{"id":202549,"date":"2025-05-22T08:14:15","date_gmt":"2025-05-22T00:14:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202549\/"},"modified":"2025-05-22T08:14:15","modified_gmt":"2025-05-22T00:14:15","slug":"java-%e5%87%bd%e6%95%b0%e7%ba%bf%e7%a8%8b%e5%ae%89%e5%85%a8%e6%80%a7%e7%9a%84%e6%80%a7%e8%83%bd%e5%bd%b1%e5%93%8d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202549\/","title":{"rendered":"Java \u51fd\u6570\u7ebf\u7a0b\u5b89\u5168\u6027\u7684\u6027\u80fd\u5f71\u54cd"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java \u51fd\u6570\u7ebf\u7a0b\u5b89\u5168\u6027\u7684\u6027\u80fd\u5f71\u54cd<\/h1>\n<p>\u6765\u5230\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6587\u7ae0\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aJava \u51fd\u6570\u7ebf\u7a0b\u5b89\u5168\u6027\u7684\u6027\u80fd\u5f71\u54cd\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p>Java \u51fd\u6570\u7684\u7ebf\u7a0b\u5b89\u5168\u6027\u4f1a\u5f71\u54cd\u6027\u80fd\u3002\u7ebf\u7a0b\u5b89\u5168\u51fd\u6570\u901a\u5e38\u6bd4\u7ebf\u7a0b\u4e0d\u5b89\u5168\u51fd\u6570\u6162\uff0c\u56e0\u4e3a\u5b83\u4eec\u9700\u8981\u540c\u6b65\u673a\u5236\u4fdd\u8bc1\u5b89\u5168\u6027\u3002\u4e0d\u53ef\u53d8\u51fd\u6570\u5728\u5e76\u53d1\u73af\u5883\u4e2d\u6267\u884c\u5f97\u6700\u5feb\uff0c\u56e0\u4e3a\u5b83\u4eec\u4e0d\u9700\u8981\u540c\u6b65\u3002\u5728\u8bbe\u8ba1\u548c\u5b9e\u73b0\u591a\u7ebf\u7a0b\u5e94\u7528\u7a0b\u5e8f\u65f6\uff0c\u4e86\u89e3\u8fd9\u4e9b\u6027\u80fd\u5f71\u54cd\u81f3\u5173\u91cd\u8981\uff0c\u4ee5\u4fbf\u505a\u51fa\u660e\u667a\u7684\u51b3\u7b56\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729916665671c6ef915a1b.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>Java \u51fd\u6570\u7ebf\u7a0b\u5b89\u5168\u6027\u7684\u6027\u80fd\u5f71\u54cd<\/strong><\/p>\n<p><strong>\u7b80\u4ecb<\/strong><\/p>\n<p>\u7ebf\u7a0b\u5b89\u5168\u6027\u662f\u6307\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\uff0c\u51fd\u6570\u53ef\u4ee5\u5b89\u5168\u5730\u5e76\u884c\u6267\u884c\uff0c\u800c\u65e0\u9700\u62c5\u5fc3\u6570\u636e\u7ade\u4e89\u6216\u5176\u4ed6\u95ee\u9898\u3002Java \u51fd\u6570\u7684\u7ebf\u7a0b\u5b89\u5168\u6027\u81f3\u5173\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u5f71\u54cd\u6027\u80fd\u548c\u5e76\u53d1\u7a0b\u5e8f\u7684\u6b63\u786e\u6027\u3002<\/p>\n<p><strong>\u7ebf\u7a0b\u5b89\u5168\u6027\u7684\u4e0d\u540c\u7ea7\u522b<\/strong><\/p>\n<p>Java \u51fd\u6570\u7ebf\u7a0b\u5b89\u5168\u6027\u7684\u7ea7\u522b\u56e0\u51fd\u6570\u800c\u5f02\u3002\u4e3b\u8981\u7c7b\u578b\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u7ebf\u7a0b\u5b89\u5168\uff1a<\/strong> \u51fd\u6570\u53ef\u4ee5\u5b89\u5168\u5730\u5e76\u884c\u6267\u884c\uff0c\u65e0\u9700\u540c\u6b65\u3002<\/li>\n<li><strong>\u7ebf\u7a0b\u4e0d\u5b89\u5168\uff1a<\/strong> \u51fd\u6570\u5728\u5e76\u53d1\u73af\u5883\u4e2d\u4e0d\u5b89\u5168\uff0c\u9700\u8981\u540c\u6b65\u624d\u80fd\u4f7f\u7528\u3002<\/li>\n<li><strong>\u4e0d\u53ef\u53d8\uff1a<\/strong> \u51fd\u6570\u4e0d\u4fee\u6539\u5176\u72b6\u6001\uff0c\u56e0\u6b64\u59cb\u7ec8\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\u3002<\/li>\n<\/ul>\n<p><strong>\u6027\u80fd\u5f71\u54cd<\/strong><\/p>\n<p>\u7ebf\u7a0b\u5b89\u5168\u6027\u4f1a\u663e\u7740\u5f71\u54cd\u6027\u80fd\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u5e76\u884c\u6267\u884c\u7684\u51fd\u6570\u3002<\/p>\n<ul>\n<li><strong>\u7ebf\u7a0b\u5b89\u5168\u51fd\u6570\uff1a<\/strong> \u5b83\u4eec\u901a\u5e38\u6bd4\u7ebf\u7a0b\u4e0d\u5b89\u5168\u51fd\u6570\u6267\u884c\u5f97\u6162\uff0c\u56e0\u4e3a\u5b83\u4eec\u9700\u8981\u989d\u5916\u7684\u540c\u6b65\u673a\u5236\u6765\u4fdd\u8bc1\u7ebf\u7a0b\u5b89\u5168\u6027\u3002<\/li>\n<li><strong>\u7ebf\u7a0b\u4e0d\u5b89\u5168\u51fd\u6570\uff1a<\/strong> \u5b83\u4eec\u5728\u5355\u7ebf\u7a0b\u73af\u5883\u4e2d\u53ef\u80fd\u6267\u884c\u5f97\u66f4\u5feb\uff0c\u4f46\u5fc5\u987b\u5c0f\u5fc3\u4f7f\u7528\uff0c\u4ee5\u514d\u4ea7\u751f\u5e76\u53d1\u7684\u9519\u8bef\u3002<\/li>\n<li><strong>\u4e0d\u53ef\u53d8\u51fd\u6570\uff1a<\/strong> \u5b83\u4eec\u5728\u5e76\u53d1\u73af\u5883\u4e2d\u59cb\u7ec8\u6267\u884c\u5f97\u6700\u5feb\uff0c\u56e0\u4e3a\u5b83\u4eec\u4e0d\u9700\u8981\u4efb\u4f55\u540c\u6b65\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8003\u8651\u4ee5\u4e0b Java \u51fd\u6570\uff1a<\/p>\n<pre>public class Counter {\n    private int count;\n\n    public void increment() {\n        count++;\n    }\n}<\/pre>\n<p><code>increment()<\/code> \u51fd\u6570\u4e0d\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\uff0c\u56e0\u4e3a\u591a\u4e2a\u7ebf\u7a0b\u53ef\u4ee5\u540c\u65f6\u8c03\u7528\u5b83\u5e76\u66f4\u6539 <code>count<\/code> \u7684\u503c\u3002\u8fd9\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u7ade\u4e89\u548c\u5176\u4ed6\u95ee\u9898\u3002<\/p>\n<p>\u4e3a\u4e86\u4f7f\u5176\u7ebf\u7a0b\u5b89\u5168\uff0c\u53ef\u4ee5\u5bf9 <code>increment()<\/code> \u51fd\u6570\u8fdb\u884c\u540c\u6b65\uff1a<\/p>\n<pre>public synchronized void increment() {\n    count++;\n}<\/pre>\n<p>\u4f46\u662f\uff0c\u540c\u6b65\u4f1a\u964d\u4f4e\u51fd\u6570\u7684\u6267\u884c\u901f\u5ea6\uff0c\u7279\u522b\u662f\u5f53\u5b83\u88ab\u9891\u7e41\u8c03\u7528\u65f6\u3002<\/p>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>Java \u51fd\u6570\u7684\u7ebf\u7a0b\u5b89\u5168\u6027\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u8003\u8651\u56e0\u7d20\uff0c\u56e0\u4e3a\u5b83\u5f71\u54cd\u6027\u80fd\u548c\u5e76\u53d1\u7a0b\u5e8f\u7684\u6b63\u786e\u6027\u3002\u4e86\u89e3\u4e0d\u540c\u7ea7\u522b\u7684\u7ebf\u7a0b\u5b89\u5168\u6027\u548c\u5b83\u4eec\u7684\u6027\u80fd\u5f71\u54cd\u81f3\u5173\u91cd\u8981\uff0c\u4ee5\u4fbf\u5728\u8bbe\u8ba1\u548c\u5b9e\u73b0\u591a\u7ebf\u7a0b\u5e94\u7528\u7a0b\u5e8f\u65f6\u505a\u51fa\u660e\u667a\u7684\u51b3\u7b56\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300aJava \u51fd\u6570\u7ebf\u7a0b\u5b89\u5168\u6027\u7684\u6027\u80fd\u5f71\u54cd\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u51fd\u6570,\u7ebf\u7a0b\u5b89\u5168\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java \u51fd\u6570\u7ebf\u7a0b\u5b89\u5168\u6027\u7684\u6027\u80fd\u5f71&#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-202549","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202549","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=202549"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202549\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202549"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202549"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202549"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}