\u8f91\u65f6\uff0c\u9700\u8981\u4ed4\u7ec6\u6743\u8861\u4f11\u7720\u65f6\u95f4\u7684\u9009\u62e9\uff0c\u4ee5\u907f\u514d\u5bf9\u6027\u80fd\u9020\u6210\u4e0d\u826f\u5f71\u54cd\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u6613\u9020\u6210\u7a0b\u5e8f\u8bbe\u8ba1\u590d\u6742\u5ea6\u589e\u52a0<\/strong><\/h3>\n<\/p>\n

\u4f7f\u7528sleep<\/code>\u5c06\u4f7f\u7a0b\u5e8f\u903b\u8f91\u548c\u6d41\u7a0b\u63a7\u5236\u53d8\u5f97\u66f4\u52a0\u590d\u6742\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u540c\u6b65\u591a\u4e2a\u7ebf\u7a0b\u65f6\u3002\u7ebf\u7a0b\u5728\u8fdb\u5165sleep<\/code>\u72b6\u6001\u524d\u5e76\u4e0d\u4f1a\u91ca\u653e\u5df2\u7ecf\u6301\u6709\u7684\u9501\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5176\u4ed6\u9700\u8981\u8fd9\u4e9b\u9501\u7684\u7ebf\u7a0b\u88ab\u65e0\u8c13\u5730\u963b\u585e\uff0c\u8fdb\u800c\u589e\u52a0\u4e86\u6b7b\u9501\u53d1\u751f\u7684\u53ef\u80fd\u6027\u3002<\/p>\n<\/p>\n

\u6b64\u5916\uff0c\u4f9d\u8d56sleep<\/code>\u5b9e\u73b0\u7684\u65f6\u95f4\u63a7\u5236\u53ef\u80fd\u56e0\u4e3a\u7cfb\u7edf\u8d1f\u8f7d\u4e0d\u540c\u800c\u6709\u6240\u504f\u5dee\uff0c\u8fd9\u4f1a\u4f7f\u5f97\u4f9d\u8d56\u4e8e\u7cbe\u786e\u65f6\u95f4\u7684\u5e94\u7528\u903b\u8f91\u53d8\u5f97\u4e0d\u53ef\u9760\u3002\u56e0\u6b64\uff0c\u5f00\u53d1\u8005\u5728\u4f7f\u7528sleep<\/code>\u65f6\u9700\u8981\u4ed4\u7ec6\u8003\u8651\u540c\u6b65\u548c\u65f6\u95f4\u51c6\u786e\u6027\u95ee\u9898\uff0c\u907f\u514d\u5f15\u5165\u4e0d\u5fc5\u8981\u7684\u590d\u6742\u6027\u548c\u6f5c\u5728\u7684bug\u3002<\/p>\n<\/p>\n

\u56db\u3001\u5728\u7279\u5b9a\u60c5\u51b5\u4e0b\u6709\u5229\u4e8e\u7b80\u5316\u7f16\u7a0b\u6a21\u578b<\/strong><\/h3>\n<\/p>\n

\u5c3d\u7ba1sleep<\/code>\u5b58\u5728\u4e0a\u8ff0\u4e0d\u8db3\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u5408\u7406\u4f7f\u7528sleep<\/code>\u53ef\u4ee5\u7b80\u5316\u7f16\u7a0b\u6a21\u578b\u3002\u4f8b\u5982\uff0c\u5728\u8fdb\u884c\u4e00\u4e9b\u5468\u671f\u6027\u4efb\u52a1\uff08\u5982\u8f6e\u8be2\u67d0\u4e2a\u6761\u4ef6\u662f\u5426\u6ee1\u8db3\uff09\u65f6\uff0c\u4f7f\u7528sleep<\/code>\u6765\u63a7\u5236\u68c0\u67e5\u7684\u95f4\u9694\u80fd\u591f\u6709\u6548\u51cf\u5c11CPU\u7684\u4f7f\u7528\u7387\uff0c\u4ece\u800c\u964d\u4f4e\u7cfb\u7edf\u8d1f\u8f7d\u3002<\/p>\n<\/p>\n

\u6b64\u5916\uff0c\u5728\u6a21\u62df\u67d0\u4e9b\u64cd\u4f5c\u7684\u5904\u7406\u65f6\u95f4\u6216\u8005\u5728\u8fdb\u884c\u5355\u5143\u6d4b\u8bd5\u65f6\uff0c\u4f7f\u7528sleep<\/code>\u6765\u6a21\u62df\u5b9e\u9645\u64cd\u4f5c\u7684\u5ef6\u65f6\u4e5f\u5f88\u5e38\u89c1\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0csleep<\/code>\u4e3a\u7a0b\u5e8f\u8bbe\u8ba1\u548c\u6d4b\u8bd5\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u4fbf\u7684\u65f6\u95f4\u63a7\u5236\u624b\u6bb5\u3002<\/p>\n<\/p>\n

\u7ed3\u8bba<\/strong><\/h3>\n<\/p>\n

\u5728Java\u9879\u76ee\u4e2d\u4f7f\u7528sleep<\/code>\u662f\u4e00\u628a\u53cc\u5203\u5251\uff0c\u5b83\u80fd\u591f\u4e3a\u5176\u4ed6\u7ebf\u7a0b\u8ba9\u51fa\u6267\u884c\u673a\u4f1a\uff0c\u6709\u52a9\u4e8eCPU\u8d44\u6e90\u7684\u5408\u7406\u5206\u914d\uff0c\u4f46\u4e0d\u5f53\u7684\u4f7f\u7528\u4f1a\u5f15\u8d77\u6027\u80fd\u95ee\u9898\u3001\u589e\u52a0\u7a0b\u5e8f\u590d\u6742\u5ea6\u548c\u8bbe\u8ba1\u98ce\u9669\u3002\u56e0\u6b64\uff0c\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u5f00\u53d1\u8005\u5e94\u5f53\u8c28\u614e\u4f7f\u7528sleep<\/code>\uff0c\u5e76\u7ed3\u5408\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\u8fdb\u884c\u6743\u8861\u3002\u5bf9\u4e8e\u9700\u8981\u7cbe\u786e\u63a7\u5236\u7ebf\u7a0b\u8c03\u5ea6\u7684\u573a\u666f\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528Java\u5e76\u53d1\u5305\u4e2d\u63d0\u4f9b\u7684\u5176\u4ed6\u540c\u6b65\u5de5\u5177\uff0c\u5982java.util.concurrent<\/code>\u5305\u4e2d\u7684Locks<\/code>\u3001ExecutorService<\/code>\u7b49\uff0c\u4ee5\u5b9e\u73b0\u66f4\u52a0\u7cbe\u7ec6\u5316\u548c\u9ad8\u6548\u7684\u7ebf\u7a0b\u7ba1\u7406\u3002<\/p>\n<\/p>\n

\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

Q: \u4e3a\u4ec0\u4e48\u5728\u6211\u7684java\u9879\u76ee\u4e2d\u8981\u4f7f\u7528sleep\u65b9\u6cd5\uff1f<\/strong>
\nA: \u4f7f\u7528sleep\u65b9\u6cd5\u53ef\u4ee5\u4f7f\u7ebf\u7a0b\u6682\u505c\u6267\u884c\u4e00\u6bb5\u65f6\u95f4\u3002\u8fd9\u5728\u591a\u7ebf\u7a0b\u7f16\u7a0b\u548c\u9700\u8981\u6dfb\u52a0\u5ef6\u8fdf\u7684\u60c5\u51b5\u4e0b\u975e\u5e38\u6709\u7528\u3002\u6bd4\u5982\uff0c\u5f53\u5904\u7406\u5f02\u6b65\u4efb\u52a1\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528sleep\u65b9\u6cd5\u6765\u6a21\u62df\u4efb\u52a1\u7684\u6267\u884c\u65f6\u95f4\uff0c\u6216\u8005\u5728\u534f\u8c03\u7ebf\u7a0b\u4e4b\u95f4\u7684\u64cd\u4f5c\u65f6\u4f7f\u7528sleep\u65b9\u6cd5\u6765\u5b9e\u73b0\u540c\u6b65\u3002<\/p>\n

Q: \u4f7f\u7528Java\u4e2d\u7684sleep\u65b9\u6cd5\u6709\u4ec0\u4e48\u5f71\u54cd\uff1f<\/strong>
\nA: \u4f7f\u7528sleep\u65b9\u6cd5\u4f1a\u963b\u585e\u5f53\u524d\u7ebf\u7a0b\u7684\u6267\u884c\uff0c\u5c06\u5176\u7f6e\u4e8e\u4f11\u7720\u72b6\u6001\uff0c\u5e76\u8ba9\u51fa\u5904\u7406\u5668\u8d44\u6e90\u7ed9\u5176\u4ed6\u7ebf\u7a0b\u3002\u8fd9\u53ef\u4ee5\u7528\u4e8e\u63a7\u5236\u5e76\u53d1\u95ee\u9898\uff0c\u8ba9\u4e0d\u540c\u7ebf\u7a0b\u6309\u7167\u6307\u5b9a\u7684\u65f6\u95f4\u95f4\u9694\u6765\u6267\u884c\u4efb\u52a1\u3002<\/p>\n

Q: \u5728Java\u4ee3\u7801\u4e2d\u5982\u4f55\u6b63\u786e\u5730\u4f7f\u7528sleep\u65b9\u6cd5\uff1f<\/strong>
\nA: \u5728\u4f7f\u7528sleep\u65b9\u6cd5\u65f6\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n

    \n
  1. \u4f7f\u7528try-catch\u5757\u6355\u83b7InterruptedException\u5f02\u5e38\uff0c\u4ee5\u4fbf\u5728\u7ebf\u7a0b\u88ab\u4e2d\u65ad\u65f6\u80fd\u591f\u6b63\u786e\u5904\u7406\u3002<\/li>\n
  2. \u5f53\u8c03\u7528sleep\u65b9\u6cd5\u65f6\uff0c\u5355\u4f4d\u662f\u6beb\u79d2\u3002\u53ef\u4ee5\u4f7f\u7528Thread.sleep(1000)\u6765\u4f7f\u7ebf\u7a0b\u4f11\u7720\u4e00\u79d2\u949f\u3002<\/li>\n
  3. \u4e0d\u8981\u5728\u4e3b\u7ebf\u7a0b\u4e2d\u4f7f\u7528sleep\u65b9\u6cd5\uff0c\u56e0\u4e3a\u8fd9\u4f1a\u5bfc\u81f4\u6574\u4e2a\u5e94\u7528\u7a0b\u5e8f\u7684\u505c\u987f\u3002\u5e94\u8be5\u5c06\u4f11\u7720\u64cd\u4f5c\u653e\u5728\u72ec\u7acb\u7684\u7ebf\u7a0b\u6216\u4efb\u52a1\u4e2d\u3002<\/li>\n<\/ol>\n

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