{"id":66605,"date":"2025-05-03T16:16:54","date_gmt":"2025-05-03T08:16:54","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66605\/"},"modified":"2025-05-03T16:16:54","modified_gmt":"2025-05-03T08:16:54","slug":"java%e5%a6%82%e4%bd%95%e9%81%8d%e5%8e%86%e6%95%b0%e7%bb%84%e5%b9%b6%e8%b5%8b%e5%80%bc-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66605\/","title":{"rendered":"java\u5982\u4f55\u904d\u5386\u6570\u7ec4\u5e76\u8d4b\u503c"},"content":{"rendered":"

\n \u53ef\u4ee5\u901a\u8fc7 for \u6216 for-each \u5faa\u73af\u904d\u5386\u6570\u7ec4\u5e76\u5206\u914d\u65b0\u503c\uff0c\u4f7f\u7528\u6570\u7ec4\u5143\u7d20\u7d22\u5f15\u8bbe\u7f6e\u65b0\u503c\u3002\n<\/p><\/blockquote>\n

\"java\u5982\u4f55\u904d\u5386\u6570\u7ec4\u5e76\u8d4b\u503c\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u4f7f\u7528 Java \u904d\u5386\u6570\u7ec4\u5e76\u8d4b\u503c<\/strong><\/p>\n

\u95ee\u9898\uff1a<\/strong>\u5982\u4f55\u4f7f\u7528 Java \u904d\u5386\u6570\u7ec4\u5e76\u4e3a\u5176\u5143\u7d20\u5206\u914d\u65b0\u503c\uff1f<\/p>\n

\u7b54\u6848\uff1a<\/strong>\u60a8\u53ef\u4ee5\u4f7f\u7528 for \u6216 for-each \u5faa\u73af\u904d\u5386\u6570\u7ec4\uff0c\u7136\u540e\u4f7f\u7528\u6570\u7ec4\u5143\u7d20\u7684\u7d22\u5f15\u6765\u8bbe\u7f6e\u65b0\u503c\u3002<\/p>\n

\u8be6\u7ec6\u6b65\u9aa4\uff1a<\/strong><\/p>\n

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

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

    \n
  1. \u58f0\u660e\u4e00\u4e2a\u6570\u7ec4\uff0c\u4f8b\u5982\uff1aint[] numbers = {1, 2, 3, 4, 5};\u3002<\/li>\n
  2. \u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\uff1afor (int i = 0; i <\/li>\n
  3. \u5728\u5faa\u73af\u4f53\u5185\uff0c\u53ef\u4ee5\u4f7f\u7528 i \u7d22\u5f15\u6765\u8bbf\u95ee\u5f53\u524d\u5143\u7d20\uff0c\u5e76\u4f7f\u7528\u8d4b\u503c\u64cd\u4f5c\u7b26\u5206\u914d\u65b0\u503c\uff1anumbers[i] = ;\u3002 <\/li>\n<\/ol>\n

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

      \n
    1. \u58f0\u660e\u4e00\u4e2a\u6570\u7ec4\uff0c\u4f8b\u5982\uff1aint[] numbers = {1, 2, 3, 4, 5};\u3002<\/li>\n
    2. \u4f7f\u7528 for-each \u5faa\u73af\u904d\u5386\u6570\u7ec4\uff1afor (int number : numbers) {}\u3002<\/li>\n
    3. \u5728\u5faa\u73af\u4f53\u5185\uff0c\u53ef\u4ee5\u4f7f\u7528 number \u53d8\u91cf\u6765\u8bbf\u95ee\u5f53\u524d\u5143\u7d20\uff0c\u5e76\u4f7f\u7528\u8d4b\u503c\u64cd\u4f5c\u7b26\u5206\u914d\u65b0\u503c\uff1anumber = ;\u3002 <\/li>\n<\/ol>\n

      \u793a\u4f8b\uff1a<\/strong><\/p>\n

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

      int[] numbers = {1, 2, 3, 4, 5};\n\nfor (int i = 0; i < numbers.length; i++) {\n    numbers[i] = numbers[i] * 2;\n}\n\nSystem.out.println(Arrays.toString(numbers)); \/\/ \u8f93\u51fa\uff1a\"[2, 4, 6, 8, 10]\"<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u4f7f\u7528 for-each \u5faa\u73af\uff1a<\/p>\n
      int[] numbers = {1, 2, 3, 4, 5};\n\nfor (int number : numbers) {\n    number = number * 2;\n}\n\nSystem.out.println(Arrays.toString(numbers)); \/\/ \u8f93\u51fa\uff1a\"[2, 4, 6, 8, 10]\"<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u4ee5\u4e0a\u5c31\u662fjava\u5982\u4f55\u904d\u5386\u6570\u7ec4\u5e76\u8d4b\u503c\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u53ef\u4ee5\u901a\u8fc7 for \u6216 for-each \u5faa\u73af\u904d\u5386\u6570\u7ec4\u5e76\u5206\u914d\u65b0\u503c\uff0c\u4f7f\u7528\u6570\u7ec4\u5143\u7d20\u7d22\u5f15\u8bbe\u7f6e\u65b0\u503c\u3002 \u5982\u4f55\u4f7f\u7528 Java \u904d\u5386\u6570\u7ec4\u5e76\u8d4b\u503c \u95ee\u9898\uff1a\u5982\u4f55\u4f7f\u7528 Java \u904d\u5386\u6570\u7ec4\u5e76\u4e3a\u5176\u5143\u7d20\u5206\u914d\u65b0\u503c\uff1f \u7b54\u6848\uff1a\u60a8\u53ef\u4ee5\u4f7f\u7528 for \u6216 for-each \u5faa\u73af\u904d\u5386\u6570\u7ec4\uff0c\u7136\u540e\u4f7f\u7528\u6570\u7ec4\u5143\u7d20\u7684\u7d22\u5f15\u6765\u8bbe\u7f6e\u65b0\u503c\u3002 \u8be6\u7ec6\u6b65\u9aa4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4f7f\u7528 for \u5faa\u73af\uff1a \u58f0\u660e\u4e00\u4e2a\u6570\u7ec4\uff0c\u4f8b\u5982\uff1aint[] numbers = {1, 2, 3, 4, 5};\u3002 \u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\uff1afor (int i = 0; i \u5728\u5faa\u73af\u4f53\u5185\uff0c\u53ef\u4ee5\u4f7f\u7528 i \u7d22\u5f15\u6765\u8bbf\u95ee\u5f53\u524d\u5143\u7d20\uff0c\u5e76\u4f7f\u7528\u8d4b\u503c\u64cd\u4f5c\u7b26\u5206\u914d\u65b0\u503c\uff1anumbers[i] = ;\u3002 \u4f7f\u7528 for-each \u5faa\u73af\uff1a \u58f0\u660e\u4e00\u4e2a\u6570\u7ec4\uff0c\u4f8b\u5982\uff1aint[] numbers = {1, 2, 3, 4, 5};\u3002 \u4f7f\u7528 for-each […]<\/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-66605","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66605","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=66605"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66605\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66605"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66605"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66605"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}