\u5f53Java\u7a0b\u5e8f\u542f\u52a8\u65f6\uff0c\u4e00\u4e2a\u7ebf\u7a0b\u7acb\u523b\u8fd0\u884c\uff0c\u8be5\u7ebf\u7a0b\u901a\u5e38\u53eb\u505a\u7a0b\u5e8f\u7684\u4e3b\u7ebf\u7a0b\uff08main thread\uff09\uff0c\u56e0\u4e3a\u5b83\u662f\u7a0b\u5e8f\u5f00\u59cb\u65f6\u5c31\u6267\u884c\u7684\u3002
\n\u4e3b\u7ebf\u7a0b\u7684\u91cd\u8981\u6027\u4f53\u73b0\u5728\u4e24\u65b9\u9762\uff1a
\n<\/p>\n
\u5b83\u662f\u4ea7\u751f\u5176\u4ed6\u5b50\u7ebf\u7a0b\u7684\u7ebf\u7a0b\uff1b
\n\u901a\u5e38\u5b83\u5fc5\u987b\u6700\u540e\u5b8c\u6210\u6267\u884c\uff0c\u56e0\u4e3a\u5b83\u6267\u884c\u5404\u79cd\u5173\u95ed\u52a8\u4f5c\u3002<\/p>\n
\u5c3d\u7ba1\u4e3b\u7ebf\u7a0b\u5728\u7a0b\u5e8f\u542f\u52a8\u65f6\u81ea\u52a8\u521b\u5efa\uff0c\u4f46\u5b83\u53ef\u4ee5\u7531\u4e00\u4e2aThread\u5bf9\u8c61\u63a7\u5236\u3002\u4e3a\u6b64\uff0c\u4f60\u5fc5\u987b\u8c03\u7528\u65b9\u6cd5currentThread()\u83b7\u5f97\u4e3b\u7ebf\u7a0b\u7684\u4e00\u4e2a\u5f15\u7528\uff0ccurrentThread()\u662fThread\u7c7b\u7684\u516c\u6709\u7684\u9759\u6001\u6210\u5458\u3002\u5b83\u7684\u901a\u5e38\u5f62\u5f0f\u5982\u4e0b\uff1a
\n\u00a0\u00a0\u00a0 static Thread currentThread( )
\n\u8be5\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u8c03\u7528\u5b83\u7684\u7ebf\u7a0b\u7684\u5f15\u7528\u3002\u4e00\u65e6\u4f60\u83b7\u5f97\u4e3b\u7ebf\u7a0b\u7684\u5f15\u7528\uff0c\u4f60\u5c31\u53ef\u4ee5\u50cf\u63a7\u5236\u5176\u4ed6\u7ebf\u7a0b\u90a3\u6837\u63a7\u5236\u4e3b\u7ebf\u7a0b\u3002<\/p>\n
\u8ba9\u6211\u4eec\u4ece\u590d\u4e60\u4e0b\u9762\u4f8b\u9898\u5f00\u59cb\uff1a
\n[java]\/\/ Controlling the main Thread.
\nclass CurrentThreadDemo {
\n\u00a0\u00a0\u00a0 public static void main(String args[]) {
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Thread t = Thread.currentThread();
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println("Current thread: " + t);
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/ change the name of the thread
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 t.setName("My Thread");
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println("After name change: " + t);
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 try {
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 for(int n = 5; n > 0; n–) {
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println(n);
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Thread.sleep(1000);
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 }
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 } catch (InterruptedException e) {
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 System.out.println("Main thread interrupted");
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 }
\n\u00a0\u00a0\u00a0 }
\n}
\n[\/java]
\n\u5728\u672c\u7a0b\u5e8f\u4e2d\uff0c\u5f53\u524d\u7ebf\u7a0b\uff08\u81ea\u7136\u662f\u4e3b\u7ebf\u7a0b\uff09\u7684\u5f15\u7528\u901a\u8fc7\u8c03\u7528currentThread()\u83b7\u5f97\uff0c\u8be5\u5f15\u7528\u4fdd\u5b58\u5728\u5c40\u90e8\u53d8\u91cft\u4e2d\u3002\u7136\u540e\uff0c\u7a0b\u5e8f\u663e\u793a\u4e86\u7ebf\u7a0b\u7684\u4fe1\u606f\u3002\u63a5\u7740\u7a0b\u5e8f\u8c03\u7528setName()\u6539\u53d8\u7ebf\u7a0b\u7684\u5185\u90e8\u540d\u79f0\u3002\u7ebf\u7a0b\u4fe1\u606f\u53c8\u88ab\u663e\u793a\u3002\u7136\u540e\uff0c\u4e00\u4e2a\u5faa\u73af\u6570\u4ece5\u5f00\u59cb\u9012\u51cf\uff0c\u6bcf\u6570\u4e00\u6b21\u6682\u505c\u4e00\u79d2\u3002\u6682\u505c\u662f\u7531sleep()\u65b9\u6cd5\u6765\u5b8c\u6210\u7684\u3002Sleep()\u8bed\u53e5\u660e\u786e\u89c4\u5b9a\u5ef6\u8fdf\u65f6\u95f4\u662f1\u6beb\u79d2\u3002\u6ce8\u610f\u5faa\u73af\u5916\u7684try\/catch\u5757\u3002<\/p>\n
Thread\u7c7b\u7684sleep()\u65b9\u6cd5\u53ef\u80fd\u5f15\u53d1\u4e00\u4e2aInterruptedException\u5f02\u5e38\u3002\u8fd9\u79cd\u60c5\u5f62\u4f1a\u5728\u5176\u4ed6\u7ebf\u7a0b\u60f3\u8981\u6253\u6405\u6c89\u7761\u7ebf\u7a0b\u65f6\u53d1\u751f\u3002\u672c\u4f8b\u53ea\u662f\u6253\u5370\u4e86\u5b83\u662f\u5426\u88ab\u6253\u65ad\u7684\u6d88\u606f\u3002\u5728\u5b9e\u9645\u7684\u7a0b\u5e8f\u4e2d\uff0c\u4f60\u5fc5\u987b\u7075\u6d3b\u5904\u7406\u6b64\u7c7b\u95ee\u9898\u3002\u4e0b\u9762\u662f\u672c\u7a0b\u5e8f\u7684\u8f93\u51fa\uff1a
\nCurrent thread: Thread[main,5,main]
\nAfter name change: Thread[My Thread,5,main]<\/p>\n
\u6ce8\u610ft\u4f5c\u4e3a\u8bed\u53e5println()\u4e2d\u53c2\u6570\u8fd0\u7528\u65f6\u8f93\u51fa\u7684\u4ea7\u751f\u3002\u8be5\u663e\u793a\u987a\u5e8f\uff1a\u7ebf\u7a0b\u540d\u79f0\uff0c\u4f18\u5148\u7ea7\u4ee5\u53ca\u7ec4\u7684\u540d\u79f0\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u4e3b\u7ebf\u7a0b\u7684\u540d\u79f0\u662fmain\u3002\u5b83\u7684\u4f18\u5148\u7ea7\u662f5\uff0c\u8fd9\u4e5f\u662f\u9ed8\u8ba4\u503c\uff0cmain\u4e5f\u662f\u6240\u5c5e\u7ebf\u7a0b\u7ec4\u7684\u540d\u79f0\u3002\u4e00\u4e2a\u7ebf\u7a0b\u7ec4\uff08thread group\uff09\u662f\u4e00\u79cd\u5c06\u7ebf\u7a0b\u4f5c\u4e3a\u4e00\u4e2a\u6574\u4f53\u96c6\u5408\u7684\u72b6\u6001\u63a7\u5236\u7684\u6570\u636e\u7ed3\u6784\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u7531\u4e13\u6709\u7684\u8fd0\u884c\u65f6\u73af\u5883\u6765\u5904\u7406\uff0c\u5728\u6b64\u5c31\u4e0d\u8d58\u8ff0\u4e86\u3002\u7ebf\u7a0b\u540d\u6539\u53d8\u540e\uff0ct\u53c8\u88ab\u8f93\u51fa\u3002\u8fd9\u6b21\uff0c\u663e\u793a\u4e86\u65b0\u7684\u7ebf\u7a0b\u540d\u3002<\/p>\n
\u8ba9\u6211\u4eec\u66f4\u4ed4\u7ec6\u7684\u7814\u7a76\u7a0b\u5e8f\u4e2dThread\u7c7b\u5b9a\u4e49\u7684\u65b9\u6cd5\u3002sleep()\u65b9\u6cd5\u6309\u7167\u6beb\u79d2\u7ea7\u7684\u65f6\u95f4\u6307\u793a\u4f7f\u7ebf\u7a0b\u4ece\u88ab\u8c03\u7528\u5230\u6302\u8d77\u3002\u5b83\u7684\u901a\u5e38\u5f62\u5f0f\u5982\u4e0b\uff1a
\n\u00a0\u00a0\u00a0 static void sleep(long milliseconds) throws InterruptedException
\n\u6302\u8d77\u7684\u65f6\u95f4\u88ab\u660e\u786e\u5b9a\u4e49\u4e3a\u6beb\u79d2\u3002\u8be5\u65b9\u6cd5\u53ef\u80fd\u5f15\u53d1InterruptedException\u5f02\u5e38\u3002<\/p>\n
sleep()\u65b9\u6cd5\u8fd8\u6709\u7b2c\u4e8c\u79cd\u5f62\u5f0f\uff0c\u663e\u793a\u5982\u4e0b\uff0c\u8be5\u65b9\u6cd5\u5141\u8bb8\u4f60\u6307\u5b9a\u65f6\u95f4\u662f\u4ee5\u6beb\u79d2\u8fd8\u662f\u4ee5\u7eb3\u79d2\u4e3a\u5468\u671f\u3002
\n\u00a0\u00a0\u00a0 static void sleep(long milliseconds, int nanoseconds) throws InterruptedException<\/p>\n
\u7b2c\u4e8c\u79cd\u5f62\u5f0f\u4ec5\u5f53\u5141\u8bb8\u4ee5\u7eb3\u79d2\u4e3a\u65f6\u95f4\u5468\u671f\u65f6\u53ef\u7528\u3002\u5982\u4e0a\u8ff0\u7a0b\u5e8f\u6240\u793a\uff0c\u4f60\u53ef\u4ee5\u7528setName()\u8bbe\u7f6e\u7ebf\u7a0b\u540d\u79f0\uff0c\u7528getName()\u6765\u83b7\u5f97\u7ebf\u7a0b\u540d\u79f0\uff08\u8be5\u8fc7\u7a0b\u5728\u7a0b\u5e8f\u4e2d\u6ca1\u6709\u4f53\u73b0\uff09\u3002\u8fd9\u4e9b\u65b9\u6cd5\u90fd\u662fThread \u7c7b\u7684\u6210\u5458\uff0c\u58f0\u660e\u5982\u4e0b\uff1a
\n\u00a0\u00a0\u00a0 final void setName(String threadName)
\n\u00a0\u00a0\u00a0 final String getName( )
\n\u8fd9\u91cc\uff0cthreadName \u7279\u6307\u7ebf\u7a0b\u540d\u79f0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53Java\u7a0b\u5e8f\u542f\u52a8\u65f6\uff0c\u4e00\u4e2a\u7ebf\u7a0b\u7acb\u523b\u8fd0\u884c\uff0c\u8be5\u7ebf\u7a0b\u901a\u5e38\u53eb\u505a\u7a0b\u5e8f\u7684\u4e3b\u7ebf\u7a0b\uff08main thread\uff09\uff0c\u56e0\u4e3a\u5b83\u662f\u7a0b\u5e8f\u5f00\u59cb […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[19],"tags":[],"_links":{"self":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/209"}],"collection":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=209"}],"version-history":[{"count":2,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/209\/revisions"}],"predecessor-version":[{"id":314,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/209\/revisions\/314"}],"wp:attachment":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=209"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=209"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=209"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}