{"id":136971,"date":"2020-07-21T16:43:57","date_gmt":"2020-07-21T08:43:57","guid":{"rendered":"http:\/\/4563.org\/?p=136971"},"modified":"2020-07-21T16:43:57","modified_gmt":"2020-07-21T08:43:57","slug":"%e5%85%b3%e4%ba%8e%e5%9e%83%e5%9c%be%e5%9b%9e%e6%94%b6%e4%b8%ad%e7%9a%84-roots-%e5%af%b9%e8%b1%a1","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=136971","title":{"rendered":"\u5173\u4e8e\u5783\u573e\u56de\u6536\u4e2d\u7684 Roots \u5bf9\u8c61"},"content":{"rendered":"
\n
\n
\n

\u5173\u4e8e\u5783\u573e\u56de\u6536\u4e2d\u7684 Roots \u5bf9\u8c61 <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : bear2000 <\/span> <\/i> 6<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u6700\u8fd1\u8bfb\u4e86\u300a\u6df1\u5165\u7406\u89e3 Java \u865a\u62df\u673a\u300b\u8fd9\u672c\u4e66\uff0c\u4e66\u4e2d\u8bf4\u660e\u4e86\u5728\u5783\u573e\u56de\u6536\u65f6\uff0c\u56fa\u5b9a\u53ef\u4ee5\u5f53\u505a Roots \u7684\u5bf9\u8c61\uff0c\u5305\u542b\u4ee5\u4e0b\u51e0\u79cd\uff1a<\/p>\n

    \n
  1. \u865a\u62df\u673a\u6808\uff08\u6808\u5e27\u4e2d\u7684\u672c\u5730\u53d8\u91cf\uff09\u4e2d\u5f15\u7528\u7684\u5bf9\u8c61\u3002<\/li>\n
  2. \u65b9\u6cd5\u533a\u4e2d\u7c7b\u9759\u6001\u5c5e\u6027\u5f15\u7528\u7684\u5bf9\u8c61\uff0c\u6bd4\u5982 Java \u7c7b\u7684\u5f15\u7528\u7c7b\u578b\u9759\u6001\u53d8\u91cf\u3002<\/li>\n
  3. \u65b9\u6cd5\u533a\u4e2d\u5e38\u91cf\u5f15\u7528\u7684\u5bf9\u8c61\uff0c\u6bd4\u5982\u5b57\u7b26\u4e32\u5e38\u91cf\u91cc\u7684\u5f15\u7528\u3002<\/li>\n
  4. \u88ab\u540c\u6b65\u9501\uff08 synchronized \uff09\u6301\u6709\u7684\u5bf9\u8c61\u3002<\/li>\n
  5. ……<\/li>\n<\/ol>\n

    \u4e66\u4e2d\u6ca1\u6709\u8bf4\u660e\u4e3a\u4ec0\u4e48\u8fd9\u4e9b\u5bf9\u8c61\u53ef\u4ee5\u5f53\u505a Roots\uff0c\u4f5c\u4e3a\u53ef\u8fbe\u6027\u7b97\u6cd5\u7684\u8d77\u59cb\u8282\u70b9\u3002\u7531\u4e8e\u9762\u8bd5\u65f6\u88ab\u95ee\u5230\u4e14\u6ca1\u6709\u7b54\u4e0a\u6765\uff0c\u6240\u4ee5\u5f88\u60f3\u77e5\u9053\u3002\u8bf7\u6559 V \u53cb\uff0c\u6c42\u89e3\u7b54\u3002<\/p>\n<\/p><\/div>\n

    \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (8<\/span>) <\/div>\n
    <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
      \n
    • \n
      \n
      \n
      \u8cc7\u6df1\u5927\u4f6c : Dsljlbaby <\/span> <\/div>\n
      <\/i> <\/span> <\/div>\n<\/p><\/div>\n
      \u9996\u5148\uff0cJava \u5185\u5b58\u7a7a\u95f4\u88ab\u5206\u6210\u90a3\u51e0\u5757\uff1f\u4f60\u5e94\u8be5\u77e5\u9053 Java \u5185\u5b58\u7a7a\u95f4\u88ab\u5206\u4e3a\u4e86\u7a0b\u5e8f\u8ba1\u6570\u5668\u3001\u672c\u5730\u65b9\u6cd5\u6808\u3001Java \u865a\u62df\u673a\u6808\u3001\u5806\u3001\u65b9\u6cd5\u533a\u8fd9\u4e9b\u5427\u3002\u5176\u6b21\uff0c\u6bd4\u5982 Java \u865a\u62df\u673a\u6808\u4e2d\u90fd\u4f1a\u5b58\u50a8\u4ec0\u4e48\uff1f\u4f60\u5e94\u8be5\u77e5\u9053\u5427\uff0c\u5c40\u90e8\u53d8\u91cf\u8868\u4e3b\u8981\u5b58\u50a8\u7f16\u8bd1\u671f\u53ef\u77e5\u7684\u5404\u79cd\u57fa\u672c\u6570\u636e\u7c7b\u578b\uff08 boolean \u3001byte \u3001char \u3001short \u3001int \u3001float \u3001long \u3001double \uff09\u548c\u5bf9\u8c61\u5f15\u7528\uff08 reference \u7c7b\u578b\uff0c\u5b83\u4e0d\u7b49\u540c\u4e8e\u5bf9\u8c61\u672c\u8eab\uff0c\u6839\u636e\u4e0d\u540c\u7684\u865a\u62df\u673a\u5b9e\u73b0\uff0c\u5b83\u53ef\u80fd\u662f\u4e00\u4e2a\u6307\u5411\u5bf9\u8c61\u8d77\u59cb\u5730\u5740\u7684\u5f15\u7528\u6307\u9488\uff0c\u4e5f\u53ef\u80fd\u6307\u5411\u4e00\u4e2a\u4ee3\u8868\u5bf9\u8c61\u7684\u53e5\u67c4\u6216\u8005\u5176\u4ed6\u4e0e\u6b64\u5bf9\u8c61\u76f8\u5173\u7684\u4f4d\u7f6e\uff09\u548c returnAddress \u7c7b\u578b\uff08\u6307\u5411\u4e86\u4e00\u6761\u5b57\u8282\u7801\u6307\u4ee4\u7684\u5730\u5740\uff09\u3002\u90a3\u4e48\u5bf9\u8c61\u5f15\u7528\u6307\u9488\u662f\u5426\u53ef\u4ee5\u6210\u4e3a Root \u5462\uff1f\u4f60\u53ef\u4ee5\u5c1d\u8bd5\u60f3\u60f3\u4e00\u4e2a\u5bf9\u8c61\u88ab\u521b\u5efa\u51fa\u6765\uff0c\u662f\u5982\u4f55\u8868\u793a\u7684\uff0c\u6bd4\u5982 Object obj = new Object()\uff0cJava \u865a\u62df\u673a\u4f1a\u5728\u5806\u5185\u5b58\u4e2d\u5206\u914d\u4e00\u5757\u5185\u5b58\u7528\u4e8e\u5b58\u50a8\u5bf9\u8c61\uff0c\u7136\u540e\u4f1a\u5728 Java \u865a\u62df\u673a\u6808\u4e2d\u5206\u914d\u4e00\u4e2a\u6808\u6862\uff0c\u5b58\u50a8\u6307\u5411\u5bf9\u8c61\u7684\u5185\u5b58\u5730\u5740\u7f16\u53f7\uff0c\u53ef\u4ee5\u753b\u56fe\u7406\u89e3\u3002obj \u5c31\u662f\u865a\u62df\u673a\u6808\uff08\u6808\u5e27\u4e2d\u7684\u672c\u5730\u53d8\u91cf\uff09\u4e2d\u5bf9\u8c61\u5f15\u7528\uff0c\u4e5f\u5c31\u53ef\u4ee5\u5f53\u4f5c\u4e00\u4e2a Root \u3002\u8fd8\u6709\u5f3a\u5f15\u7528\u3001\u5f31\u5f15\u7528\u3001\u865a\u5f15\u7528\u548c\u8f6f\u5f15\u7528\u8fd9\u4e9b\u5173\u7cfb
      \u9762\u8bd5\u65f6\u591a\u5411\u9762\u8bd5\u5b98\u5c55\u793a\u4f60\u601d\u8003\u7684\u8fc7\u7a0b\uff0c\u800c\u4e0d\u662f\u7b54\u6848\u3002\u5f53\u7136\uff0c\u8fd9\u5f97\u76ca\u4e8e\u4f60\u5e73\u65f6\u770b\u4e66\u65f6\u5bf9\u77e5\u8bc6\u7684\u7406\u89e3\u4e0e\u601d\u8003\uff0c <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
      \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : bear2000 <\/span> <\/div>\n
      <\/i> <\/span> <\/div>\n<\/p><\/div>\n
      @Dsljlbaby \u53ef\u662f\u8fd9\u8c8c\u4f3c\u53ea\u89e3\u91ca\u4e86\u7b2c\u4e00\u70b9\uff0c\u4e5f\u5c31\u662f\u865a\u62df\u673a\u6808\uff08\u6808\u5e27\u4e2d\u7684\u672c\u5730\u53d8\u91cf\uff09\u4e2d\u5f15\u7528\u7684\u5bf9\u8c61\u3002\u540e\u9762\u51e0\u79cd\u53c8\u662f\u4e3a\u4ec0\u4e48\u5462\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
      \u8cc7\u6df1\u5927\u4f6c : lazyfighter <\/span> <\/div>\n
      <\/i> <\/span> <\/div>\n<\/p><\/div>\n
      \u4f60\u56de\u6536\u4e86\u8fd9\u4e9b \uff0c\u522b\u4eba\u7528\u5565\uff0c\u4f60\u53ef\u4ee5\u60f3\u8c61\u4f60\u7684\u9759\u6001\u53d8\u91cf\uff0c\u7a81\u7136\u88ab\u865a\u62df\u673a\u6539\u53d8\u4e86\uff0c\u4f60\u7684\u6808\u5e27\u6307\u5411\u7684\u53d8\u91cf\u4e5f\u53d8\u4e86\uff0c\u8fd8\u5199\u4e2a\u5c41\u7684\u7a0b\u5e8f\uff0c\u90fd\u4e0d\u53ef\u4fe1\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
      \u8cc7\u6df1\u5927\u4f6c : wangyanrui <\/span> <\/div>\n
      <\/i> <\/span> <\/div>\n<\/p><\/div>\n
      \u63a8\u8350\u770b\u4e00\u4e0b\u7b2c\u4e09\u7248\uff0c\u8bb0\u5f97\u7b2c\u4e09\u7248\u6709\u5f88\u8be6\u7ec6\u7684\u63cf\u8ff0\u4e3a\u4ec0\u4e48\u8fd9\u4e9b\u53ef\u4ee5\u4f5c\u4e3a GC ROOTS <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
      \u8cc7\u6df1\u5927\u4f6c : hellotitan <\/span> <\/div>\n
      <\/i> <\/span> <\/div>\n<\/p><\/div>\n
      \u4e3b\u8981\u662f\u4e00\u4e9b\u4e00\u5b9a\u8ba4\u4e3a\u5728\u6b64\u65f6\u6b64\u523b\u662f\u6d3b\u7740\u7684\u5bf9\u8c61 <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
      \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : bear2000 <\/span> <\/div>\n
      <\/i> <\/span> <\/div>\n<\/p><\/div>\n
      @wangyanrui \u6211\u770b\u7684\u5c31\u662f\u7b2c\u4e09\u7248\u554a\uff0c\u6ca1\u6709\u627e\u5230\u554a\uff0c\u662f\u5728\u54ea\u4e00\u9875\u5462\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
      \u8cc7\u6df1\u5927\u4f6c : wangyanrui <\/span> <\/div>\n
      <\/i> <\/span> <\/div>\n<\/p><\/div>\n
      @bear2000 \u662f\u6211\u8bb0\u9519\u4e86\uff0c\u7ffb\u4e86\u7ffb\u7b2c\u4e09\u7248\u7684\u76ee\u5f55\u7684\u786e\u6ca1\u6709\uff0c\u8bb0\u4e0d\u6e05\u5728\u54ea\u672c\u4e66\u4e0a\u770b\u7684\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
      \u8cc7\u6df1\u5927\u4f6c : chen006 <\/span> <\/div>\n
      <\/i> <\/span> <\/div>\n<\/p><\/div>\n
      \u5783\u573e\u56de\u6536\u662f\u56de\u6536\u4e0d\u9700\u8981\u7684\u5bf9\u8c61\uff0c\u90a3\u60f3\u60f3\u54ea\u4e9b\u5bf9\u8c61\u662f\u4e00\u5b9a\u9700\u8981\u7684\u5462\uff1f\u90a3\u4e9b\u4e00\u5b9a\u9700\u8981\u7684\u5bf9\u8c61\u5f15\u7528\u7684\u5bf9\u8c61\u662f\u4e0d\u662f\u4e5f\u9700\u8981\u554a <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n","protected":false},"excerpt":{"rendered":"

      \u5173\u4e8e\u5783\u573e\u56de\u6536\u4e2d\u7684 Roots \u5bf9\u8c61…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/136971"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=136971"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/136971\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=136971"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=136971"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=136971"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}