{"id":203219,"date":"2025-05-22T10:29:22","date_gmt":"2025-05-22T02:29:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203219\/"},"modified":"2025-05-22T10:29:22","modified_gmt":"2025-05-22T02:29:22","slug":"java-%e5%a4%9a%e7%ba%bf%e7%a8%8b%e4%ba%a4%e6%9b%bf%e5%8a%a0%e5%87%8f%e8%bf%90%e7%ae%97%e4%b8%ba%e4%bd%95%e5%87%ba%e7%8e%b0%e8%b4%9f%e6%95%b0%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203219\/","title":{"rendered":"Java \u591a\u7ebf\u7a0b\u4ea4\u66ff\u52a0\u51cf\u8fd0\u7b97\u4e3a\u4f55\u51fa\u73b0\u8d1f\u6570\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java \u591a\u7ebf\u7a0b\u4ea4\u66ff\u52a0\u51cf\u8fd0\u7b97\u4e3a\u4f55\u51fa\u73b0\u8d1f\u6570\uff1f<\/h1>\n<p>\u600e\u4e48\u5165\u95e8\u6587\u7ae0\u7f16\u7a0b\uff1f\u9700\u8981\u5b66\u4e60\u54ea\u4e9b\u77e5\u8bc6\u70b9\uff1f\u8fd9\u662f\u65b0\u624b\u4eec\u521a\u63a5\u89e6\u7f16\u7a0b\u65f6\u5e38\u89c1\u7684\u95ee\u9898\uff1b\u4e0b\u9762\u5c31\u6765\u7ed9\u5927\u5bb6\u6574\u7406\u5206\u4eab\u4e00\u4e9b\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u591f\u7ed9\u521d\u5b66\u8005\u4e00\u4e9b\u5e2e\u52a9\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u4ecb\u7ecd\u300aJava \u591a\u7ebf\u7a0b\u4ea4\u66ff\u52a0\u51cf\u8fd0\u7b97\u4e3a\u4f55\u51fa\u73b0\u8d1f\u6570\uff1f\u300b\uff0c\u6d89\u53ca\u5230\uff0c\u6709\u9700\u8981\u7684\u53ef\u4ee5\u6536\u85cf\u4e00\u4e0b<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241102\/17305131886725892415f3e.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>java \u591a\u7ebf\u7a0b\u5b9e\u73b0\u52a0\u51cf\u4ea4\u66ff\u8fd0\u7b97 \u7ed3\u679c\u4e0e\u9884\u671f\u4e0d\u7b26<\/strong><\/p>\n<p>\u672c\u4ee3\u7801\u8bd5\u56fe\u4f7f\u7528\u591a\u7ebf\u7a0b\u4ea4\u66ff\u6267\u884c\u52a0\u6cd5\u548c\u51cf\u6cd5\u64cd\u4f5c\uff0c\u786e\u4fdd\u52a0\u6cd5\u64cd\u4f5c\u5728\u524d\uff0c\u51cf\u6cd5\u64cd\u4f5c\u5728\u540e\u3002\u7136\u800c\uff0c\u5b9e\u9645\u8fd0\u884c\u7ed3\u679c\u663e\u793a\uff0c\u51fa\u73b0\u4e86\u8d1f\u6570\uff0c\u4e0e\u9884\u671f\u4e0d\u7b26\u3002<\/p>\n<p><strong>\u539f\u56e0\u5206\u6790\uff1a<\/strong><\/p>\n<p>\u5f53\u51cf\u6cd5\u7ebf\u7a0b\u8fdb\u5165\u4ee3\u7801\u5757\u65f6\uff0c\u5982\u679c flag \u4e3a true\uff08\u8868\u793a\u5f53\u524d\u5141\u8bb8\u52a0\u6cd5\uff09\uff0c\u5219\u8be5\u7ebf\u7a0b\u8fdb\u5165 wait() \u72b6\u6001\uff0c\u7b49\u5f85\u88ab\u5524\u9192\u3002\u7136\u800c\uff0c\u5373\u4f7f\u51cf\u6cd5\u7ebf\u7a0b\u8fdb\u5165 wait() \u72b6\u6001\uff0c\u5b83\u4ecd\u7136\u6301\u6709\u5bf9\u8c61\u9501\uff0c\u963b\u6b62\u52a0\u6cd5\u7ebf\u7a0b\u8fdb\u5165\u4ee3\u7801\u5757\u3002<\/p>\n<p>\u8fd9\u79cd\u60c5\u51b5\u5bfc\u81f4\u4e00\u4e2a\u52a0\u6cd5\u7ebf\u7a0b\u8fdb\u5165\u4ee3\u7801\u5757\uff0c\u6267\u884c\u52a0\u6cd5\u64cd\u4f5c\uff0c\u5e76\u5c06 flag \u6807\u8bb0\u4e3a false\u3002\u6b64\u65f6\uff0c\u5524\u9192\u51cf\u6cd5\u7ebf\u7a0b\uff0c\u5b83\u4eec\u4f1a\u6267\u884c\u51cf\u6cd5\u64cd\u4f5c\uff0c\u7531\u4e8e\u4ecd\u7136\u6301\u6709\u5bf9\u8c61\u9501\uff0c\u5b83\u4eec\u53ef\u4ee5\u6210\u529f\u6267\u884c\u51cf\u6cd5\uff0c\u5bfc\u81f4\u8d1f\u6570\u7ed3\u679c\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6cd5\uff1a<\/strong><\/p>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u9700\u8981\u5728 \u51cf\u6cd5\u7ebf\u7a0b \u7684 wait() \u4e4b\u524d\u91ca\u653e\u5bf9\u8c61\u9501\uff0c\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>public synchronized void sub() throws InterruptedException {\n    if (this.flag) {            \n        synchronized (this) {\n            super.wait();\n        }\n    }\n    \/\/ ...\n}<\/pre>\n<p>\u901a\u8fc7\u5728 wait() \u4e4b\u524d\u91ca\u653e\u5bf9\u8c61\u9501\uff0c\u51cf\u6cd5\u7ebf\u7a0b\u5728\u8fdb\u5165 wait() \u72b6\u6001\u540e\u5c06\u4e0d\u518d\u6301\u6709\u9501\uff0c\u5141\u8bb8\u52a0\u6cd5\u7ebf\u7a0b\u8fdb\u5165\u4ee3\u7801\u5757\u5e76\u6267\u884c\u52a0\u6cd5\u64cd\u4f5c\u3002\u8fd9\u5c06\u786e\u4fdd\u52a0\u51cf\u64cd\u4f5c\u6309\u7167\u9884\u671f\u4ea4\u66ff\u6267\u884c\uff0c\u907f\u514d\u51fa\u73b0\u8d1f\u6570\u7ed3\u679c\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java \u591a\u7ebf\u7a0b\u4ea4\u66ff\u52a0\u51cf\u8fd0\u7b97\u4e3a\u4f55&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-203219","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203219","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=203219"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203219\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203219"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203219"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203219"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}