{"id":66256,"date":"2025-05-03T16:54:36","date_gmt":"2025-05-03T08:54:36","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66256\/"},"modified":"2025-05-03T16:54:36","modified_gmt":"2025-05-03T08:54:36","slug":"java%e8%99%9a%e7%b1%bb%e4%b8%ad%e7%9a%84%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e8%be%93%e5%87%ba-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66256\/","title":{"rendered":"java\u865a\u7c7b\u4e2d\u7684\u6570\u7ec4\u600e\u4e48\u8f93\u51fa"},"content":{"rendered":"

\n \u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\uff0c\u53ef\u4ee5\u5728 java \u4e2d\u8f93\u51fa\u865a\u7c7b\u4e2d\u7684\u6570\u7ec4\uff1a\u5b9a\u4e49\u865a\u7c7b\u548c\u6570\u7ec4\u6210\u5458\u53d8\u91cf\u3002\u5728\u6d3e\u751f\u7c7b\u4e2d\u8986\u76d6\u865a\u51fd\u6570\u3002\u521b\u5efa\u6d3e\u751f\u7c7b\u5bf9\u8c61\u5e76\u8c03\u7528\u865a\u51fd\u6570\u3002\n<\/p><\/blockquote>\n

\"java\u865a\u7c7b\u4e2d\u7684\u6570\u7ec4\u600e\u4e48\u8f93\u51fa\u63d2\u56fe\"<\/p>\n

Java \u865a\u7c7b\u4e2d\u7684\u6570\u7ec4\u5982\u4f55\u8f93\u51fa<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u865a\u7c7b\u662f\u4e00\u79cd\u7236\u7c7b\uff0c\u5176\u4e2d\u81f3\u5c11\u5305\u542b\u4e00\u4e2a\u865a\u51fd\u6570\u3002\u865a\u51fd\u6570\u662f\u53ef\u4ee5\u5728\u6d3e\u751f\u7c7b\u4e2d\u88ab\u8986\u76d6\u7684\u51fd\u6570\u3002\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u7684\u4e00\u7ec4\u5143\u7d20\u3002<\/p>\n

\u8f93\u51fa\u865a\u7c7b\u4e2d\u7684\u6570\u7ec4<\/strong><\/p>\n

\u8981\u8f93\u51fa\u865a\u7c7b\u4e2d\u7684\u6570\u7ec4\uff0c\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n

\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

    \n
  1. \u5b9a\u4e49\u865a\u7c7b\u548c\u6570\u7ec4\u6210\u5458\u53d8\u91cf<\/strong><\/li>\n<\/ol>\n

    \u4f8b\u5982\uff1a<\/p>\n

    class Base {\n    protected int[] arr;\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \n
    1. \u5728\u6d3e\u751f\u7c7b\u4e2d\u8986\u76d6\u865a\u51fd\u6570<\/strong><\/li>\n<\/ol>\n
      \u4f8b\u5982\uff1a<\/p>\n
      class Derived extends Base {\n    @Override\n    public void printArray() {\n        \/\/ \u8f93\u51fa\u6570\u7ec4\u5143\u7d20\n        for (int i : arr) {\n            System.out.print(i + \" \");\n        }\n    }\n}<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
        \n
      1. \u521b\u5efa\u6d3e\u751f\u7c7b\u5bf9\u8c61\u5e76\u8c03\u7528\u865a\u51fd\u6570<\/strong><\/li>\n<\/ol>\n
        \u4f8b\u5982\uff1a<\/p>\n
        Derived derived = new Derived();\nderived.printArray();<\/pre>\n
         \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
        \u901a\u8fc7\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u53ef\u4ee5\u6210\u529f\u8f93\u51fa\u865a\u7c7b\u4e2d\u6570\u7ec4\u7684\u5185\u5bb9\u3002\u6ce8\u610f\uff0c\u9700\u8981\u5728\u6d3e\u751f\u7c7b\u4e2d\u8986\u76d6\u865a\u51fd\u6570\uff0c\u4ee5\u4fbf\u80fd\u591f\u8c03\u7528\u6d3e\u751f\u7c7b\u7684\u7279\u5b9a\u5b9e\u73b0\uff0c\u4ece\u800c\u8bbf\u95ee\u548c\u8f93\u51fa\u6570\u7ec4\u5143\u7d20\u3002<\/p>\n
        \u4ee5\u4e0a\u5c31\u662fjava\u865a\u7c7b\u4e2d\u7684\u6570\u7ec4\u600e\u4e48\u8f93\u51fa\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
        \u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\uff0c\u53ef\u4ee5\u5728 java \u4e2d\u8f93\u51fa\u865a\u7c7b\u4e2d\u7684\u6570\u7ec4\uff1a\u5b9a\u4e49\u865a\u7c7b\u548c\u6570\u7ec4\u6210\u5458\u53d8\u91cf\u3002\u5728\u6d3e\u751f\u7c7b\u4e2d\u8986\u76d6\u865a\u51fd\u6570\u3002\u521b\u5efa\u6d3e\u751f\u7c7b\u5bf9\u8c61\u5e76\u8c03\u7528\u865a\u51fd\u6570\u3002 Java \u865a\u7c7b\u4e2d\u7684\u6570\u7ec4\u5982\u4f55\u8f93\u51fa \u5728 Java \u4e2d\uff0c\u865a\u7c7b\u662f\u4e00\u79cd\u7236\u7c7b\uff0c\u5176\u4e2d\u81f3\u5c11\u5305\u542b\u4e00\u4e2a\u865a\u51fd\u6570\u3002\u865a\u51fd\u6570\u662f\u53ef\u4ee5\u5728\u6d3e\u751f\u7c7b\u4e2d\u88ab\u8986\u76d6\u7684\u51fd\u6570\u3002\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u7684\u4e00\u7ec4\u5143\u7d20\u3002 \u8f93\u51fa\u865a\u7c7b\u4e2d\u7684\u6570\u7ec4 \u8981\u8f93\u51fa\u865a\u7c7b\u4e2d\u7684\u6570\u7ec4\uff0c\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u5b9a\u4e49\u865a\u7c7b\u548c\u6570\u7ec4\u6210\u5458\u53d8\u91cf \u4f8b\u5982\uff1a class Base { protected int[] arr; } \u767b\u5f55\u540e\u590d\u5236 \u5728\u6d3e\u751f\u7c7b\u4e2d\u8986\u76d6\u865a\u51fd\u6570 \u4f8b\u5982\uff1a class Derived extends Base { @Override public void printArray() { \/\/ \u8f93\u51fa\u6570\u7ec4\u5143\u7d20 for (int i : arr) { System.out.print(i + ” “); } } } \u767b\u5f55\u540e\u590d\u5236 \u521b\u5efa\u6d3e\u751f\u7c7b\u5bf9\u8c61\u5e76\u8c03\u7528\u865a\u51fd\u6570 \u4f8b\u5982\uff1a Derived derived = new […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-66256","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66256","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=66256"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66256\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}