{"id":64881,"date":"2025-05-03T09:01:03","date_gmt":"2025-05-03T01:01:03","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64881\/"},"modified":"2025-05-03T09:01:03","modified_gmt":"2025-05-03T01:01:03","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%b3-3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64881\/","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":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173086760465002.jpg\" class=\"aligncenter\" title=\"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\u63d2\u56fe\" alt=\"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\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 java \u4e2d\u4f7f\u7528\u591a\u7ebf\u7a0b\u6a21\u62df\u516c\u5e73\u62a2\u7968<\/strong><\/p>\n<p>\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<p><strong>ConcurrentHashSet<\/strong><\/p>\n<p>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<p><strong>AtomicInteger<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>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<p><strong>\u516c\u5e73\u9501<\/strong><\/p>\n<p>\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<p><strong>\u5177\u4f53\u5b9e\u73b0<\/strong><\/p>\n<p>\u521b\u5efa\u4e00\u4e2a ConcurrentHashSet \u6765\u4fdd\u5b58\u5269\u4f59\u7968\u6570\u3002<br \/>\u521b\u5efa\u4e00\u4e2a AtomicInteger \u6765\u8bb0\u5f55\u5269\u4f59\u7968\u6570\u3002<br \/>\u521b\u5efa ReentrantLock\uff08fr = true\uff09\u6765\u4fdd\u62a4\u7968\u7684\u8bbf\u95ee\u3002<br \/>\u521b\u5efa 100 \u4e2a\u7ebf\u7a0b\uff0c\u6bcf\u4e2a\u7ebf\u7a0b\u4ee3\u8868\u4e00\u4e2a\u62a2\u7968\u8005\u3002<br \/>\u6bcf\u4e2a\u7ebf\u7a0b\u5faa\u73af\u5c1d\u8bd5\u83b7\u53d6\u7968\uff0c\u65b9\u6cd5\u5982\u4e0b\uff1a<br \/> \u83b7\u53d6 ReentrantLock\u3002<br \/> \u68c0\u67e5\u5269\u4f59\u7968\u6570\u662f\u5426\u5927\u4e8e 0\u3002<br \/> \u5982\u679c\u5269\u4f59\u7968\u6570\u5927\u4e8e 0\uff0c\u4f7f\u7528 AtomicInteger \u51cf\u4e00\u5e76\u83b7\u53d6\u4e00\u5f20\u7968\u3002<br \/> \u91ca\u653e ReentrantLock\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fJava \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\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5728 java \u4e2d\u4f7f\u7528\u591a\u7ebf\u7a0b\u6a21\u62df\u516c\u5e73\u62a2\u7968 \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 ConcurrentHashSet 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 AtomicInteger \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b 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 \u516c\u5e73\u9501 \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 \u5177\u4f53\u5b9e\u73b0 \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\uff08fr = 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 \u4ee5\u4e0a\u5c31\u662fJava \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\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-64881","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64881","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=64881"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64881\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64881"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64881"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}