{"id":10340,"date":"2023-11-28T21:32:44","date_gmt":"2023-11-28T13:32:44","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=10340"},"modified":"2023-12-07T11:16:38","modified_gmt":"2023-12-07T03:16:38","slug":"java-zhong-hui-cun-zai-nei-cun-xie-lou","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/java-zhong-hui-cun-zai-nei-cun-xie-lou\/","title":{"rendered":"Java\u4e2d\u4f1a\u5b58\u5728\u5185\u5b58\u6cc4\u6f0f\uff1f"},"content":{"rendered":"

\u662f\u7684\uff0cJava\u7a0b\u5e8f\u4e2d\u540c\u6837\u53ef\u80fd\u5b58\u5728\u5185\u5b58\u6cc4\u6f0f\u3002\u5185\u5b58\u6cc4\u6f0f\u662f\u6307\u7a0b\u5e8f\u4e2d\u7684\u5bf9\u8c61\u5728\u4e0d\u518d\u4f7f\u7528\u540e\uff0c\u4ecd\u7136\u88ab\u4fdd\u7559\u5728\u5185\u5b58\u4e2d\u800c\u65e0\u6cd5\u88ab\u5783\u573e\u56de\u6536\u673a\u5236\u91ca\u653e\uff0c\u5bfc\u81f4\u7a0b\u5e8f\u5360\u7528\u7684\u5185\u5b58\u9010\u6e10\u589e\u52a0\uff0c\u6700\u7ec8\u53ef\u80fd\u5bfc\u81f4\u5185\u5b58\u6ea2\u51fa\u3002<\/p>\n

\u4ee5\u4e0b\u662f\u4e00\u4e9b\u53ef\u80fd\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\u7684\u60c5\u51b5\uff1a<\/p>\n

    \n
  1. \n\u5bf9\u8c61\u5f15\u7528\u672a\u88ab\u6b63\u786e\u91ca\u653e\uff1a<\/strong> \u5982\u679c\u7a0b\u5e8f\u4e2d\u7684\u5bf9\u8c61\u5f15\u7528\u6ca1\u6709\u88ab\u6b63\u786e\u91ca\u653e\uff0c\u5373\u4f7f\u4e0d\u518d\u4f7f\u7528\uff0c\u5783\u573e\u56de\u6536\u5668\u4e5f\u65e0\u6cd5\u56de\u6536\u8fd9\u4e9b\u5bf9\u8c61\u3002<\/p>\n
    public class MemoryLeakExample {\n    private static List<Object> list = new ArrayList<>();\n\n    public static void main(String[] args) {\n        for (int i = 0; i < 1000; i++) {\n            Object obj = new Object();\n            list.add(obj);\n        }\n\n        \/\/ \u5728\u8fd9\u91cclist\u4ecd\u7136\u4fdd\u6301\u5bf9\u6240\u6709Object\u7684\u5f15\u7528\uff0c\u5bfc\u81f4\u8fd9\u4e9b\u5bf9\u8c61\u65e0\u6cd5\u88ab\u5783\u573e\u56de\u6536\n    }\n}\n<\/code><\/pre>\n<\/li>\n
  2. \n\u672a\u5173\u95ed\u8d44\u6e90\uff1a<\/strong> \u5728\u4f7f\u7528\u4e00\u4e9b\u9700\u8981\u624b\u52a8\u5173\u95ed\u7684\u8d44\u6e90\uff08\u5982\u6587\u4ef6\u3001\u6570\u636e\u5e93\u8fde\u63a5\u3001\u7f51\u7edc\u8fde\u63a5\uff09\u65f6\uff0c\u5982\u679c\u7a0b\u5e8f\u6ca1\u6709\u6b63\u786e\u5730\u5173\u95ed\u8fd9\u4e9b\u8d44\u6e90\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\u3002<\/p>\n
    public class ResourceLeakExample {\n    public static void main(String[] args) {\n        FileInputStream fis = null;\n        try {\n            fis = new FileInputStream("example.txt");\n            \/\/ \u5904\u7406\u6587\u4ef6\u6d41...\n\n            \/\/ \u6ca1\u6709\u6b63\u786e\u5173\u95ed\u6587\u4ef6\u6d41\n        } catch (FileNotFoundException e) {\n            e.printStackTrace();\n        } finally {\n            \/\/ \u6ce8\u610f\uff1a\u8fd9\u91cc\u5e94\u8be5\u6dfb\u52a0\u5173\u95ed\u8d44\u6e90\u7684\u4ee3\u7801\uff0c\u5426\u5219\u53ef\u80fd\u5bfc\u81f4\u8d44\u6e90\u6cc4\u6f0f\n        }\n    }\n}\n<\/code><\/pre>\n<\/li>\n
  3. \n\u76d1\u542c\u5668\u672a\u88ab\u6b63\u786e\u79fb\u9664\uff1a<\/strong> \u5728\u4f7f\u7528\u76d1\u542c\u5668\u65f6\uff0c\u5982\u679c\u6ce8\u518c\u7684\u76d1\u542c\u5668\u6ca1\u6709\u88ab\u6b63\u786e\u5730\u79fb\u9664\uff0c\u53ef\u80fd\u5bfc\u81f4\u76d1\u542c\u5668\u5bf9\u8c61\u4e00\u76f4\u88ab\u5f15\u7528\uff0c\u65e0\u6cd5\u88ab\u5783\u573e\u56de\u6536\u3002<\/p>\n
    public class ListenerLeakExample {\n    public static void main(String[] args) {\n        Button button = new Button();\n\n        \/\/ \u6ce8\u518c\u76d1\u542c\u5668\n        button.addActionListener(new ActionListener() {\n            @Override\n            public void actionPerformed(ActionEvent e) {\n                \/\/ \u5904\u7406\u4e8b\u4ef6...\n            }\n        });\n\n        \/\/ \u4e0d\u6b63\u786e\u7684\u79fb\u9664\u76d1\u542c\u5668\uff0c\u5bfc\u81f4\u76d1\u542c\u5668\u5bf9\u8c61\u65e0\u6cd5\u88ab\u5783\u573e\u56de\u6536\n        \/\/ button.removeActionListener(listener);\n    }\n}\n<\/code><\/pre>\n<\/li>\n<\/ol>\n
    \u9884\u9632\u5185\u5b58\u6cc4\u6f0f\u7684\u5173\u952e\u662f\u5728\u7a0b\u5e8f\u8bbe\u8ba1\u548c\u7f16\u7801\u8fc7\u7a0b\u4e2d\uff0c\u53ca\u65f6\u91ca\u653e\u4e0d\u518d\u4f7f\u7528\u7684\u8d44\u6e90\uff0c\u6b63\u786e\u5904\u7406\u5bf9\u8c61\u5f15\u7528\u5173\u7cfb\u3002\u4f7f\u7528\u5de5\u5177\u5982\u5185\u5b58\u5206\u6790\u5de5\u5177\uff08Memory Analyzer\u7b49\uff09\u53ef\u4ee5\u5e2e\u52a9\u68c0\u6d4b\u548c\u89e3\u51b3\u5185\u5b58\u6cc4\u6f0f\u95ee\u9898\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u662f\u7684\uff0cJava\u7a0b\u5e8f\u4e2d\u540c\u6837\u53ef\u80fd\u5b58\u5728\u5185\u5b58\u6cc4\u6f0f\u3002\u5185\u5b58\u6cc4\u6f0f\u662f\u6307\u7a0b\u5e8f\u4e2d\u7684\u5bf9\u8c61\u5728\u4e0d\u518d\u4f7f\u7528\u540e\uff0c\u4ecd\u7136\u88ab\u4fdd\u7559\u5728\u5185\u5b58\u4e2d\u800c\u65e0\u6cd5\u88ab\u5783\u573e […]<\/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-10340","post","type-post","status-publish","format-standard","hentry","category-jvm"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10340","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=10340"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10340\/revisions"}],"predecessor-version":[{"id":16825,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10340\/revisions\/16825"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=10340"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=10340"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=10340"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}