{"id":203734,"date":"2025-05-22T09:35:58","date_gmt":"2025-05-22T01:35:58","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203734\/"},"modified":"2025-05-22T09:35:58","modified_gmt":"2025-05-22T01:35:58","slug":"java%e5%a4%9a%e7%ba%bf%e7%a8%8b%e6%b5%8b%e8%af%95%e5%87%ba%e7%8e%b0%e8%af%af%e5%af%bc%e6%80%a7%e7%bb%93%e6%9e%9c%ef%bc%9a%e4%b8%ba%e4%bb%80%e4%b9%88%e5%8d%95%e7%ba%bf%e7%a8%8b%e6%b5%8b%e8%af%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203734\/","title":{"rendered":"Java\u591a\u7ebf\u7a0b\u6d4b\u8bd5\u51fa\u73b0\u8bef\u5bfc\u6027\u7ed3\u679c\uff1a\u4e3a\u4ec0\u4e48\u5355\u7ebf\u7a0b\u6d4b\u8bd5\u6ca1\u95ee\u9898\uff0c\u800c\u591a\u7ebf\u7a0b\u6d4b\u8bd5\u5374\u5931\u8d25\u4e86\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java\u591a\u7ebf\u7a0b\u6d4b\u8bd5\u51fa\u73b0\u8bef\u5bfc\u6027\u7ed3\u679c\uff1a\u4e3a\u4ec0\u4e48\u5355\u7ebf\u7a0b\u6d4b\u8bd5\u6ca1\u95ee\u9898\uff0c\u800c\u591a\u7ebf\u7a0b\u6d4b\u8bd5\u5374\u5931\u8d25\u4e86\uff1f<\/h1>\n<p>\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u52aa\u529b\u5b66\u4e60\u5427\uff01\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aJava\u591a\u7ebf\u7a0b\u6d4b\u8bd5\u51fa\u73b0\u8bef\u5bfc\u6027\u7ed3\u679c\uff1a\u4e3a\u4ec0\u4e48\u5355\u7ebf\u7a0b\u6d4b\u8bd5\u6ca1\u95ee\u9898\uff0c\u800c\u591a\u7ebf\u7a0b\u6d4b\u8bd5\u5374\u5931\u8d25\u4e86\uff1f\u300b<\/span>\u4e3b\u8981\u8bb2\u89e3\u4e86<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6211\u4f1a\u5728\u4e2d\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u7684\u7cfb\u5217\u6587\u7ae0\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u5e76\u79ef\u6781\u7559\u8a00\u5efa\u8bae\u3002\u4e0b\u9762\u5c31\u5148\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u672c\u7bc7\u6b63\u6587\u5185\u5bb9\u5427\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241120\/1732097377673db561e500e.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>Java\u591a\u7ebf\u7a0b\u7684\u9690\u60a3\uff1a\u7ebf\u7a0b\u4e0d\u5b89\u5168\u4e0e\u8bef\u5bfc\u6027\u6d4b\u8bd5<\/strong><\/p>\n<p>\u591a\u5e74\u6765\uff0c\u591a\u7ebf\u7a0b\u7f16\u7a0b\u4e00\u76f4\u56f0\u6270\u7740\u4e0d\u5c11Java\u5f00\u53d1\u4eba\u5458\u3002\u6587\u7ae0\u4e2d\u63d0\u4f9b\u7684\u4ee3\u7801\u7247\u6bb5\u5c31\u662f\u4e00\u4e2a\u5178\u578b\u7684\u4f8b\u5b50\uff0c\u5b83\u5c55\u793a\u4e86\u7ebf\u7a0b\u4e0d\u5b89\u5168\u7684\u4ee3\u7801\u53ef\u80fd\u4ea7\u751f\u7684\u610f\u5916\u7ed3\u679c\u3002<\/p>\n<p><strong>\u95ee\u9898\u63cf\u8ff0<\/strong><\/p>\n<p>\u8981\u6d4b\u8bd5\u7684\u4ee3\u7801\u662f\u4e00\u4e2a\u540d\u4e3aEl\u7684\u7c7b\uff0c\u8be5\u7c7b\u53ea\u6709\u4e00\u4e2acount\u5b57\u6bb5\u548c\u4e24\u4e2a\u65b9\u6cd5\uff1aadd()\u548cget(). add()\u65b9\u6cd5\u5c06count\u9012\u589e\uff0c\u800cget()\u65b9\u6cd5\u8fd4\u56decount\u7684\u503c\u3002<\/p>\n<p><strong>\u9519\u8bef\u7684\u6d4b\u8bd5<\/strong><\/p>\n<p>\u4f7f\u7528\u7ebf\u7a0b\u6c60\u6d4b\u8bd5El\u7c7b\u65f6\uff0c\u7ed3\u679c\u5e76\u4e0d\u662f\u9884\u671f\u4e2d\u7684100\uff0c\u8fd9\u610f\u5473\u7740\u8be5\u4ee3\u7801\u4e0d\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\u3002\u7136\u800c\uff0c\u4f7f\u7528\u5355\u72ec\u7684\u7ebf\u7a0b\u8fdb\u884c\u6d4b\u8bd5\u65f6\uff0c\u7ed3\u679c\u5374\u603b\u662f100\uff0c\u8fd9\u4f3c\u4e4e\u8868\u660e\u8be5\u4ee3\u7801\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\u3002<\/p>\n<p><strong>\u539f\u56e0\u5206\u6790<\/strong><\/p>\n<p>\u8fd9\u79cd\u4e0d\u4e00\u81f4\u7684\u7ed3\u679c\u662f\u7531\u4e09\u4e2a\u56e0\u7d20\u9020\u6210\u7684\uff1a<\/p>\n<ul>\n<li>\u7ebf\u7a0b\u8c03\u5ea6\uff1a\u4f7f\u7528\u7ebf\u7a0b\u6c60\u65f6\uff0c\u591a\u4e2a\u7ebf\u7a0b\u53ef\u80fd\u4f1a\u4ea4\u9519\u6267\u884c El \u7c7b\u7684 add() \u65b9\u6cd5\uff0c\u8fd9\u4f1a\u5bfc\u81f4 count \u7684\u503c\u4e0d\u6b63\u786e\u3002<\/li>\n<li>\u4f11\u7720\u65f6\u95f4\uff1a\u5728\u7b2c\u4e00\u6b21\u6d4b\u8bd5\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86 Thread.sleep(100) \u4f11\u7720\u7ebf\u7a0b\uff0c\u8fd9\u7ed9\u4e86\u5176\u4ed6\u7ebf\u7a0b\u65f6\u95f4\u6765\u6267\u884c add() \u65b9\u6cd5\u5e76\u4fee\u6539 count \u7684\u503c\u3002\u800c\u7b2c\u4e8c\u6b21\u6d4b\u8bd5\u4e2d\u6ca1\u6709\u4f11\u7720\u7ebf\u7a0b\uff0c\u5bfc\u81f4 El \u7c7b\u7684 add() \u65b9\u6cd5\u53ef\u80fd\u5728\u5176\u4ed6\u7ebf\u7a0b\u6267\u884c\u4e4b\u524d\u5b8c\u6210\u3002<\/li>\n<li>\u5355\u5411\u9012\u589e\uff1aEl \u7c7b\u7684 add() \u65b9\u6cd5\u53ea\u589e\u52a0\u4e86 count \u7684\u503c\uff0c\u6ca1\u6709\u9012\u51cf\u64cd\u4f5c\u3002\u8fd9\u8fdb\u4e00\u6b65\u589e\u52a0\u4e86\u51fa\u73b0\u7ebf\u7a0b\u4e0d\u5b89\u5168\u95ee\u9898\u7684\u53ef\u80fd\u6027\uff0c\u56e0\u4e3a\u591a\u4e2a\u7ebf\u7a0b\u53ef\u80fd\u4f1a\u540c\u65f6\u5c1d\u8bd5\u589e\u52a0 count \u7684\u503c\u3002<\/li>\n<\/ul>\n<p><strong>\u89e3\u51b3\u529e\u6cd5<\/strong><\/p>\n<p>\u8981\u4fee\u590dEl\u7c7b\u4e2d\u7684\u7ebf\u7a0b\u4e0d\u5b89\u5168\u6027\u95ee\u9898\uff0c\u9700\u8981\u5bf9\u4ee3\u7801\u8fdb\u884c\u4e00\u4e9b\u4fee\u6539\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528synchronized\u5173\u952e\u5b57\u540c\u6b65add()\u65b9\u6cd5\uff0c\u8fd9\u5c06\u786e\u4fdd\u540c\u4e00\u65f6\u95f4\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u53ef\u4ee5\u6267\u884c\u8be5\u65b9\u6cd5\u3002<\/li>\n<li>\u6dfb\u52a0get()\u548cadd()\u65b9\u6cd5\u7684\u5355\u5143\u6d4b\u8bd5\uff0c\u4ee5\u5f7b\u5e95\u9a8c\u8bc1\u5176\u7ebf\u7a0b\u5b89\u5168\u6027\u3002<\/li>\n<li>\u5728El\u7c7b\u4e2d\u6dfb\u52a0\u9012\u51cf\u65b9\u6cd5\uff0c\u4ee5\u5141\u8bb8\u7ebf\u7a0b\u51cf\u5c11count\u7684\u503c\uff0c\u6a21\u62df\u73b0\u5b9e\u573a\u666f\u4e2d\u7684\u4f7f\u7528\u60c5\u51b5\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u5b9e\u65bd\u8fd9\u4e9b\u66f4\u6539\uff0cEl\u7c7b\u5c06\u6210\u4e3a\u4e00\u4e2a\u771f\u6b63\u7684\u7ebf\u7a0b\u5b89\u5168\u7c7b\uff0c\u65e0\u8bba\u4f7f\u7528\u7ebf\u7a0b\u6c60\u8fd8\u662f\u5355\u72ec\u7684\u7ebf\u7a0b\uff0c\u6d4b\u8bd5\u7ed3\u679c\u90fd\u5c06\u5982\u9884\u671f\u7684\u90a3\u6837\u53ef\u9760\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\u6d4b\u8bd5\u51fa\u73b0\u8bef\u5bfc\u6027\u7ed3\u679c&#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-203734","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203734","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=203734"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203734\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203734"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203734"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203734"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}