{"id":9817,"date":"2023-11-28T21:12:47","date_gmt":"2023-11-28T13:12:47","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=9817"},"modified":"2023-11-28T21:12:52","modified_gmt":"2023-11-28T13:12:52","slug":"java-zhong-shen-me-shicas-ni-shi-ru-he-li-jie-de","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/java-zhong-shen-me-shicas-ni-shi-ru-he-li-jie-de\/","title":{"rendered":"Java\u4e2d\u4ec0\u4e48\u662fCAS, \u4f60\u662f\u5982\u4f55\u7406\u89e3\u7684?"},"content":{"rendered":"<p>CAS \u662f compare and swap \u7684\u7f29\u5199\uff0c\u5373\u6211\u4eec\u6240\u8bf4\u7684\u6bd4\u8f83\u4ea4\u6362\u3002<br \/>\nCAS \u662f\u4e00\u79cd\u57fa\u4e8e\u9501\u7684\u64cd\u4f5c\uff0c\u800c\u4e14\u662f\u4e50\u89c2\u9501\u3002\u5728 Java \u4e2d\u9501\u5206\u4e3a\u4e50\u89c2\u9501\u548c\u60b2\u89c2\u9501\u3002\u60b2\u89c2\u9501\u662f\u5c06\u8d44\u6e90\u9501\u4f4f\uff0c\u7b49\u4e00\u4e2a\u4e4b\u524d\u83b7\u5f97\u9501\u7684\u7ebf\u7a0b\u91ca\u653e\u9501\u4e4b\u540e\uff0c\u4e0b\u4e00\u4e2a\u7ebf\u7a0b\u624d\u53ef\u4ee5\u8bbf\u95ee\u3002\u800c\u4e50\u89c2\u9501\u91c7\u53d6\u4e86\u4e00\u79cd\u5bbd\u6cdb\u7684\u6001\u5ea6\uff0c\u901a\u8fc7\u67d0\u79cd\u65b9\u5f0f\u4e0d\u52a0\u9501\u6765\u5904\u7406\u8d44\u6e90,\u6bd4\u5982\u901a\u8fc7\u7ed9\u8bb0\u5f55\u52a0 version \u6765\u83b7\u53d6\u6570\u636e\uff0c\u6027\u80fd\u8f83\u60b2\u89c2\u9501\u6709\u5f88\u5927\u7684\u63d0\u9ad8\u3002<br \/>\nCAS \u64cd\u4f5c\u5305\u542b\u4e09\u4e2a\u64cd\u4f5c\u6570\u2014\u2014\u5185\u5b58\u4f4d\u7f6e\uff08V\uff09\u3001\u9884\u671f\u539f\u503c\uff08A\uff09\u548c\u65b0\u503c(B)\u3002\u5982\u679c\u5185\u5b58\u5730\u5740\u91cc\u9762\u7684\u503c\u548cA\u7684\u503c\u662f\u4e00\u6837\u7684\uff0c\u90a3\u4e48\u5c31\u5c06\u5185\u5b58\u91cc\u9762\u7684\u503c\u66f4\u65b0\u6210 B\u3002CAS \u662f\u901a\u8fc7\u65e0\u9650\u5faa\u73af\u6765\u83b7\u53d6\u6570\u636e\u7684\uff0c\u5982\u679c\u5728\u7b2c\u4e00\u8f6e\u5faa\u73af\u4e2d\uff0ca \u7ebf\u7a0b\u83b7\u53d6\u5730\u5740\u91cc\u9762\u7684\u503c\u88abb \u7ebf\u7a0b\u4fee\u6539\u4e86\uff0c\u90a3\u4e48 a \u7ebf\u7a0b\u9700\u8981\u81ea\u65cb\uff0c\u5230\u4e0b\u6b21\u5faa\u73af\u624d\u53ef\u80fd\u6709\u673a\u4f1a\u6267\u884c\u3002<br \/>\njava.util.concurrent.atomic \u5305\u4e0b\u7684\u7c7b\u5927\u591a\u662f\u4f7f\u7528 CAS \u64cd\u4f5c\u6765\u5b9e\u73b0\u7684<br \/>\n(AtomicInteger, AtomicBoolean, AtomicLong)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CAS \u662f compare and swap \u7684\u7f29\u5199\uff0c\u5373\u6211\u4eec\u6240\u8bf4\u7684\u6bd4\u8f83\u4ea4\u6362\u3002 CAS \u662f\u4e00\u79cd\u57fa\u4e8e\u9501\u7684\u64cd\u4f5c\uff0c\u800c\u4e14 [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[99],"tags":[],"class_list":["post-9817","post","type-post","status-publish","format-standard","hentry","category-javabase"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/9817","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=9817"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/9817\/revisions"}],"predecessor-version":[{"id":9818,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/9817\/revisions\/9818"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=9817"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=9817"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=9817"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}