{"id":10294,"date":"2023-11-28T21:31:47","date_gmt":"2023-11-28T13:31:47","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=10294"},"modified":"2023-12-07T11:12:20","modified_gmt":"2023-12-07T03:12:20","slug":"jvm-zhong-lei-de-shi-li-hua-shun-xu","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/jvm-zhong-lei-de-shi-li-hua-shun-xu\/","title":{"rendered":"JVM\u4e2d\u7c7b\u7684\u5b9e\u4f8b\u5316\u987a\u5e8f\uff1f"},"content":{"rendered":"

\u5728Java\u4e2d\uff0c\u7c7b\u7684\u5b9e\u4f8b\u5316\u987a\u5e8f\u9075\u5faa\u4e00\u5b9a\u7684\u89c4\u5219\uff0c\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a<\/p>\n

    \n
  1. \n\u52a0\u8f7d\u7c7b\uff1a<\/strong> \u7c7b\u7684\u52a0\u8f7d\u662f\u6307\u5c06\u7c7b\u7684\u5b57\u8282\u7801\u6587\u4ef6\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\uff0c\u5e76\u521b\u5efa\u4e00\u4e2a\u5bf9\u5e94\u7684Class<\/code>\u5bf9\u8c61\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u7531\u7c7b\u52a0\u8f7d\u5668\u5b8c\u6210\u3002\u5728\u52a0\u8f7d\u9636\u6bb5\uff0c\u9759\u6001\u6210\u5458\uff08\u9759\u6001\u53d8\u91cf\u548c\u9759\u6001\u4ee3\u7801\u5757\uff09\u4f1a\u88ab\u52a0\u8f7d\u548c\u6267\u884c\uff0c\u4e14\u53ea\u6267\u884c\u4e00\u6b21\u3002\n<\/li>\n
  2. \n\u521b\u5efa\u5bf9\u8c61\u5b9e\u4f8b\uff1a<\/strong> \u5f53\u4f7f\u7528new<\/code>\u5173\u952e\u5b57\u521b\u5efa\u7c7b\u7684\u5bf9\u8c61\u5b9e\u4f8b\u65f6\uff0c\u4f1a\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n
      \n
    • \u5206\u914d\u5185\u5b58\u7a7a\u95f4\uff1a\u4e3a\u5bf9\u8c61\u5728\u5806\u5185\u5b58\u4e2d\u5206\u914d\u4e00\u5757\u5185\u5b58\u7a7a\u95f4\u3002<\/li>\n
    • \u521d\u59cb\u5316\u5bf9\u8c61\uff1a\u5bf9\u5bf9\u8c61\u7684\u5b9e\u4f8b\u53d8\u91cf\u8fdb\u884c\u9ed8\u8ba4\u521d\u59cb\u5316\uff0c\u5373\u7ed9\u6210\u5458\u53d8\u91cf\u8d4b\u4e88\u9ed8\u8ba4\u503c\uff08\u96f6\u503c\uff09\u3002<\/li>\n
    • \u6267\u884c\u6784\u9020\u65b9\u6cd5\uff1a\u6839\u636e\u6784\u9020\u65b9\u6cd5\u7684\u53c2\u6570\uff0c\u6267\u884c\u6784\u9020\u65b9\u6cd5\u4e2d\u7684\u4ee3\u7801\uff0c\u5bf9\u5bf9\u8c61\u8fdb\u884c\u521d\u59cb\u5316\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \n\u521d\u59cb\u5316\u5b9e\u4f8b\u53d8\u91cf\u548c\u4ee3\u7801\u5757\uff1a<\/strong> \u5728\u5bf9\u8c61\u521b\u5efa\u540e\uff0c\u4f1a\u6267\u884c\u5b9e\u4f8b\u53d8\u91cf\u7684\u521d\u59cb\u5316\u548c\u5b9e\u4f8b\u4ee3\u7801\u5757\u3002\u8fd9\u4e9b\u64cd\u4f5c\u5728\u6784\u9020\u65b9\u6cd5\u6267\u884c\u4e4b\u524d\u5b8c\u6210\u3002\n<\/li>\n<\/ol>\n

      \u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u8bf4\u660e\u4e86\u7c7b\u7684\u5b9e\u4f8b\u5316\u987a\u5e8f\uff1a<\/p>\n

      public class Example {\n    \/\/ \u9759\u6001\u53d8\u91cf\n    static int staticVar = 1;\n\n    \/\/ \u9759\u6001\u4ee3\u7801\u5757\n    static {\n        System.out.println("Static block: " + staticVar);\n    }\n\n    \/\/ \u5b9e\u4f8b\u53d8\u91cf\n    int instanceVar = 2;\n\n    \/\/ \u5b9e\u4f8b\u4ee3\u7801\u5757\n    {\n        System.out.println("Instance block: " + instanceVar);\n    }\n\n    \/\/ \u6784\u9020\u65b9\u6cd5\n    public Example() {\n        System.out.println("Constructor: " + instanceVar);\n    }\n\n    public static void main(String[] args) {\n        new Example();\n    }\n}\n<\/code><\/pre>\n
      \u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n
      Static block: 1\nInstance block: 2\nConstructor: 2\n<\/code><\/pre>\n
      \u603b\u4f53\u800c\u8a00\uff0c\u7c7b\u7684\u5b9e\u4f8b\u5316\u987a\u5e8f\u53ef\u4ee5\u603b\u7ed3\u4e3a\uff1a\u9759\u6001\u6210\u5458\uff08\u9759\u6001\u53d8\u91cf\u548c\u9759\u6001\u4ee3\u7801\u5757\uff09 -> \u5b9e\u4f8b\u53d8\u91cf\u548c\u5b9e\u4f8b\u4ee3\u7801\u5757 -> \u6784\u9020\u65b9\u6cd5\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u9759\u6001\u6210\u5458\u53ea\u5728\u7c7b\u52a0\u8f7d\u65f6\u6267\u884c\u4e00\u6b21\uff0c\u800c\u5b9e\u4f8b\u53d8\u91cf\u548c\u5b9e\u4f8b\u4ee3\u7801\u5757\u5728\u6bcf\u6b21\u5bf9\u8c61\u5b9e\u4f8b\u5316\u65f6\u90fd\u4f1a\u6267\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u5728Java\u4e2d\uff0c\u7c7b\u7684\u5b9e\u4f8b\u5316\u987a\u5e8f\u9075\u5faa\u4e00\u5b9a\u7684\u89c4\u5219\uff0c\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a \u52a0\u8f7d\u7c7b\uff1a \u7c7b\u7684\u52a0\u8f7d\u662f\u6307\u5c06\u7c7b\u7684\u5b57\u8282\u7801\u6587\u4ef6\u52a0\u8f7d […]<\/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-10294","post","type-post","status-publish","format-standard","hentry","category-jvm"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10294","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=10294"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10294\/revisions"}],"predecessor-version":[{"id":16819,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/10294\/revisions\/16819"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=10294"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=10294"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=10294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}