{"id":10332,"date":"2023-11-28T21:32:35","date_gmt":"2023-11-28T13:32:35","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=10332"},"modified":"2023-11-28T21:32:38","modified_gmt":"2023-11-28T13:32:38","slug":"java-zhongvolatile-lei-xing-bian-liang-ti-gong-she","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/java-zhongvolatile-lei-xing-bian-liang-ti-gong-she\/","title":{"rendered":"Java\u4e2dvolatile\u7c7b\u578b\u53d8\u91cf\u63d0\u4f9b\u4ec0\u4e48\u4fdd\u8bc1?"},"content":{"rendered":"<p>volatile \u53d8\u91cf\u63d0\u4f9b\u987a\u5e8f\u548c\u53ef\u89c1\u6027\u4fdd\u8bc1\uff0c\u4f8b\u5982\uff0cJVM \u6216\u8005 JIT \u4e3a\u4e86\u83b7\u5f97\u66f4\u597d\u7684\u6027\u80fd\u4f1a\u5bf9\u8bed\u53e5\u91cd\u6392\u5e8f\uff0c\u4f46\u662f volatile \u7c7b\u578b\u53d8\u91cf\u5373\u4f7f\u5728\u6ca1\u6709\u540c\u6b65\u5757\u7684\u60c5\u51b5\u4e0b\u8d4b\u503c\u4e5f\u4e0d\u4f1a\u4e0e\u5176\u4ed6\u8bed\u53e5\u91cd\u6392\u5e8f\u3002volatile \u63d0\u4f9b happens-before \u7684\u4fdd\u8bc1\uff0c\u786e\u4fdd\u4e00\u4e2a\u7ebf\u7a0b\u7684\u4fee\u6539\u80fd\u5bf9\u5176\u4ed6\u7ebf\u7a0b\u662f\u53ef\u89c1\u7684\u3002<br \/>\n\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0cvolatile \u8fd8\u80fd\u63d0\u4f9b\u539f\u5b50\u6027\uff0c\u5982\u8bfb 64 \u4f4d\u6570\u636e\u7c7b\u578b\uff0c\u50cf long \u548cdouble \u90fd\u4e0d\u662f\u539f\u5b50\u7684\uff0c\u4f46 volatile \u7c7b\u578b\u7684 double \u548c long \u5c31\u662f\u539f\u5b50\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>volatile \u53d8\u91cf\u63d0\u4f9b\u987a\u5e8f\u548c\u53ef\u89c1\u6027\u4fdd\u8bc1\uff0c\u4f8b\u5982\uff0cJVM \u6216\u8005 JIT \u4e3a\u4e86\u83b7\u5f97\u66f4\u597d\u7684\u6027\u80fd\u4f1a\u5bf9\u8bed\u53e5\u91cd\u6392\u5e8f\uff0c\u4f46\u662f [&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-10332","post","type-post","status-publish","format-standard","hentry","category-javabase"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10332","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=10332"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10332\/revisions"}],"predecessor-version":[{"id":10333,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10332\/revisions\/10333"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=10332"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=10332"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=10332"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}