{"id":38086,"date":"2024-11-26T14:07:30","date_gmt":"2024-11-26T06:07:30","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38086\/"},"modified":"2024-11-26T14:07:30","modified_gmt":"2024-11-26T06:07:30","slug":"java%e6%80%8e%e4%b9%88%e5%be%aa%e7%8e%af%e9%81%8d%e5%8e%86%e4%b8%80%e7%bb%b4%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38086\/","title":{"rendered":"java\u600e\u4e48\u5faa\u73af\u904d\u5386\u4e00\u7ef4\u6570\u7ec4"},"content":{"rendered":"

\n java \u4e2d\u904d\u5386\u4e00\u7ef4\u6570\u7ec4\u7684\u65b9\u6cd5\uff1a1. for \u5faa\u73af\uff1a\u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u901a\u8fc7\u5faa\u73af\u53d8\u91cf\u8bbf\u95ee\u5143\u7d20\uff1b2. \u589e\u5f3a for \u5faa\u73af\uff1a\u4f7f\u7528\u66f4\u7b80\u4fbf\u7684 for-each \u8bed\u6cd5\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u81ea\u52a8\u5c06\u5143\u7d20\u8d4b\u503c\u7ed9\u53d8\u91cf\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u5faa\u73af\u904d\u5386\u4e00\u7ef4\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

Java \u4e2d\u5982\u4f55\u5faa\u73af\u904d\u5386\u4e00\u7ef4\u6570\u7ec4<\/strong><\/p>\n

\u5f00\u95e8\u89c1\u5c71\uff1a<\/strong><\/p>\n

Java \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 for \u5faa\u73af\u6216\u589e\u5f3a for \u5faa\u73af\u6765\u904d\u5386\u4e00\u7ef4\u6570\u7ec4\u3002<\/p>\n

\u8be6\u7ec6\u9610\u8ff0\uff1a<\/strong><\/p>\n

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

\u4f7f\u7528 for \u5faa\u73af\uff1a<\/strong><\/p>\n

int[] arr = {1, 2, 3, 4, 5};\n\nfor (int i = 0; i < arr.length; i++) {\n    System.out.println(arr[i]); \/\/ \u6253\u5370\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff1a<\/p>\n
    \n
  • int[] arr = {1, 2, 3, 4, 5}; \u521d\u59cb\u5316\u4e86\u4e00\u4e2a int \u578b\u4e00\u7ef4\u6570\u7ec4\u3002<\/li>\n
  • \n
    for (int i = 0; i <\/p>\n
      \n
    • i \u662f\u5faa\u73af\u53d8\u91cf\uff0c\u4ece 0 \u5f00\u59cb\u3002<\/li>\n
    • arr.length \u662f\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u5b83\u8868\u793a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002<\/li>\n
    • i <\/li>\n<\/ul>\n<\/li>\n
    • System.out.println(arr[i]); \u5728\u6bcf\u6b21\u8fed\u4ee3\u4e2d\u6253\u5370\u6570\u7ec4\u4e2d\u5f53\u524d\u5143\u7d20\u3002<\/li>\n<\/ul>\n
      \u4f7f\u7528\u589e\u5f3a for \u5faa\u73af\uff1a<\/strong><\/p>\n
      \u589e\u5f3a for \u5faa\u73af\u63d0\u4f9b\u4e86\u4e00\u79cd\u66f4\u7b80\u4fbf\u7684\u65b9\u6cd5\u6765\u904d\u5386\u6570\u7ec4\uff0c\u5b83\u4f7f\u7528 for-each \u8bed\u6cd5\uff1a<\/p>\n
      int[] arr = {1, 2, 3, 4, 5};\n\nfor (int element : arr) {\n    System.out.println(element); \/\/ \u6253\u5370\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\n}<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff1a<\/p>\n
        \n
      • int element : arr \u662f for-each \u5faa\u73af\u7684\u8bed\u6cd5\uff0c\u5b83\u8868\u793a\u5faa\u73af\u5c06\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u5e76\u5c06\u5176\u8d4b\u503c\u7ed9\u53d8\u91cf element\u3002<\/li>\n
      • System.out.println(element); \u5728\u6bcf\u6b21\u8fed\u4ee3\u4e2d\u6253\u5370\u6570\u7ec4\u4e2d\u5f53\u524d\u5143\u7d20\u3002<\/li>\n<\/ul>\n
        \u7ed3\u8bba\uff1a<\/strong><\/p>\n
        \u4f7f\u7528 for \u5faa\u73af\u6216\u589e\u5f3a for \u5faa\u73af\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u5728 Java \u4e2d\u904d\u5386\u4e00\u7ef4\u6570\u7ec4\u5e76\u8bbf\u95ee\u5176\u4e2d\u7684\u5143\u7d20\u3002\u8fd9\u5bf9\u4e8e\u5728\u6570\u7ec4\u4e0a\u6267\u884c\u5404\u79cd\u64cd\u4f5c\uff08\u4f8b\u5982\u6253\u5370\u3001\u6c42\u548c\u6216\u6392\u5e8f\uff09\u975e\u5e38\u6709\u7528\u3002<\/p>\n
        \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5faa\u73af\u904d\u5386\u4e00\u7ef4\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
        java \u4e2d\u904d\u5386\u4e00\u7ef4\u6570\u7ec4\u7684\u65b9\u6cd5\uff1a1. for \u5faa\u73af\uff1a\u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u901a\u8fc7\u5faa\u73af\u53d8\u91cf\u8bbf\u95ee\u5143\u7d20\uff1b2. \u589e\u5f3a for \u5faa\u73af\uff1a\u4f7f\u7528\u66f4\u7b80\u4fbf\u7684 for-each \u8bed\u6cd5\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u81ea\u52a8\u5c06\u5143\u7d20\u8d4b\u503c\u7ed9\u53d8\u91cf\u3002 Java \u4e2d\u5982\u4f55\u5faa\u73af\u904d\u5386\u4e00\u7ef4\u6570\u7ec4 \u5f00\u95e8\u89c1\u5c71\uff1a Java \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 for \u5faa\u73af\u6216\u589e\u5f3a for \u5faa\u73af\u6765\u904d\u5386\u4e00\u7ef4\u6570\u7ec4\u3002 \u8be6\u7ec6\u9610\u8ff0\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4f7f\u7528 for \u5faa\u73af\uff1a int[] arr = {1, 2, 3, 4, 5}; for (int i = 0; i < arr.length; i++) { System.out.println(arr[i]); \/\/ \u6253\u5370\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20 } \u767b\u5f55\u540e\u590d\u5236 \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff1a int[] arr = {1, 2, 3, […]<\/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-38086","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38086","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=38086"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38086\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38086"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38086"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38086"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}