{"id":11284,"date":"2023-11-28T21:58:34","date_gmt":"2023-11-28T13:58:34","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=11284"},"modified":"2023-12-08T11:30:20","modified_gmt":"2023-12-08T03:30:20","slug":"jvm-zhong-neng-gou-zhao-daoreference-chain-de-dui","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/jvm-zhong-neng-gou-zhao-daoreference-chain-de-dui\/","title":{"rendered":"JVM\u4e2d\u80fd\u591f\u627e\u5230Reference Chain\u7684\u5bf9\u8c61\uff0c\u5c31\u4e00\u5b9a\u4f1a\u5b58\u6d3b\u4e48\uff1f"},"content":{"rendered":"

\u4e0d\u4e00\u5b9a\u3002\u5728Java\u865a\u62df\u673a\u4e2d\uff0cReference Chain\uff08\u5f15\u7528\u94fe\uff09\u662f\u6307\u4e00\u7cfb\u5217\u76f8\u4e92\u5173\u8054\u7684\u5f15\u7528\uff0c\u8fde\u63a5\u4e86\u4e00\u7ec4\u5bf9\u8c61\u3002Reference Chain \u7684\u5f62\u6210\u901a\u5e38\u662f\u7531\u4e8e\u5bf9\u8c61\u4e4b\u95f4\u7684\u5f15\u7528\u5173\u7cfb\uff0c\u4f8b\u5982\uff0c\u4e00\u4e2a\u5bf9\u8c61\u5f15\u7528\u4e86\u53e6\u4e00\u4e2a\u5bf9\u8c61\uff0c\u800c\u53e6\u4e00\u4e2a\u5bf9\u8c61\u53c8\u5f15\u7528\u4e86\u7b2c\u4e09\u4e2a\u5bf9\u8c61\uff0c\u4f9d\u6b64\u7c7b\u63a8\u3002<\/p>\n

Reference Chain \u4e2d\u7684\u5bf9\u8c61\u4e0d\u4e00\u5b9a\u4f1a\u5b58\u6d3b\uff0c\u56e0\u4e3a\u5728Java\u7684\u5783\u573e\u56de\u6536\u673a\u5236\u4e2d\uff0c\u5bf9\u8c61\u7684\u5b58\u6d3b\u4e0e\u5176\u662f\u5426\u88ab\u5f15\u7528\u6709\u5173\u3002Reference Chain \u4e2d\u7684\u5bf9\u8c61\u53ea\u6709\u5728\u6ca1\u6709\u88ab\u4efb\u4f55\u5f3a\u5f15\u7528\u5173\u8054\u65f6\uff0c\u624d\u4f1a\u88ab\u8ba4\u4e3a\u662f\u4e0d\u53ef\u8fbe\u7684\uff0c\u8fdb\u800c\u53ef\u80fd\u88ab\u5783\u573e\u56de\u6536\u3002<\/p>\n

Reference Chain \u4e2d\u7684\u5f15\u7528\u53ef\u4ee5\u5206\u4e3a\u51e0\u79cd\u7c7b\u578b\uff1a<\/p>\n

    \n
  1. \n\u5f3a\u5f15\u7528\uff08Strong Reference\uff09\uff1a<\/strong><\/p>\n
      \n
    • \u5f3a\u5f15\u7528\u662f\u6700\u666e\u901a\u7684\u5f15\u7528\u7c7b\u578b\uff0c\u5982\u679c\u4e00\u4e2a\u5bf9\u8c61\u6709\u5f3a\u5f15\u7528\u5173\u8054\uff0c\u90a3\u4e48\u5b83\u5c31\u4e0d\u4f1a\u88ab\u5783\u573e\u56de\u6536\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \n\u8f6f\u5f15\u7528\uff08Soft Reference\uff09\uff1a<\/strong><\/p>\n
        \n
      • \u8f6f\u5f15\u7528\u8868\u793a\u4e00\u4e9b\u8fd8\u6709\u7528\u4f46\u5e76\u975e\u5fc5\u9700\u7684\u5bf9\u8c61\u3002\u5f53\u7cfb\u7edf\u5185\u5b58\u4e0d\u8db3\u65f6\uff0c\u5783\u573e\u56de\u6536\u5668\u4f1a\u5c1d\u8bd5\u56de\u6536\u8f6f\u5f15\u7528\u5173\u8054\u7684\u5bf9\u8c61\u3002\u8f6f\u5f15\u7528\u901a\u5e38\u7528\u4e8e\u5b9e\u73b0\u7f13\u5b58\u7b56\u7565\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \n\u5f31\u5f15\u7528\uff08Weak Reference\uff09\uff1a<\/strong><\/p>\n
          \n
        • \u5f31\u5f15\u7528\u5173\u8054\u7684\u5bf9\u8c61\u66f4\u5bb9\u6613\u88ab\u5783\u573e\u56de\u6536\u5668\u56de\u6536\u3002\u5f53\u5783\u573e\u56de\u6536\u5668\u8fd0\u884c\u65f6\uff0c\u65e0\u8bba\u5185\u5b58\u662f\u5426\u5145\u8db3\uff0c\u90fd\u53ef\u80fd\u56de\u6536\u5f31\u5f15\u7528\u5173\u8054\u7684\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n<\/li>\n
        • \n\u865a\u5f15\u7528\uff08Phantom Reference\uff09\uff1a<\/strong><\/p>\n
            \n
          • \u865a\u5f15\u7528\u662f\u6700\u5f31\u7684\u5f15\u7528\u7c7b\u578b\uff0c\u51e0\u4e4e\u6ca1\u6709\u76f4\u63a5\u7684\u8bbf\u95ee\u4ef7\u503c\u3002\u865a\u5f15\u7528\u5173\u8054\u7684\u5bf9\u8c61\u5728\u4efb\u4f55\u65f6\u5019\u90fd\u53ef\u80fd\u88ab\u5783\u573e\u56de\u6536\u3002\u865a\u5f15\u7528\u4e3b\u8981\u7528\u4e8e\u8ddf\u8e2a\u5bf9\u8c61\u88ab\u56de\u6536\u7684\u60c5\u51b5\uff0c\u5b83\u5fc5\u987b\u4e0e\u5f15\u7528\u961f\u5217\uff08ReferenceQueue\uff09\u4e00\u8d77\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

            Reference Chain \u4e2d\u7684\u5bf9\u8c61\uff0c\u5982\u679c\u53ea\u6709\u8f6f\u5f15\u7528\u3001\u5f31\u5f15\u7528\u6216\u865a\u5f15\u7528\u5173\u8054\uff0c\u800c\u6ca1\u6709\u5f3a\u5f15\u7528\u5173\u8054\uff0c\u90a3\u4e48\u5728\u5783\u573e\u56de\u6536\u65f6\uff0c\u8fd9\u4e9b\u5bf9\u8c61\u53ef\u80fd\u4f1a\u88ab\u56de\u6536\u3002\u5f15\u7528\u94fe\u7684\u5b58\u5728\u5e76\u4e0d\u610f\u5473\u7740\u5bf9\u8c61\u4e00\u5b9a\u4f1a\u5b58\u6d3b\uff0c\u800c\u662f\u5783\u573e\u56de\u6536\u5668\u5224\u65ad\u5bf9\u8c61\u662f\u5426\u5b58\u6d3b\u7684\u4f9d\u636e\u4e4b\u4e00\u3002\u5bf9\u8c61\u662f\u5426\u5b58\u6d3b\u8fd8\u53d6\u51b3\u4e8e\u5176\u662f\u5426\u6709\u5176\u4ed6\u5f3a\u5f15\u7528\u5173\u8054\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

            \u4e0d\u4e00\u5b9a\u3002\u5728Java\u865a\u62df\u673a\u4e2d\uff0cReference Chain\uff08\u5f15\u7528\u94fe\uff09\u662f\u6307\u4e00\u7cfb\u5217\u76f8\u4e92\u5173\u8054\u7684\u5f15\u7528\uff0c\u8fde\u63a5\u4e86\u4e00\u7ec4\u5bf9\u8c61\u3002 […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[119],"tags":[],"class_list":["post-11284","post","type-post","status-publish","format-standard","hentry","category-jvm"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11284","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\/9"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=11284"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11284\/revisions"}],"predecessor-version":[{"id":16984,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11284\/revisions\/16984"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=11284"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=11284"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=11284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}