{"id":203702,"date":"2025-05-22T08:08:21","date_gmt":"2025-05-22T00:08:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203702\/"},"modified":"2025-05-22T08:08:21","modified_gmt":"2025-05-22T00:08:21","slug":"java-%e5%a4%9a%e7%ba%bf%e7%a8%8b%e6%a8%a1%e6%8b%9f%e5%85%ac%e5%b9%b3%e6%8a%a2%e7%a5%a8%ef%bc%9a%e5%a6%82%e4%bd%95%e7%a1%ae%e4%bf%9d%e6%af%8f%e4%b8%aa%e7%ba%bf%e7%a8%8b%e9%83%bd%e6%9c%89%e5%b9%b3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203702\/","title":{"rendered":"Java \u591a\u7ebf\u7a0b\u6a21\u62df\u516c\u5e73\u62a2\u7968\uff1a\u5982\u4f55\u786e\u4fdd\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u6709\u5e73\u7b49\u7684\u673a\u4f1a\u83b7\u53d6\u7968\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

Java \u591a\u7ebf\u7a0b\u6a21\u62df\u516c\u5e73\u62a2\u7968\uff1a\u5982\u4f55\u786e\u4fdd\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u6709\u5e73\u7b49\u7684\u673a\u4f1a\u83b7\u53d6\u7968\uff1f <\/h1>\n

\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\u6a21\u62df\u516c\u5e73\u62a2\u7968\uff1a\u5982\u4f55\u786e\u4fdd\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u6709\u5e73\u7b49\u7684\u673a\u4f1a\u83b7\u53d6\u7968\uff1f \u300b\uff0c\u6d89\u53ca\u5230\uff0c\u6709\u9700\u8981\u7684\u53ef\u4ee5\u6536\u85cf\u4e00\u4e0b<\/p>\n

<\/p>\n

\u5982\u4f55\u5728 Java \u4e2d\u4f7f\u7528\u591a\u7ebf\u7a0b\u6a21\u62df\u516c\u5e73\u62a2\u7968<\/strong><\/p>\n

\u4e3a\u4e86\u6a21\u62df\u591a\u7ebf\u7a0b\u516c\u5e73\u62a2\u7968\uff0c\u6211\u4eec\u9700\u8981\u4fdd\u8bc1\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u6709\u5e73\u7b49\u7684\u673a\u4f1a\u83b7\u53d6\u7968\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6280\u672f\uff1a<\/p>\n

ConcurrentHashSet<\/strong><\/p>\n

ConcurrentHashSet \u662f\u4e00\u4e2a\u5e76\u53d1\u5b89\u5168\u7684\u96c6\u5408\uff0c\u53ef\u4ee5\u4fdd\u8bc1\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b\u5143\u7d20\u7684\u552f\u4e00\u6027\u548c\u539f\u5b50\u6027\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u4fdd\u5b58\u5269\u4f59\u7684\u7968\u3002<\/p>\n

AtomicInteger<\/strong><\/p>\n

AtomicInteger \u662f\u4e00\u4e2a\u539f\u5b50\u6027\u7684\u6574\u6570\u53d8\u91cf\uff0c\u53ef\u4ee5\u4fdd\u8bc1\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b\u5bf9\u5b83\u7684\u64cd\u4f5c\u662f\u539f\u5b50\u7684\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u8bb0\u5f55\u5269\u4f59\u7968\u6570\u3002<\/p>\n

\u516c\u5e73\u9501<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 ReentrantLock \u6765\u5b9e\u73b0\u516c\u5e73\u9501\u3002\u516c\u5e73\u9501\u4fdd\u8bc1\u7ebf\u7a0b\u6309\u7b49\u5f85\u961f\u5217\u7684\u987a\u5e8f\u83b7\u53d6\u9501\uff0c\u4ece\u800c\u4fdd\u8bc1\u4e86\u516c\u5e73\u6027\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 ReentrantLock \u6765\u4fdd\u62a4\u7968\u7684\u8bbf\u95ee\u3002<\/p>\n

\u5177\u4f53\u5b9e\u73b0<\/strong><\/p>\n

\u521b\u5efa\u4e00\u4e2a ConcurrentHashSet \u6765\u4fdd\u5b58\u5269\u4f59\u7968\u6570\u3002
\u521b\u5efa\u4e00\u4e2a AtomicInteger \u6765\u8bb0\u5f55\u5269\u4f59\u7968\u6570\u3002
\u521b\u5efa ReentrantLock\uff08fair = true\uff09\u6765\u4fdd\u62a4\u7968\u7684\u8bbf\u95ee\u3002
\u521b\u5efa 100 \u4e2a\u7ebf\u7a0b\uff0c\u6bcf\u4e2a\u7ebf\u7a0b\u4ee3\u8868\u4e00\u4e2a\u62a2\u7968\u8005\u3002
\u6bcf\u4e2a\u7ebf\u7a0b\u5faa\u73af\u5c1d\u8bd5\u83b7\u53d6\u7968\uff0c\u65b9\u6cd5\u5982\u4e0b\uff1a
\u83b7\u53d6 ReentrantLock\u3002
\u68c0\u67e5\u5269\u4f59\u7968\u6570\u662f\u5426\u5927\u4e8e 0\u3002
\u5982\u679c\u5269\u4f59\u7968\u6570\u5927\u4e8e 0\uff0c\u4f7f\u7528 AtomicInteger \u51cf\u4e00\u5e76\u83b7\u53d6\u4e00\u5f20\u7968\u3002
\u91ca\u653e ReentrantLock\u3002<\/p>\n

\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aJava \u591a\u7ebf\u7a0b\u6a21\u62df\u516c\u5e73\u62a2\u7968\uff1a\u5982\u4f55\u786e\u4fdd\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u6709\u5e73\u7b49\u7684\u673a\u4f1a\u83b7\u53d6\u7968\uff1f \u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

Java \u591a\u7ebf\u7a0b\u6a21\u62df\u516c\u5e73\u62a2\u7968\uff1a\u5982...<\/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-203702","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203702","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=203702"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203702\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203702"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203702"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203702"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}