![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-19-1024x530.png\")
<\/div><\/figure>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-20.png\")
<\/div><\/figure>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-21-1024x537.png\")
<\/div><\/figure>\n\n\n\n\u9700\u8981\u6ce8\u610f\u7684\u662f\u8fdb\u7a0b\u662f\u9759\u6001\u7684\uff0c\u8fdb\u7a0b\u4e2d\u5305\u62ec\u5f88\u591a\u7ebf\u7a0b<\/p>\n\n\n\n main\u662f\u4e3b\u7ebf\u7a0b\uff0c<\/p>\n\n\n\n \u591a\u6838 CPU<\/strong>\uff1a\u73b0\u5728\u5f88\u591a CPU \u662f\u591a\u6838\u7684\uff0c\u6bd4\u5982\u53cc\u6838\u3001\u56db\u6838\u3001\u516b\u6838\u7b49\u3002\u6bcf\u4e2a\u6838\u5fc3\u90fd\u6709\u81ea\u5df1\u72ec\u7acb\u7684\u4e00\u5957\u6267\u884c\u5355\u5143\uff0c\u6240\u4ee5\u5728\u591a\u6838 CPU \u60c5\u51b5\u4e0b\uff0c\u4e0d\u540c\u6838\u5fc3\u53ef\u4ee5\u5728\u540c\u4e00\u65f6\u95f4\u5206\u522b\u6267\u884c\u4e0d\u540c\u7684\u7ebf\u7a0b\uff0c\u5b9e\u73b0\u771f\u6b63\u610f\u4e49\u4e0a\u7684\u5e76\u884c\u6267\u884c\u591a\u4e2a\u7ebf\u7a0b\u3002<\/p>\n\n\n\n java\u4e2d\u9ed8\u8ba4\u6709main\u7ebf\u7a0b\uff08\u7528\u6237\u7ebf\u7a0b\uff09\uff0cgc\u7ebf\u7a0b\uff08\u5b88\u62a4\u7ebf\u7a0b\uff09<\/p>\n\n\n\n \u4e09\u79cd\u521b\u5efa\u65b9\u5f0f\uff1a<\/strong><\/p>\n\n\n\n \u521b\u5efa\u7ebf\u7a0b\u7684\u7b2c\u4e00\u79cd\u65b9\u5f0f\uff1a\u7ee7\u627fThread\u7c7b<\/strong><\/p>\n\n\n\n \u8c03\u7528.start()\u4e24\u6761\u7ebf\u7a0b\u540c\u65f6\u6267\u884c<\/p>\n\n\n\n \u4ea4\u66ff\u6267\u884c\uff1a<\/p>\n\n\n\n \u5982\u679c\u8c03\u7528run\u65b9\u6cd5\uff0c\u90a3\u4e48\u80af\u5b9a\u5c31\u662f\u5148\u8d70run\u65b9\u6cd5<\/p>\n\n\n\n \u6d4b\u8bd5\uff1a<\/p>\n\n\n\n \u5982\u679cmain\uff08\uff09\u65b9\u6cd5\u91cc\u8c03\u7528\u91cd\u5199run()\u65b9\u6cd5\uff0c\u90a3\u4e48\u80af\u5b9a\u5c31\u4f1a\u6309\u7167\u4ee3\u7801\u987a\u5e8f\u53bb\u6267\u884c<\/p>\n\n\n\n \u5982\u679c\u8c03\u7528\u7684\u662fstart()\u65b9\u6cd5\uff0c\u90a3\u4e48\u5c31\u4f1a\u540c\u65f6\u8fdb\u884c<\/p>\n\n\n\n \u7ebf\u7a0b\u5f00\u542f\u4e0d\u4e00\u5b9a\u7acb\u5373\u6267\u884c\uff0c\u7531cpu\u8c03\u5ea6\u6267\u884c<\/p>\n\n\n\n \u6ce8\u610f\u6ce8\u610f\u6ce8\u610f\uff1a<\/p>\n\n\n\n 1\uff1a\u9996\u5148\u8ba9\u7c7b\u7ee7\u627fThread\u7c7b<\/p>\n\n\n\n 2\uff1a\u91cd\u5199run()\u65b9\u6cd5\uff0c<\/p>\n\n\n\n 3\uff1a\u521b\u5efa\u7ebf\u7a0b\u5bf9\u8c61\uff0c\u4e00\u5b9a\u8981\u8c03\u7528start()\u65b9\u6cd5\u5f00\u542f\u65b0\u7684\u7ebf\u7a0b<\/p>\n\n\n\n \u4e0b\u8f7d\u5668\uff1a<\/p>\n\n\n\n \u9996\u5148\u5f15\u5165commnsio\u4f9d\u8d56<\/p>\n\n\n\n \u5b8c\u6574\u4ee3\u7801\uff1a<\/p>\n\n\n\n \u6548\u679c\u56fe\uff1a \u6211\u4eec\u53d1\u73b0\uff0c\u5c3d\u7ba1\u65b9\u6cd5\u7684\u5148\u540e\u987a\u5e8f\u662f123\uff0c\u4f46\u662f\u6211\u4eec\u7684\u7ebf\u7a0b\u5b8c\u6210\u987a\u5e8f\u662f\u4e0d\u540c\u7684\uff0c\u4f53\u73b0\u4e86cpu\u6765\u8c03\u5ea6\u5b8c\u6210\u7ebf\u7a0b<\/p>\n\n\n\n \u6ce8\u610f\uff1a\u591a\u7ebf\u7a0b\u7ee7\u627fThread\u7c7b\u91cd\u5199run(\uff09\u65b9\u6cd5\u65f6\uff0c\u53ea\u80fd\u91cd\u5199\u4e00\u6b21<\/p>\n\n\n\n \u6ce8\u610f\uff0c\u901a\u8fc7\u7ee7\u627fThread()\u7c7b\u65f6\uff0c\u8981\u542f\u52a8run\uff08\uff09\u65b9\u6cd5\u7528\u5f97\u662fstart()\u65b9\u6cd5\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n new TestThread2(url1,name1).start();\u5176\u4e2dTestThread2\u662f\u4e00\u4e2a\u7ee7\u627f\u8fc7Thread\u7684\u7c7b<\/p>\n\n\n\n \u6784\u9020\u51fd\u6570\uff1a<\/strong><\/p>\n\n\n\n \u7528\u5904\u4e00\uff1a\u521d\u59cb\u5316\u5bf9\u8c61\uff0c\u65b9\u6cd5\u540d\u4e0e\u7c7b\u540d\u76f8\u540c\uff0c\u4e0d\u80fd\u5199\u8fd4\u56de\u503c\uff0cvoid\u4e5f\u4e0d\u884c\uff0c\u5f53\u4f7f\u7528 \u7528\u5904\u4e8c\uff1a<\/p>\n\n\n\n \u9664\u4e86\u521d\u59cb\u5316\u6210\u5458\u53d8\u91cf\u5916\uff0c\u6784\u9020\u51fd\u6570\u8fd8\u53ef\u4ee5\u6267\u884c\u4e00\u4e9b\u4e0e\u5bf9\u8c61\u521d\u59cb\u5316\u76f8\u5173\u7684\u5176\u4ed6\u64cd\u4f5c\uff0c\u6bd4\u5982\u521d\u59cb\u5316\u5bf9\u8c61\u5185\u90e8\u4f7f\u7528\u7684\u4e00\u4e9b\u8d44\u6e90\uff08\u5982\u6253\u5f00\u6587\u4ef6\u3001\u5efa\u7acb\u7f51\u7edc\u8fde\u63a5\u7b49\uff0c\u4e0d\u8fc7\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u8fd9\u4e9b\u64cd\u4f5c\u901a\u5e38\u9700\u8981\u5728\u5408\u9002\u7684\u65f6\u5019\u8fdb\u884c\u5173\u95ed\u548c\u91ca\u653e\uff0c\u4ee5\u907f\u514d\u8d44\u6e90\u6d6a\u8d39\u548c\u6f5c\u5728\u7684\u95ee\u9898\uff09\uff0c\u6216\u8005\u8fdb\u884c\u4e00\u4e9b\u5fc5\u8981\u7684\u6821\u9a8c\u5de5\u4f5c\uff08\u5982\u68c0\u67e5\u4f20\u5165\u7684\u53c2\u6570\u662f\u5426\u7b26\u5408\u8981\u6c42\u7b49<\/p>\n\n\n\n \u521b\u5efa\u7ebf\u7a0b\u7684\u7b2c\u4e8c\u79cd\u65b9\u5f0f\uff1a\u5b9e\u73b0Runnanle\u63a5\u53e3<\/strong><\/p>\n\n\n\n \u6b65\u9aa4\uff1a<\/p>\n\n\n\n \u4e00\uff1a\u521b\u5efa\u4e00\u4e2a\u7c7b\u5b9e\u73b0Runnable\u63a5\u53e3<\/p>\n\n\n\n \u4e8c\uff1a\u5b9e\u73b0run()\u65b9\u6cd5\u4f53\uff0c\u7f16\u5199\u7ebf\u7a0b\u6267\u884c\u4f53<\/p>\n\n\n\n \u4e09\uff1a\u521b\u5efa\u7ebf\u7a0b\u5bf9\u8c61\uff0c\u8c03\u7528start\uff08\uff09\u65b9\u6cd5\u542f\u52a8\u591a\u7ebf\u7a0b<\/p>\n\n\n\n \u8fd8\u662f\u62ff\u8fd9\u4e2a\u4e0b\u8f7d\u56fe\u7247\u4e3e\u4f8b\u5b50\u6709\u4e24\u70b9\u4e0d\u540c\uff0c\u7b2c\u4e00\u70b9\uff0c\u8fd9\u4e2a\u9700\u8981\u5b9e\u73b0Runnable()\u63a5\u53e3\uff0c\u7b2c\u4e8c\u70b9\uff0c\u8fd9\u4e2a\u5728\u521b\u5efa\u591a\u7ebf\u7a0b\u5bf9\u8c61\u540e\uff0c\u8981\u518d\u521b\u5efaThread\uff08\uff09\u5bf9\u8c61\uff0c\u7136\u540e\u8c03\u7528Thread\u5bf9\u8c61\u7684start\uff08)\u65b9\u6cd5\u6765\u542f\u52a8\u7ebf\u7a0b\uff1b<\/p>\n\n\n\n \u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n \u63a8\u8350\u4f7f\u7528\u5b9e\u73b0Runnable\u6765\u5b9e\u73b0\u591a\u7ebf\u7a0b<\/p>\n\n\n\n \u5f3a\u7968\u95ee\u9898\uff1a<\/p>\n\n\n\n \u6211\u4eec\u9996\u5148\u5b9a\u4e49\u4e86ticketNum=100\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u591a\u4e2a\u7ebf\u7a0b\uff0c\u9996\u5148\u521b\u5efa\u7c7b\u5bf9\u8c61\uff0cnew TestBuyTicket ();<\/p>\n\n\n\n \u7136\u540e\u5c31\u662f\u521b\u5efa\u591a\u4e2aThread\uff08\uff09\u65b9\u6cd5\u6765\u521b\u5efa\u591a\u4e2a\u7ebf\u7a0b\u5bf9\u8c61<\/p>\n\n\n\n \u6ce8\u610f\u8fd9\u91cc\u7528\u5230\u6a21\u62df\u5ef6\u65f6\uff1a<\/p>\n\n\n\n Thread.sleep(200);\u8fd9\u91cc\u7684200\u6307\u7684\u662f200\u6beb\u79d2\uff1b<\/p>\n\n\n\n \u7b2c\u4e09\u79cd\u5b9e\u73b0\u591a\u7ebf\u7a0b\u7684\u65b9\u6cd5\uff1a\u5b9e\u73b0Callable\u63a5\u53e3<\/strong><\/p>\n\n\n\n \u9996\u5148\u8bf4\u660eCallable\u63a5\u53e3\u7684\u597d\u5904\uff1a<\/p>\n\n\n\n \u4e00\uff1a\u53ef\u4ee5\u5b9a\u4e49\u8fd4\u56de\u7c7b\u578b<\/p>\n\n\n\n \u4e8c\uff1a\u53ef\u4ee5\u629b\u51fa\u5f02\u5e38<\/p>\n\n\n\n \u6211\u4eec\u770b\u770b\u5b9e\u73b0Callable\u63a5\u53e3\u7684\u6b65\u9aa4\uff1a<\/p>\n\n\n\n \u6211\u4eec\u7528Call\u63a5\u53e3\u6765\u5b9e\u73b0\u56fe\u7247\u4e0b\u8f7d\u6848\u4f8b\uff1a<\/p>\n\n\n\n \u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0c\u8fd9\u91cc\u662f\u6b63\u5e38\u521b\u5efa\u7ebf\u7a0b\u5bf9\u8c61\uff0c<\/p>\n\n\n\n \u7136\u540e\u6267\u884c\u4efb\u52a1\u8fd9\u91cc\u7528\u4e86<\/p>\n\n\n\n ExecutorService ser = Executors.newFixedThreadPool<\/em>(3);<\/p>\n\n\n\n \u7136\u540e\u5c31\u662f\u9700\u8981\u63d0\u4ea4\u4efb\u52a1\uff0c<\/p>\n\n\n\n \u8fd9\u91cc\u53ef\u4ee5\u83b7\u53d6\u7ed3\u679c\uff0c\u6700\u540e\u7528 ser.shutdown()\u6765\u7ed3\u675f\u670d\u52a1<\/p>\n\n\n\n \u6211\u4eec\u77e5\u9053\uff0c\u7528\u7ee7\u627fThread\u62bd\u8c61\u7c7b\u662f\u76f4\u63a5\u7528 \u7ebf\u7a0b\u5bf9\u8c61.start();<\/p>\n\n\n\n \u7528Runnanle\u662f\u521b\u5efa\u7ebf\u7a0b\u5bf9\u8c61\u540e\uff0c\u518d\u521b\u8fd8\u80fdThread\uff08\u7ebf\u7a0b\u5bf9\u8c61\uff09\u6765\u542f\u52a8\u7ebf\u7a0b<\/p>\n\n\n\n \u7528Callable\u63a5\u53e3\u662f\u7528<\/p>\n\n\n\n \/\/\u521b\u5efa\u6267\u884c\u4efb\u52a1 Executors.newFixedThreadPool(3);\u8fd9\u91cc\u662f\u5148\u7528Excutors\u6765newFixedThreadPool()\u6765\u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b\u6c60\uff0c\u7136\u540e\u63d0\u4ea4\u7ebf\u7a0b\u6765\u6267\u884c<\/p>\n\n\n\n ser.submit():\u5f00\u542f\u7ebf\u7a0b<\/p>\n\n\n\n sre.shutdown():\u7ed3\u675f\u7ebf\u7a0b<\/p>\n\n\n\n \u9759\u6001\u4ee3\u7406\uff1a<\/strong><\/p>\n\n\n\n proxy:\u4ee3\u7406<\/p>\n\n\n\n \u9759\u6001\u4ee3\u7406\u6838\u5fc3\u601d\u60f3\uff1a<\/p>\n\n\n\n \u533f\u540d\u5185\u90e8\u7c7b\uff1a\u533f\u540d\u5185\u90e8\u7c7b\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u5185\u90e8\u7c7b\uff0c\u5b83\u6ca1\u6709\u663e\u5f0f\u7684\u7c7b\u540d\u5b9a\u4e49\uff0c\u662f\u5728\u521b\u5efa\u5bf9\u8c61\u7684\u540c\u65f6\u76f4\u63a5\u5b9a\u4e49\u5e76\u5b9e\u4f8b\u5316\u4e00\u4e2a\u5185\u90e8\u7c7b\uff0c\u5e76\u4e14\u8fd9\u4e2a\u5185\u90e8\u7c7b\u901a\u5e38\u662f\u4f5c\u4e3a\u67d0\u4e2a\u63a5\u53e3\u7684\u5b9e\u73b0\u7c7b\u6216\u8005\u67d0\u4e2a\u7c7b\u7684\u5b50\u7c7b\u6765\u4f7f\u7528\u7684\u3002<\/p>\n\n\n\n \u521b\u5efa\u4e00\u4e2a\u63a5\u53e3\uff08\u63a5\u53e3\u5185\u6709\u4e2aMarry()\u65b9\u6cd5\uff09\uff0c\u7136\u540e\u5199\u4e24\u4e2a\u533f\u540d\u5185\u90e8\u7c7b\u6765\u5b9e\u73b0\u8fd9\u4e2a\u63a5\u53e3\uff0c\u5185\u90e8\u7c7bMe()\u91cc\u9762\u6709\u4e2abefore\uff08\uff09\u65b9\u6cd5\uff0c\u7136\u540e\u5185\u90e8\u7c7bWebCompany\u91cc\u9762\u6709\u4e2a\u7ed3\u5a5a\u7684\u65b9\u6cd5\uff0c\u53ea\u4e0d\u8fc7\u8fd9\u4e2a\u65b9\u6cd5\u9700\u8981\u4e00\u4e2aMarry\u7684\u5b9e\u73b0\u7c7b\uff0c\u6211\u4eec\u628a\u8fd9\u4e2a\u5b9e\u73b0\u7c7bme\u4f20\u8fdb\u53bb\uff0c\u7136\u540e\u5c31\u662f\u5b9e\u73b0\u4e86\u4ee3\u7406\u7684\u6a21\u5f0f\uff0c\u901a\u8fc7\u5a5a\u5e86\u516c\u53f8\u6765\u5b9e\u73b0\u6211\u7ed3\u5a5a\uff1b<\/p>\n\n\n\n \u591a\u7ebf\u7a0b\u4e94\u79cd\u72b6\u6001\uff1a<\/strong><\/p>\n\n\n\n \u8be6\u89e3\uff1a<\/p>\n\n\n\n \u7ebf\u7a0b\u65b9\u6cd5\uff1a<\/p>\n\n\n\n \u4e00\uff1a\u7ebf\u7a0b\u505c\u6b62<\/strong><\/p>\n\n\n\n \u901a\u8fc7\u6211\u4eec\u81ea\u5df1\u5199\u4e00\u4e2a\u6807\u8bc6\u4f4d\uff0c\u8ba9\u7ebf\u7a0b\u81ea\u5df1\u505c\u6b62\u4e0b\u6765<\/p>\n\n\n\n 1\uff1a\u5728\u5916\u90e8\u5148\u7acb\u4e00\u4e2aflag:<\/p>\n\n\n\n private flag=true;<\/p>\n\n\n\n \u5728\u591a\u7ebf\u7a0b\u65b9\u6cd5\u4f53\u7684\u65f6\u5019\u901a\u8fc7<\/p>\n\n\n\n while(flag){<\/p>\n\n\n\n \u65b9\u6cd5\u4f53\u5185\u5bb9<\/p>\n\n\n\n }<\/p>\n\n\n\n \u6211\u4eec\u5728main()\u51fd\u6570\u5916\u90e8\u5199\u4e00\u4e2a\u516c\u5f00\u7684\u6807\u8bc6\u4f4d\u505c\u6b62\u65b9\u6cd5stop();<\/p>\n\n\n\n stop(){<\/p>\n\n\n\n this.flag=false;<\/p>\n\n\n\n }<\/p>\n\n\n\n \u6211\u4eec\u5728\u7ebf\u7a0b\u65b9\u6cd5\u4f53\u4e2d\u6765\u8c03\u7528\u8fd9\u4e2a\u65b9\u6cd5\u53bb\u505c\u6b62\u7ebf\u7a0b\uff1b<\/p>\n\n\n\n \u4ee3\u7801\u5b9e\u73b0\uff1a<\/p>\n\n\n\n \u7ebf\u7a0b\u4f11\u7720\uff1a<\/strong><\/p>\n\n\n\n \u6ce8\u610fsleep()\u65b9\u6cd5\u7ebf\u7a0b\u4f11\u7720\u5355\u4f4d\u662f\u6beb\u79d2\uff0c\u5982\u679c\u8981\u5ef6\u65f61\u79d2\u3002sleep(1000);<\/p>\n\n\n\n \u83b7\u53d6\u5f53\u524d\u7cfb\u7edf\u65f6\u95f4\uff1aDate time=new Date(System.currentTimeMillis<\/em>());\/\/\u83b7\u53d6\u7cfb\u7edf\u5f53\u524d\u65f6\u95f4<\/p>\n\n\n\n \u683c\u5f0f\u5316\u65f6\u95f4\uff1aSystem.out<\/em>.println(new SimpleDateFormat(“yyyy-MM-dd HH:mm:ss”).format(time));<\/p>\n\n\n\n \u4ee3\u7801\uff1a<\/p>\n\n\n\n \u4ee5\u4e0a\u662f\u4e00\u4e2a\u7b80\u5355\u8ba1\u65f6\u5668<\/p>\n\n\n\n \u7ebf\u7a0b\u793c\u8ba9\uff08 yield \uff09\uff1a<\/strong><\/p>\n\n\n\n \u4ee3\u7801\uff1a<\/p>\n\n\n\n \u7ebf\u7a0b\u5f3a\u5236\u6267\u884c\uff1a<\/strong><\/p>\n\n\n\n \u7528\u5230\u7684\u00b7\u65b9\u6cd5\u662fjoin()<\/p>\n\n\n\n \u63d2\u961f\u63d2\u7684\u662f\u7ebf\u7a0b\u7c7b<\/p>\n\n\n\n \u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n \u7ebf\u7a0b\u72b6\u6001\u68c0\u6d4b\uff1a<\/strong><\/p>\n\n\n\n \u6b7b\u4ea1\u4e4b\u540e\u7684\u7ebf\u7a0b\u4e0d\u80fd\u518d\u6b21\u542f\u52a8\uff0c\u8c03\u7528start\u7684\u65f6\u5019\u4e0d\u4e00\u5b9a\u7acb\u5373\u6267\u884c\uff0c\u53ea\u6709\u7b49cpu\u8c03\u5ea6\u5230\u5b83\u7684\u65f6\u5019\u624d\u4f1a\u6267\u884c<\/p>\n\n\n\n \u7ebf\u7a0b\u4f18\u5148\u7ea7\uff1a<\/strong><\/p>\n\n\n\n \u7ebf\u7a0b\u4f18\u5148\u7ea7\u7684\u8bdd<\/p>\n\n\n\n \u4f18\u5148\u7ea7\u8303\u56f4\u53ca\u9ed8\u8ba4\u503c<\/p>\n\n\n\n Java \u4e2d\u7684\u7ebf\u7a0b\u4f18\u5148\u7ea7\u53d6\u503c\u8303\u56f4\u662f\u5728 1\uff08MIN_PRIORITY\uff09\u5230 10\uff08MAX_PRIORITY\uff09\u4e4b\u95f4\uff0c\u5176\u4e2d 5\uff08NORM_PRIORITY\uff09\u662f\u9ed8\u8ba4\u7684\u7ebf\u7a0b\u4f18\u5148\u7ea7\u3002\u4f8b\u5982\uff0c\u4e3b\u7ebf\u7a0b\u9ed8\u8ba4\u7684\u4f18\u5148\u7ea7\u5c31\u662f NORM_PRIORITY\u3002<\/p>\n\n\n\n \u53ef\u4ee5\u901a\u8fc7 \u7ebf\u7a0b\u540c\u6b65\uff1a<\/strong><\/p>\n\n\n\n \u7528\u5173\u952e\u5b57synchornized<\/p>\n\n\n\n \u6211\u4eec\u77e5\u9053ArrayList\u96c6\u5408\u662f\u4e0d\u5b89\u5168\u7684\uff0c\u5f53\u6211\u4eec\u521b\u5efa\u4e00\u4e07\u4e2a\u7ebf\u7a0b\uff0c\u7136\u540e\u628a\u8fd910000\u4e2a\u7ebf\u7a0b\u7684\u540d\u5b57\u653e\u5165\u5230\u96c6\u5408\u4e2d\uff0c\u6700\u540e\u6211\u4eec\u6253\u5370\u51fa\u96c6\u5408\u7684size\uff0c\u6211\u4eec\u53d1\u73b0\u96c6\u5408\u7684size\u4e0d\u4e3a\u4e00\u4e07\uff0c\u6211\u4eec\u901a\u8fc7synchronized\uff08\uff09{<\/p>\n\n\n\n }\u6765\u5b9e\u73b0\u540c\u6b65<\/p>\n\n\n\n \u4ee3\u7801\uff1a<\/p>\n\n\n\n \u4f7f\u7528 \u5982\u679c\u4e0d\u52a0synchronized<\/p>\n\n\n\n \u53ef\u4ee5\u770b\u5230\u975e\u5e38\u4e0d\u5b89\u5168<\/p>\n\n\n\n \u6d4b\u8bd5JUC\u5b89\u5168\u7c7b\u578b\u7684\u96c6\u5408\uff1a<\/p>\n\n\n\n copyOnWriteArrayList\u8fd9\u4e2a\u96c6\u5408\u662f\u5b89\u5168\u7684\uff0c\u4e5f\u5c31\u662f\u4eba\u5bb6\u7ed9\u6211\u4eec\u5b9e\u73b0\u597d\u7684\uff0c\u53ef\u4ee5\u76f4\u63a5\u62ff\u6765\u7528\uff0c\u4f46\u662f\u4f7f\u7528\u8fd9\u79cd\u96c6\u5408\u53ef\u80fd\u4f1a\u5e26\u6765\u6548\u7387\u95ee\u9898\uff0c\u4ee3\u7801\u5b9e\u73b0\uff1a<\/p>\n\n\n\n \u6b7b\u9501\uff1a<\/strong><\/p>\n\n\n\n \u6548\u679c\u56fe\uff1a\u7a0b\u5e8f\u4f1a\u4e00\u76f4\u8fd0\u884c<\/p>\n\n\n\n \u5c31\u5f62\u6210\u4e86\u6b7b\u5faa\u73af<\/p>\n\n\n\n \u89e3\u51b3\u529e\u6cd5\uff1a<\/p>\n\n\n\n \u628a\u9501\u62ff\u51fa\u6765\uff0c\u8fd9\u5c31\u662f\u5565\uff0c\u5360\u636e\u53e3\u7ea2\u60f3\u5f97\u5230\u955c\u5b50\uff0c\u53e6\u4e00\u4e2a\u5360\u636e\u955c\u5b50\u60f3\u8981\u53e3\u7ea2\uff0c\u6700\u540e\u50f5\u6301\u4e0d\u4e0b\uff0c\u5f62\u6210\u6b7b\u9501\uff0c\u89e3\u51b3\u529e\u6cd5\uff0c\u9501\u91cc\u9762\u4e0d\u8981\u5957\u5d4c\u9501<\/p>\n\n\n\n Lock\u9501\uff1a<\/strong><\/p>\n\n\n\n \u52a0\u9501\u548c\u89e3\u9501\uff1a<\/p>\n\n\n\n \u9996\u5148\u6211\u4eec\u770b\u5230\u4e00\u4e2a\u65b9\u6cd5\uff1a<\/p>\n\n\n\n \u8fd9\u6837\u6211\u4eec\u5c31\u751f\u6210\u4e86\u4e00\u4e2a\u9501\uff0c\u6700\u540e\u6211\u4eec\u8981\u89e3\u9501<\/p>\n\n\n\n \u6211\u4eec\u4e0a\u6b21\u7528\u5230\u7684CopyOnWriteArrayList<>();<\/p>\n\n\n\n \u6211\u4eec\u6ce8\u610f\u5230\uff1aLock\u9501\u9700\u8981\u6211\u4eec\u624b\u52a8\u53bb\u89e3\u9501\uff0c\u800csynchronized\uff08\uff09\u662f\u9690\u5f0f\u9501\uff0c\u4ed6\u4f1a\u81ea\u52a8\u89e3\u9501<\/p>\n\n\n\n \u6211\u4eec\u8bb0\u5f97\u4f7f\u7528\u987a\u5e8f\uff1a<\/p>\n\n\n\n Lock\u9501>\u540c\u6b65\u4ee3\u7801\u5757\uff08\u5df2\u7ecf\u8fdb\u5165\u4e86\u65b9\u6cd5\u4f53\uff0c\u5206\u914d\u4e86\u76f8\u5e94\u7684\u8d44\u6e90\uff09>\u540c\u6b65\u65b9\u6cd5\uff08\u5728\u65b9\u6cd5\u4f53\u4e4b\u5916\uff09<\/p>\n\n\n\n \u7ba1\u7a0b\u6cd5\uff1a<\/strong><\/p>\n\n\n\n \u7ebf\u7a0b\u6c60\uff1a<\/strong><\/p>\n\n\n\n \u4f7f\u7528\u7ebf\u7a0b\u6c60\uff1a<\/p>\n\n\n\n \u6211\u4eec\u4f9d\u7a00\u8bb0\u5f97\u5728\u521b\u5efa\u7ebf\u7a0b\u7684\u65f6\u5019\u6211\u4eec\u4f7f\u7528\u7684\u7b2c\u4e09\u79cd\u65b9\u6cd5\u5b9e\u73b0impliement callable\u63a5\u53e3\u7684\u65f6\u5019\uff0c<\/p>\n\n\n\n \u4ee3\u7801\uff1a<\/p>\n\n\n\n \u8fd9\u91cc\u6211\u4eec\u770b\u5230\u4ed6\u662f\u7528Executors\u6765\u521b\u5efa\u7ebf\u7a0b\u6c60\uff0c<\/p>\n\n\n\n \u5148\u521b\u5efa\u7ebf\u7a0b\uff0c\u7136\u540e\u5c31\u662f\u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b\u6c60\uff0c\u628a\u8981\u521b\u5efa\u7684\u7ebf\u7a0b\u6570\u76ee\u653e\u8fdb\u53bb\uff0c\u7136\u540e\u901a\u8fc7\u8fd4\u56de\u7684ExecutorService \u6765\u901a\u8fc7submit\u6765\u5f00\u542f\u7ebf\u7a0b\uff0c\u83b7\u53d6\u7ed3\u679c<\/p>\n\n\n\n \u6700\u540e\u5173\u95ed\u670d\u52a1<\/p>\n\n\n\n \u8fd9\u4e2a\u662f\u5229\u7528Callable\u6765\u521b\u5efa\u7ebf\u7a0b\uff0cCallabl\u7528\u7684\u662fsubmit\uff0c\u800cRunnable\u6765\u542f\u52a8\u7ebf\u7a0b\u53ef\u4ee5\u7528thread.start\u6216\u8005\u7528servive.execute()<\/p>\n\n\n\n \u4e0a\u4ee3\u7801\uff1a<\/p>\n\n\n\n \u603b\u7ed3\uff1a<\/strong><\/p>\n\n\n\n \u4ee3\u7801\uff1a<\/p>\n\n\n\n \u9644\u56fe\uff1a <\/p>\n","protected":false},"excerpt":{"rendered":" \u7ebf\u7a0b\uff08Thread\uff09 \u573a\u666f\uff1a \u9700\u8981\u6ce8\u610f\u7684\u662f\u8fdb\u7a0b\u662f\u9759\u6001\u7684\uff0c\u8fdb\u7a0b\u4e2d\u5305\u62ec\u5f88\u591a\u7ebf\u7a0b main\u662f\u4e3b\u7ebf\u7a0b\uff0c \u591a\u6838 CPU\uff1a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,17],"tags":[],"class_list":["post-1346","post","type-post","status-publish","format-standard","hentry","category-javase","category-17"],"_links":{"self":[{"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/posts\/1346","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/comments?post=1346"}],"version-history":[{"count":9,"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/posts\/1346\/revisions"}],"predecessor-version":[{"id":1412,"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/posts\/1346\/revisions\/1412"}],"wp:attachment":[{"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/media?parent=1346"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/categories?post=1346"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/note.ui11.cc\/index.php\/wp-json\/wp\/v2\/tags?post=1346"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-22.png\")
<\/div><\/figure>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-23.png\")
<\/div><\/figure>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-24.png\")
<\/div><\/figure>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-25-1024x628.png\")
<\/div><\/figure>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-26.png\")
<\/div><\/figure>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-27.png\")
<\/div><\/figure>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-29.png\")
<\/div><\/figure>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-28-1024x502.png\")
<\/div><\/figure>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-30.png\")
<\/div><\/figure>\n\n\n\npackage com.itheima.mp;\n\/\/\u521b\u5efa\u7ebf\u7a0b\u65b9\u5f0f\u4e00\uff0c\u4ece\u5199run\uff08\uff09\u65b9\u6cd5\npublic class TestThread extends Thread{\n\n \/\/\u4ece\u5199run()\u65b9\u6cd5\n @Override\n public void run() {\n \/\/run\u65b9\u6cd5\u7ebf\u7a0b\u4f53\n for (int i = 0; i < 200; i++) {\n System.out.println(\"\u4f55\u5bb6\u5174\u662f\u6211\u513f\u5b50\"+i);\n }\n }\n\n\/\/\u4e3b\u65b9\u6cd5\uff0cmain\u7ebf\u7a0b\n public static void main(String[] args) {\n TestThread t1 = new TestThread();\n t1.run();\/\/\u76f8\u5f53\u4e8e\u5c31\u662f\u8c03\u7528run\uff08\uff09\u65b9\u6cd5\uff0c\n\n for (int i = 0; i < 200; i++) {\n System.out.println(\"\u4f55\u5bb6\u5174\u662f\u50bb\u903c\"+i);\n }\n t1.start();\/\/\u76f8\u5f53\u4e8e\u5f00\u542f\u4e86\u4e00\u4e2a\u7ebf\u7a0b\uff0c\u6267\u884c\u4e86run()\u65b9\u6cd5\n }\n}\n<\/code><\/pre>\n\n\n\n<dependency>\n <groupId>commons-io<\/groupId>\n <artifactId>commons-io<\/artifactId>\n <version>2.13.0<\/version>\n <\/dependency><\/code><\/pre>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-31.png\")
<\/div><\/figure>\n\n\n\nclass WebDownloader{\n\n public void download(String url,String name){\n try {\n FileUtils.copyURLToFile(new URL(url),new File(name));\n } catch (IOException e) {\n e.printStackTrace();\n System.out.println(\"\u6587\u4ef6\u4e0b\u8f7d\u5931\u8d25\uff0cdownload\u65b9\u6cd5\u51fa\u73b0\u95ee\u9898\uff0c\u8bf7\u7a0d\u540e\u91cd\u8bd5\");\n\n\n }\n\n\n }\n<\/code><\/pre>\n\n\n\npackage com.itheima.mp;\n\nimport org.apache.commons.io.FileUtils;\nimport org.springframework.boot.test.context.SpringBootTest;\n\nimport java.io.File;\nimport java.io.IOException;\nimport java.net.URL;\n\n@SpringBootTest\npublic class TestThread2 extends Thread {\nString url;\nString name;\npublic TestThread2(String url, String name) {\n this.url = url;\n this.name = name;\n}\n\n @Override\n public void run() {\n this.url=url;\n this.name=name;\n\n webDownLode webDownLode = new webDownLode();\n webDownLode.webDownLode(url,name);\/\/\u4e0b\u8f7d\u56fe\u7247\n System.out.println(\"\u6587\u4ef6\u4e0b\u8f7d\u5b8c\u6210\uff0c\u540d\u5b57\u4e3a\"+name);\n }\n\n public static void main(String[] args) {\n String url1=\"https:\/\/tse4-mm.cn.bing.net\/th\/id\/OIP-C.jdP04yEoxG10mcywseQj7gAAAA?rs=1&pid=ImgDetMain\";\n String url2=\"https:\/\/tse4-mm.cn.bing.net\/th\/id\/OIP-C.jdP04yEoxG10mcywseQj7gAAAA?rs=1&pid=ImgDetMain\";\n String url3=\"https:\/\/tse4-mm.cn.bing.net\/th\/id\/OIP-C.jdP04yEoxG10mcywseQj7gAAAA?rs=1&pid=ImgDetMain\";\n String name1=\"\u5730\u74031\";\n String name2=\"\u5730\u74032\";\n String name3=\"\u5730\u74033\";\n new TestThread2(url1,name1).start();\n System.out.println(\"\u56fe\u7247\u4e00\u5f00\u59cb\u4e0b\u8f7d\");\n new TestThread2(url2,name2).start();\n System.out.println(\"\u56fe\u7247\u4e8c\u5f00\u59cb\u4e0b\u8f7d\");\n new TestThread2(url3,name3).start();\n System.out.println(\"\u56fe\u7247\u4e09\u5f00\u59cb\u4e0b\u8f7d\");\n\n }\n\n\n\n\n\/\/\u5148\u5199\u4e00\u4e2a\u4e0b\u8f7d\u5668\n class webDownLode {\n public void webDownLode(String url ,String name) {\n\n\n try {\n FileUtils.copyURLToFile(new URL(url), new File(name));\n } catch (IOException e) {\n e.printStackTrace();\n System.out.println(\"\u6587\u4ef6\u4e0b\u8f7d\u51fa\u73b0\u5f02\u5e38\uff0c\u5177\u4f53\u65b9\u6cd5\u4e3a\uff1awebDownLode()\");\n }\n }\n\n\n }\n}\n<\/code><\/pre>\n\n\n\n
<\/p>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-32-1024x264.png\")
<\/div><\/figure>\n\n\n\nnew<\/code> \u5173\u952e\u5b57\u521b\u5efa\u7c7b\u7684\u4e00\u4e2a\u65b0\u5b9e\u4f8b\u65f6\uff0c\u5c31\u4f1a\u81ea\u52a8\u8c03\u7528\u76f8\u5e94\u7684\u6784\u9020\u51fd\u6570\uff0c\u6784\u9020\u51fd\u6570\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u4e3a\u5bf9\u8c61\u7684\u6210\u5458\u53d8\u91cf\u8d4b\u521d\u59cb\u503c\u3002\u53ef\u4ee5\u5728\u6784\u9020\u51fd\u6570\u5185\u90e8\u901a\u8fc7\u53c2\u6570\u63a5\u6536\u5916\u90e8\u4f20\u5165\u7684\u503c\uff0c\u5e76\u5c06\u8fd9\u4e9b\u503c\u8d4b\u7ed9\u76f8\u5e94\u7684\u6210\u5458\u53d8\u91cf\uff0c\u4ece\u800c\u4f7f\u5bf9\u8c61\u5728\u521b\u5efa\u4e4b\u521d\u5c31\u5177\u6709\u7279\u5b9a\u7684\u5c5e\u6027\u503c<\/p>\n\n\n\npublic class DatabaseConnection {\n private Connection connection;\n\n public DatabaseConnection() {\n try {\n connection = DriverManager.getConnection(\"jdbc:mysql:\/\/localhost:3600\/mydb\", \"user\", \"password\");\n } catch (SQLException e) {\n e.printStackTrace();\n }\n }\n}<\/code><\/pre>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-34-1024x575.png\")
<\/div><\/figure>\n\n\n\npackage com.itheima.mp;\n\nimport org.apache.commons.io.FileUtils;\n\nimport java.io.File;\nimport java.io.IOException;\nimport java.net.URL;\n\npublic class TestThreadRunnable implements Runnable {\nString name;\nString url;\npublic TestThreadRunnable(String url, String name) {\n\n this.name = name;\n this.url = url;\n}\n\n @Override\n public void run( ) {\n\n WebImagedownlode imagedownlode = new WebImagedownlode();\n System.out.println(\"\u56fe\u7247\u5f00\u59cb\u4e0b\u8f7d\uff0c\u4e0b\u8f7d\u56fe\u7247\u540d\u79f0\u4e3a\"+name);\n\n imagedownlode.imageDownLoad(url,name);\n System.out.println(\"\u56fe\u7247\u5b8c\u6210\uff0c\u4e0b\u8f7d\u56fe\u7247\u540d\u79f0\u4e3a\"+name);\n }\n\n public static void main(String[] args) {\n\n String url1=\"https:\/\/tse4-mm.cn.bing.net\/th\/id\/OIP-C.jdP04yEoxG10mcywseQj7gAAAA?rs=1&pid=ImgDetMain\";\n String url2=\"https:\/\/tse4-mm.cn.bing.net\/th\/id\/OIP-C.jdP04yEoxG10mcywseQj7gAAAA?rs=1&pid=ImgDetMain\";\n String url3=\"https:\/\/tse4-mm.cn.bing.net\/th\/id\/OIP-C.jdP04yEoxG10mcywseQj7gAAAA?rs=1&pid=ImgDetMain\";\n String name1=\"\u5730\u74031\";\n String name2=\"\u5730\u74032\";\n String name3=\"\u5730\u74033\";\n TestThreadRunnable threadRunnable1 = new TestThreadRunnable(url1,name1);\n TestThreadRunnable threadRunnable2 = new TestThreadRunnable(url2,name2);\n TestThreadRunnable threadRunnable3 = new TestThreadRunnable(url3,name3);\n new Thread(threadRunnable1).start();\n System.out.println(\"\u56fe\u7247\u4e00\u5f00\u59cb\u4e0b\u8f7d\");\n new Thread(threadRunnable2).start();\n System.out.println(\"\u56fe\u7247\u4e8c\u5f00\u59cb\u4e0b\u8f7d\");\n new Thread(threadRunnable3).start();\n System.out.println(\"\u56fe\u7247\u4e09\u5f00\u59cb\u4e0b\u8f7d\");\n\n }\n\n class WebImagedownlode{\n public void imageDownLoad(String url ,String name){\n\n try {\n FileUtils.copyURLToFile(new URL(url),new File(name));\n } catch (IOException e) {\n e.printStackTrace();\n System.out.println(\"WebImagedownlode\u65b9\u6cd5\u51fa\u73b0\u5f02\u5e38\uff0c\u56fe\u7247\u4e0b\u8f7d\u5931\u8d25\uff01\");\n }\n\n\n }\n\n }\n\n\n\n}\n<\/code><\/pre>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-35-1024x291.png\")
<\/div><\/figure>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-36-1024x564.png\")
<\/div><\/figure>\n\n\n\npackage com.itheima.mp;\n\npublic class TestBuyTicket implements Runnable{\n int tickeNumber=200;\n public TestBuyTicket(){\n this.tickeNumber=tickeNumber;\n }\n\n @Override\n public void run() {\n while (tickeNumber<0){\n break;\n }\n\n while (tickeNumber>0) {\n \/\/\u6a21\u62df\u5ef6\u65f6\n try {\n Thread.sleep(200);\n {\n System.out.println(\"\u7ebf\u7a0b\"+Thread.currentThread().getName()+\"\u62ff\u5230\u4e86\u7b2c\"+tickeNumber+\"\u5f20\u7968\");\n tickeNumber--;}\n } catch (InterruptedException e) {\n e.printStackTrace();\n }\n }\n\n }\n public static void main(String[] args) {\n TestBuyTicket buyTicket = new TestBuyTicket();\n new Thread(buyTicket,\"\u7ebf\u7a0b\u4e00\").start();\n new Thread(buyTicket,\"\u7ebf\u7a0b\u4e8c\").start();\n new Thread(buyTicket,\"\u7ebf\u7a0b\u4e09\").start();\n\n }\n}\n<\/code><\/pre>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-37-1024x455.png\")
<\/div><\/figure>\n\n\n\npackage com.itheima.mp;\n\nimport org.apache.commons.io.FileUtils;\n\nimport java.io.File;\nimport java.io.IOException;\nimport java.net.URL;\nimport java.util.concurrent.*;\n\npublic class TestCallable implements Callable<Boolean> {\n String name;\n String url;\n public TestCallable(String url, String name) {\n\n this.name = name;\n this.url = url;\n }\n\n @Override\n public Boolean call( ) {\n\n WebImagedownlode imagedownlode = new WebImagedownlode();\n System.out.println(\"\u56fe\u7247\u5f00\u59cb\u4e0b\u8f7d\uff0c\u4e0b\u8f7d\u56fe\u7247\u540d\u79f0\u4e3a\"+name);\n\n imagedownlode.imageDownLoad(url,name);\n System.out.println(\"\u56fe\u7247\u5b8c\u6210\uff0c\u4e0b\u8f7d\u56fe\u7247\u540d\u79f0\u4e3a\"+name);\n return true;\n }\n\n public static void main(String[] args) throws ExecutionException, InterruptedException {\n\n String url1=\"https:\/\/tse4-mm.cn.bing.net\/th\/id\/OIP-C.jdP04yEoxG10mcywseQj7gAAAA?rs=1&pid=ImgDetMain\";\n String url2=\"https:\/\/tse4-mm.cn.bing.net\/th\/id\/OIP-C.jdP04yEoxG10mcywseQj7gAAAA?rs=1&pid=ImgDetMain\";\n String url3=\"https:\/\/tse4-mm.cn.bing.net\/th\/id\/OIP-C.jdP04yEoxG10mcywseQj7gAAAA?rs=1&pid=ImgDetMain\";\n String name1=\"\u5730\u74031\";\n String name2=\"\u5730\u74032\";\n String name3=\"\u5730\u74033\";\n \/\/\n TestCallable t1 = new TestCallable(url1, name1);\n TestCallable t2 = new TestCallable(url2, name2);\n TestCallable t3 = new TestCallable(url3, name3);\n\n \/\/\u521b\u5efa\u6267\u884c\u4efb\u52a1\n ExecutorService ser = Executors.newFixedThreadPool(3);\n \/\/\u63d0\u4ea4\u6267\u884c\n Future<Boolean> r1 = ser.submit(t1);\n Future<Boolean> r2 = ser.submit(t2);\n Future<Boolean> r3 = ser.submit(t3);\n \/\/\u83b7\u53d6\u7ed3\u679c\n Boolean b = r1.get();\n\n Boolean b1 = r2.get();\n Boolean b2 = r3.get();\n\n \/\/\u5173\u95ed\u670d\u52a1\n ser.shutdown();\n\n }\n\n class WebImagedownlode{\n public void imageDownLoad(String url ,String name){\n\n try {\n FileUtils.copyURLToFile(new URL(url),new File(name));\n } catch (IOException e) {\n e.printStackTrace();\n System.out.println(\"WebImagedownlode\u65b9\u6cd5\u51fa\u73b0\u5f02\u5e38\uff0c\u56fe\u7247\u4e0b\u8f7d\u5931\u8d25\uff01\");\n }\n\n\n }\n\n }\n\n\n\n}\n<\/code><\/pre>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-38.png\")
<\/div><\/figure>\n\n\n\n
ExecutorService ser = Executors.newFixedThreadPool(3);
\/\/\u63d0\u4ea4\u6267\u884c
Future<Boolean> r1 = ser.submit(t1);
Future<Boolean> r2 = ser.submit(t2);
Future<Boolean> r3 = ser.submit(t3);<\/p>\n\n\n\npackage com.itheima.mp;\npublic class StaticProxy{\n\n public static void main(String[] args) {\n me me = new me();\n WebCompany webCompany = new WebCompany(me);\n webCompany.marry();\n }\n}\n\/\/\u7ed3\u5a5a\u63a5\u53e3\n interface Marry {\n \/\/\u4e45\u65f1\u9022\u7518\u9716\n \/\/\u4ed6\u4e61\u9047\u6545\u77e5\n \/\/\u540c\u623f\u82b1\u82b1\u70db\u591c\n \/\/\u91d1\u699c\u9898\u540d\u65f6\n void marry();\n\n}\nclass me implements Marry {\n\n @Override\n public void marry() {\n System.out.println(\"\u4ed8\u52c7\u95ef\u8981\u7ed3\u5a5a\u4e86\");\n }\n}\nclass WebCompany implements Marry {\n private Marry target;\/\/\u76ee\u6807\u7ed3\u5a5a\u5bf9\u8c61\n public WebCompany(Marry target) {\n this.target = target;\n }\n @Override\n public void marry() {\n before();\n this.target .marry();\n after();\n\n }\n \/\/\u7ed3\u5a5a\u524d\n private void before() {\n\n System.out.println(\"\u6211\u8981\u7ed3\u5a5a\u4e86\");\n }\n\n private void after() {\n\n System.out.println(\"\u6211\u8981\u751f\u5a03\u4e86\uff01\uff01\uff01\");\n }\n}<\/code><\/pre>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-41-1024x359.png\")
<\/div><\/figure>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-42-1024x572.png\")
<\/div><\/figure>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-43-1024x500.png\")
<\/div><\/figure>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-44-1024x541.png\")
<\/div><\/figure>\n\n\n\npackage com.itheima.mp;\n\/\/\u6d4b\u8bd5\u7ebf\u7a0b\u505c\u6b62\n\/\/\u5efa\u8bae\u4f7f\u7528\u6807\u5fd7\u4f4d---\u8bbe\u7f6e\u4e00\u4e2a\u6807\u5fd7\u4f4d\n\/\/\u4e0d\u8981\u4f7f\u7528stop \u6216\u8005destory \u7b49\u8fc7\u65f6\u6216\u8005\u5b98\u65b9\u4e0d\u5efa\u8bae\u7684\u65b9\u6cd5\n\npublic class TestThreadStop implements Runnable {\n int n=100;\n \/\/\u8bbe\u7f6e\u4e00\u4e2a\u6807\u8bc6\u4f4d\n private boolean flag=true;\n \/\/\u6784\u9020\u51fd\u6570\n TestThreadStop() {\n this.n = n;\n }\n\n\n \/\/\u5207\u6362\u6807\u8bc6\u4f4d\u7528\u7684\u505c\u6b62\u65b9\u6cd5\n public void stop(){\n this.flag=false;\n }\n public static void main(String[] args) {\n\n TestThreadStop testThreadStop = new TestThreadStop();\n new Thread(testThreadStop).start();\n }\n\n @Override\n public void run() {\n while (flag) {\n System.out.println(\"\u6211\u7231\u4f60\uff01\" + n + \"\u6b21\");\n n--;\n while (n==0){\n TestThreadStop testThreadStop = new TestThreadStop();\n \/\/\u5207\u6362\u6807\u8bc6\u4f4d\uff0c\u7528\u6211\u4eec\u81ea\u5df1\u505c\u6b62\u7ebf\u7a0b\uff0c\u901a\u8fc7\u5916\u90e8\u6807\u8bc6\u4f4d\n testThreadStop.stop();\n }\n\n }\n }\n}\n<\/code><\/pre>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-45-1024x606.png\")
<\/div><\/figure>\n\n\n\npackage com.itheima.mp;\n\nimport java.text.SimpleDateFormat;\nimport java.util.Date;\n\npublic class TestSleep2 {\n private boolean flag=true;\npublic void flag(){\n this.flag=false;\n\n}\n\n public static void main(String[] args) throws InterruptedException {\n new TestSleep2().tenDown();\n\n }\n public void tenDown() throws InterruptedException {\n int n=20;\n while (flag){\n Date time=new Date(System.currentTimeMillis());\/\/\u83b7\u53d6\u7cfb\u7edf\u5f53\u524d\u65f6\u95f4\n System.out.println(n);\n Thread.sleep(1000);\n n--;\n System.out.println(new SimpleDateFormat(\"yyyy-MM-dd HH:mm:ss\").format(time));\n time=new Date(System.currentTimeMillis());\/\/\u66f4\u65b0\u65f6\u95f4\n\n if(n<=0){\n flag();\n }\n\n }\n\n }\n\n\n}<\/code><\/pre>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-46-1024x564.png\")
<\/div><\/figure>\n\n\n\npackage com.itheima.mp;\n\/\/\u7ebf\u7a0b\u793c\u8ba9\npublic class TestYield implements Runnable{\n\/\/\u793c\u8ba9\u4e0d\u4e00\u5b9a\u6210\u529f\n public static void main(String[] args) {\n\n TestYield testYield = new TestYield();\n new Thread(testYield,\"a\").start();\n new Thread(testYield,\"b\").start();\n new Thread(testYield,\"c\").start();\n }\n\n @Override\n public void run() {\n new yeild().lirang();\n }\n}\nclass yeild{\n public void lirang(){\n\n\n System.out.println(Thread.currentThread().getName()+\"\u51c6\u5907\u5c31\u7eea\");\n Thread.yield();\/\/\u7ebf\u7a0b\u793c\u8ba9\n System.out.println(Thread.currentThread().getName()+\"\u5df2\u7ecf\u7ed3\u675f\");\n\n }\n\n\n}\n<\/code><\/pre>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-47-1024x461.png\")
<\/div><\/figure>\n\n\n\npackage com.itheima.mp;\n\npublic class JoinTest implements Runnable{\n\n\n public static void main(String[] args) throws InterruptedException {\n\n JoinTest joinTest = new JoinTest();\n \/\/\u542f\u52a8\u6211\u4eec\u7684\u65b9\u6cd5\n Thread thread = new Thread(joinTest);\n thread.start();\n\n\n\n \/\/\u4e3b\u7ebf\u7a0b\n for (int i = 0; i < 100; i++) {\n System.out.println(\"main\"+i);\n if (i==50){\n thread.join();\/\/\u63d2\u961f\n\n\n }\n System.out.println(\"main\"+i);\n }\n\n }\n\n @Override\n public void run() {\n for (int i = 0; i < 100; i++) {\n System.out.println(\"\u7ebf\u7a0bvip\u6765\u4e86\"+i);\n\n }\n }\n\n\n}\n<\/code><\/pre>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-48-1024x530.png\")
<\/div><\/figure>\n\n\n\npackage com.itheima.mp;\n\npublic class TestState {\n\n public static void main(String[] args) throws InterruptedException {\n\n\n Thread thread = new Thread(() -> {\n\n for (int i = 0; i < 5; i++) {\n try {\n System.out.println(i);\n Thread.sleep(1000);\n\n } catch (InterruptedException e) {\n throw new RuntimeException(e);\n }\n }\n\n });\n\n Thread.State state = thread.getState();\n \/\/\u89c2\u6d4b\u72b6\u6001\n System.out.println(state);\n \/\/\u7ebf\u7a0b\u542f\u52a8\n thread.start();\n System.out.println(state);\n \/\/\u73b0\u573a\u7ed3\u675f\n while (state != Thread.State.TERMINATED) {\n Thread.sleep(100);\n Thread.State state1 = thread.getState();\n \/\/\u53ea\u8981\u7ebf\u7a0b\u4e0d\u7ec8\u6b62\uff0c\u5c31\u4e00\u76f4\u8f93\u51fa\u72b6\u6001\n System.out.println(state1);\n }\n\n }\n}\n<\/code><\/pre>\n\n\n\nsetPriority<\/code>\u65b9\u6cd5\u6765\u8bbe\u7f6e\u7ebf\u7a0b\u7684\u4f18\u5148\u7ea7\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u793a\u4f8b\uff1a<\/p>\n\n\n\npublic class ThreadPriorityExample {\n public static void main(String[] args) {\n Thread thread1 = new Thread(() -> {\n \/\/ \u7ebf\u7a0b\u8981\u6267\u884c\u7684\u4efb\u52a1\u5185\u5bb9\n for (int i = 0; i < 1000; i++) {\n System.out.println(\"\u7ebf\u7a0b1\u6267\u884c\uff1a\" + i);\n }\n });\n\n Thread thread2 = new Thread(() -> {\n \/\/ \u7ebf\u7a0b\u8981\u6267\u884c\u7684\u4efb\u52a1\u5185\u5bb9\n for (int i = 0; i < 1000; i++) {\n System.out.println(\"\u7ebf\u7a0b2\u6267\u884c\uff1a\" + i);\n }\n });\n\n \/\/ \u8bbe\u7f6e\u7ebf\u7a0b1\u7684\u4f18\u5148\u7ea7\u4e3a7\n thread1.setPriority(7);\n \/\/ \u7ebf\u7a0b2\u4f7f\u7528\u9ed8\u8ba4\u4f18\u5148\u7ea75\n thread2.start();\n thread1.start();\n }\n}<\/code><\/pre>\n\n\n\npackage com.itheima.mp;
import java.util.ArrayList;
\/\/\u6d4b\u8bd5ArrayList\u96c6\u5408
public class TestList {
public static void main(String[] args) throws InterruptedException {
ArrayList<String> list = new ArrayList<>();
for (int i = 0; i < 10000; i++) {
new Thread(()->{
synchronized (list){
list.add( (Thread.currentThread<\/em>().getName()));
}
}).start();
}
Thread.sleep<\/em>(3000);
System.out<\/em>.println(list.size());
}
}<\/pre>\n\n\n\nsynchronized<\/code>\u5173\u952e\u5b57\u5bf9\u6574\u4e2alist<\/code>\u5bf9\u8c61\u8fdb\u884c\u540c\u6b65\u867d\u7136\u80fd\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\uff0c\u4f46\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u56e0\u4e3a\u540c\u4e00\u65f6\u523b\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u80fd\u591f\u8fdb\u5165\u540c\u6b65\u5757\u5bf9list<\/code>\u8fdb\u884c\u64cd\u4f5c\uff0c\u5176\u4ed6\u7ebf\u7a0b\u9700\u8981\u7b49\u5f85\uff0c\u8fd9\u4f1a\u9020\u6210\u5927\u91cf\u7684\u7ebf\u7a0b\u7b49\u5f85\u65f6\u95f4\uff0c\u964d\u4f4e\u4e86\u6574\u4f53\u7684\u6267\u884c\u6548\u7387\u3002<\/p>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-55-1024x657.png\")
<\/div><\/figure>\n\n\n\npackage com.itheima.mp;\n\nimport java.util.concurrent.CopyOnWriteArrayList;\n\npublic class JUCtest {\n\n\n public static void main(String[] args) throws InterruptedException {\n CopyOnWriteArrayList<String> list = new CopyOnWriteArrayList<>();\n for (int i = 0; i < 10000; i++) {\n new Thread(()->{\n list.add(Thread.currentThread().getName());\n }).start();\n }\n Thread.sleep(3000);\n System.out.println(list.size());\n\n }\n}\n<\/code><\/pre>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-56.png\")
<\/div><\/figure>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-57-1024x267.png\")
<\/div><\/figure>\n\n\n\npackage com.itheima.mp;\n\n\n\/\/\u6b7b\u9501\uff1a\u591a\u4e2a\u7ebf\u7a0b\u4e92\u76f8\u62b1\u7740\u5bf9\u65b9\u7684\u8d44\u6e90\uff0c\u7136\u540e\u5f62\u6210\u50f5\u6301\npublic class DeadLOck {\n public static void main(String[] args) {\n MakeUp girl1=new MakeUp(0,\"\u7070\u59d1\u5a18\");\n MakeUp girl2=new MakeUp(1,\"\u767d\u96ea\u516c\u4e3b\");\n girl1.start();\n girl2.start();\n\n }\n}\n\n\/\/\u53e3\u7ea2\nclass Lipstick{\n}\n\nclass Mirror{\n}\nclass MakeUp extends Thread{\n\n \/\/\u9700\u8981\u7684\u8d44\u6e90\u53ea\u6709\u4e00\u4efd\nstatic Lipstick lipstick=new Lipstick();\nstatic Mirror mirror=new Mirror();\nint choice;\/\/\u9009\u62e9\n String girlName;\/\/\u4f7f\u7528\u5316\u5986\u54c1\u7684\u4eba\n MakeUp(int choice,String girlName){\n this.choice=choice;\n this.girlName=girlName;\n\n }\n\n @Override\n public void run() {\n try {\n makeup();\n } catch (InterruptedException e) {\n throw new RuntimeException(e);\n }\n }\n \/\/\u4e92\u76f8\u6301\u6709\u5bf9\u65b9\u7684\u8d44\u6e90\n private void makeup() throws InterruptedException {\n if(choice==0){\n\n synchronized(lipstick){\n \/\/\u83b7\u5f97\u53e3\u7ea2\u7684\u9501\n System.out.println(this.girlName+\"\u83b7\u5f97\u53e3\u7ea2\u7684\u9501\");\n Thread.sleep(1000);\n synchronized(mirror){\n \/\/\u4e00\u79d2\u949f\u540e\u83b7\u5f97\u955c\u5b50\u7684\u9501\n System.out.println(this.girlName+\"\u83b7\u5f97\u955c\u5b50\u7684\u9501\");\n\n }\n }\n }else {\n\n synchronized(mirror){\n \/\/\u83b7\u5f97\u53e3\u7ea2\u7684\u9501\n System.out.println(this.girlName+\"\u83b7\u5f97\u955c\u5b50\u7684\u9501\");\n Thread.sleep(2000);\n synchronized(lipstick){\n \/\/\u4e00\u79d2\u949f\u540e\u83b7\u5f97\u955c\u5b50\u7684\u9501\n System.out.println(this.girlName+\"\u83b7\u5f97\u53e3\u7ea2\u7684\u9501\");\n\n }\n }\n }\n\n }\n}<\/code><\/pre>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-58.png\")
<\/div><\/figure>\n\n\n\npackage com.itheima.mp;\n\n\n\/\/\u6b7b\u9501\uff1a\u591a\u4e2a\u7ebf\u7a0b\u4e92\u76f8\u62b1\u7740\u5bf9\u65b9\u7684\u8d44\u6e90\uff0c\u7136\u540e\u5f62\u6210\u50f5\u6301\npublic class DeadLOck {\n public static void main(String[] args) {\n MakeUp girl1=new MakeUp(0,\"\u7070\u59d1\u5a18\");\n MakeUp girl2=new MakeUp(1,\"\u767d\u96ea\u516c\u4e3b\");\n girl1.start();\n girl2.start();\n\n }\n}\n\n\/\/\u53e3\u7ea2\nclass Lipstick{\n}\n\nclass Mirror{\n}\nclass MakeUp extends Thread{\n\n \/\/\u9700\u8981\u7684\u8d44\u6e90\u53ea\u6709\u4e00\u4efd\nstatic Lipstick lipstick=new Lipstick();\nstatic Mirror mirror=new Mirror();\nint choice;\/\/\u9009\u62e9\n String girlName;\/\/\u4f7f\u7528\u5316\u5986\u54c1\u7684\u4eba\n MakeUp(int choice,String girlName){\n this.choice=choice;\n this.girlName=girlName;\n\n }\n\n @Override\n public void run() {\n try {\n makeup();\n } catch (InterruptedException e) {\n throw new RuntimeException(e);\n }\n }\n \/\/\u4e92\u76f8\u6301\u6709\u5bf9\u65b9\u7684\u8d44\u6e90\n private void makeup() throws InterruptedException {\n if(choice==0){\n\n synchronized(lipstick){\n \/\/\u83b7\u5f97\u53e3\u7ea2\u7684\u9501\n System.out.println(this.girlName+\"\u83b7\u5f97\u53e3\u7ea2\u7684\u9501\");\n Thread.sleep(1000);\n\n }\n\n\n synchronized(mirror) {\n \/\/\u4e00\u79d2\u949f\u540e\u83b7\u5f97\u955c\u5b50\u7684\u9501\n System.out.println(this.girlName + \"\u83b7\u5f97\u955c\u5b50\u7684\u9501\");\n }\n }else {\n\n synchronized(mirror){\n \/\/\u83b7\u5f97\u53e3\u7ea2\u7684\u9501\n System.out.println(this.girlName+\"\u83b7\u5f97\u955c\u5b50\u7684\u9501\");\n Thread.sleep(2000);\n\n }\n\n synchronized(lipstick){\n \/\/\u4e00\u79d2\u949f\u540e\u83b7\u5f97\u955c\u5b50\u7684\u9501\n System.out.println(this.girlName+\"\u83b7\u5f97\u53e3\u7ea2\u7684\u9501\");\n\n }\n }\n\n }\n}<\/code><\/pre>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-59.png\")
<\/div><\/figure>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-60-1024x441.png\")
<\/div><\/figure>\n\n\n\npackage com.itheima.mp;\n\nimport java.util.concurrent.locks.ReentrantLock;\n\n\/\/\u6d4b\u8bd5LOCK\u9501\npublic class TestLocks {\n\n\n public static void main(String[] args) {\n\n TestLock testLock = new TestLock();\n new Thread(testLock).start();\n new Thread(testLock).start();\n new Thread(testLock).start();\n new Thread(testLock).start();\n\n\n }\n}\n\n class TestLock implements Runnable {\n\n int ticketNum = 10;\n \/\/\u5b9a\u4e49Lock\u9501\n private final ReentrantLock lock = new ReentrantLock();\n\n @Override\n public void run() {\n while (true) {\n try {\n lock.lock();\/\/\u52a0\u9501\n\n if (ticketNum > 0) {\n\n System.out.println(ticketNum--);\n try {\n Thread.sleep(1000);\n } catch (InterruptedException e) {\n throw new RuntimeException(e);\n }\n\n } else {\n break;\n }\n\n\n }finally {\n\n\n lock.unlock();\n }\n }\n }\n }\n<\/code><\/pre>\n\n\n\nprivate final ReentrantLock lock = new ReentrantLock();
lock.lock();\/\/\u52a0\u9501
<\/pre>\n\n\n\nlock.unlock();<\/pre>\n\n\n\n
![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-61-1024x566.png\")
<\/div><\/figure>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-62-1024x565.png\")
<\/div><\/figure>\n\n\n\npackage com.itheima.mp;\n\nimport org.apache.commons.io.FileUtils;\n\nimport java.io.File;\nimport java.io.IOException;\nimport java.net.URL;\nimport java.util.concurrent.*;\n\npublic class TestCallable implements Callable<Boolean> {\n String name;\n String url;\n public TestCallable(String url, String name) {\n\n this.name = name;\n this.url = url;\n }\n\n @Override\n public Boolean call( ) {\n\n WebImagedownlode imagedownlode = new WebImagedownlode();\n System.out.println(\"\u56fe\u7247\u5f00\u59cb\u4e0b\u8f7d\uff0c\u4e0b\u8f7d\u56fe\u7247\u540d\u79f0\u4e3a\"+name);\n\n imagedownlode.imageDownLoad(url,name);\n System.out.println(\"\u56fe\u7247\u5b8c\u6210\uff0c\u4e0b\u8f7d\u56fe\u7247\u540d\u79f0\u4e3a\"+name);\n return true;\n }\n\n public static void main(String[] args) throws ExecutionException, InterruptedException {\n\n String url1=\"https:\/\/tse4-mm.cn.bing.net\/th\/id\/OIP-C.jdP04yEoxG10mcywseQj7gAAAA?rs=1&pid=ImgDetMain\";\n String url2=\"https:\/\/tse4-mm.cn.bing.net\/th\/id\/OIP-C.jdP04yEoxG10mcywseQj7gAAAA?rs=1&pid=ImgDetMain\";\n String url3=\"https:\/\/tse4-mm.cn.bing.net\/th\/id\/OIP-C.jdP04yEoxG10mcywseQj7gAAAA?rs=1&pid=ImgDetMain\";\n String name1=\"\u5730\u74031\";\n String name2=\"\u5730\u74032\";\n String name3=\"\u5730\u74033\";\n \/\/\n TestCallable t1 = new TestCallable(url1, name1);\n TestCallable t2 = new TestCallable(url2, name2);\n TestCallable t3 = new TestCallable(url3, name3);\n\n \/\/\u521b\u5efa\u6267\u884c\u4efb\u52a1\n ExecutorService ser = Executors.newFixedThreadPool(3);\n \/\/\u63d0\u4ea4\u6267\u884c\n Future<Boolean> r1 = ser.submit(t1);\n Future<Boolean> r2 = ser.submit(t2);\n Future<Boolean> r3 = ser.submit(t3);\n \/\/\u83b7\u53d6\u7ed3\u679c\n Boolean b = r1.get();\n\n Boolean b1 = r2.get();\n Boolean b2 = r3.get();\n\n \/\/\u5173\u95ed\u670d\u52a1\n ser.shutdown();\n\n }\n\n class WebImagedownlode{\n public void imageDownLoad(String url ,String name){\n\n try {\n FileUtils.copyURLToFile(new URL(url),new File(name));\n } catch (IOException e) {\n e.printStackTrace();\n System.out.println(\"WebImagedownlode\u65b9\u6cd5\u51fa\u73b0\u5f02\u5e38\uff0c\u56fe\u7247\u4e0b\u8f7d\u5931\u8d25\uff01\");\n }\n\n\n }\n\n }\n\n\n\n}\n<\/code><\/pre>\n\n\n\n TestCallable t1 = new TestCallable(url1, name1);\n TestCallable t2 = new TestCallable(url2, name2);\n TestCallable t3 = new TestCallable(url3, name3);\n\n \/\/\u521b\u5efa\u6267\u884c\u4efb\u52a1\n ExecutorService ser = Executors.newFixedThreadPool(3);\n \/\/\u63d0\u4ea4\u6267\u884c\n Future<Boolean> r1 = ser.submit(t1);\n Future<Boolean> r2 = ser.submit(t2);\n Future<Boolean> r3 = ser.submit(t3);\n \/\/\u83b7\u53d6\u7ed3\u679c\n Boolean b = r1.get();\n\n Boolean b1 = r2.get();\n Boolean b2 = r3.get();\n\n \/\/\u5173\u95ed\u670d\u52a1\n ser.shutdown();<\/code><\/pre>\n\n\n\npackage com.itheima.mp;\n\nimport java.util.concurrent.Executor;\nimport java.util.concurrent.ExecutorService;\nimport java.util.concurrent.Executors;\n\npublic class TestPool\n{\n\n\n public static void main(String[] args) {\n \/\/\u521b\u5efa\u4e86\u4e00\u4e2a\u7ebf\u7a0b\u6c60\uff0c\u91cc\u9762\u6709\u4e09\u4e2a\u7ebf\u7a0b\n ExecutorService service = Executors.newFixedThreadPool(3);\n service.execute(new MyThread());\n service.execute(new MyThread());\n service.execute(new MyThread());\n\n\n service.shutdown();\n\n }\n}\nclass MyThread implements Runnable{\n\n @Override\n public void run() {\n\n for (int i = 0; i < 100; i++) {\n System.out.println(Thread.currentThread().getName());\n\n }\n }\n}<\/code><\/pre>\n\n\n\npackage com.itheima.mp;\n\nimport java.util.concurrent.*;\n\npublic class ReviewThread {\n\n\n public static void main(String[] args) throws ExecutionException, InterruptedException {\n \/\/\n He he = new He();\n he.start();\n\n \/\/\u901a\u8fc7Runnable\n me1 me1 = new me1();\n new Thread(me1).start();\n\n \/\/\u901a\u8fc7Callable\n\n GMX gmx1 = new GMX();\n System.out.println(gmx1.toString());\n GMX gmx2 = new GMX();\n GMX gmx3 = new GMX();\n ExecutorService service = Executors.newFixedThreadPool(10);\n Future<String> submit = service.submit(gmx1);\n String s = submit.get();\n System.out.println(gmx1.toString());\/\/\u8f93\u51fa\u7684\u5e94\u8be5\u662fhash\u503c\n Future<String> submit1 = service.submit(gmx2);\n String s1 = submit.get();\n System.out.println(gmx2.toString()+s1);\n Future<String> submit2 = service.submit(gmx3);\n String s2 = submit2.get();\n System.out.println(gmx3.toString()+s2);\n service.shutdown();\n ExecutorService service2 = Executors.newFixedThreadPool(10);\n service2.submit(me1);\n service2.shutdown();\n\n }\n}\n\/\/\u901a\u8fc7Thread\u6765\u521b\u5efa\u7ebf\u7a0b\nclass He extends Thread{\n\n\n @Override\n public void run() {\n System.out.println(\"\u5927\u5bb6\u597d\uff0c\u6211\u662f\u4f55\u4f73\u5174,\u7528\u7684\u662fThread\");\n }\n}\n\n\n\n\/\/\u901a\u8fc7Runnable\u6765\u521b\u5efa\u7ebf\u7a0b\nclass me1 implements Runnable{\n @Override\n public void run() {\n System.out.println(\"\u5927\u5bb6\u597d\uff0c\u6211\u662f\u4ed8\u6c38\u95ef,\u7528\u7684\u662fRunnable\");\n }\n}\n\n\nclass GMX implements Callable<String> {\n\n @Override\n public String call() throws Exception {\n\n System.out.println(\"\u5927\u5bb6\u597d\uff0c\u6211\u662f\u90ed\u660e\u8f69,\u7528\u7684\u662fCallable\");\n return \"\u5927\u5bb6\u597d\uff0c\u6211\u662f\u90ed\u660e\u8f69,\u7528\u7684\u662fCallable\";\n }\n}\n\n<\/code><\/pre>\n\n\n\n
<\/p>\n\n\n\n![\"\"](\"https:\/\/note.ui11.cc\/wp-content\/uploads\/2024\/11\/image-64-1024x224.png\")
<\/div><\/figure>\n\n\n\n