{"id":34716,"date":"2024-11-26T14:33:24","date_gmt":"2024-11-26T06:33:24","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34716\/"},"modified":"2024-11-26T14:33:24","modified_gmt":"2024-11-26T06:33:24","slug":"java%e6%80%8e%e4%b9%88%e6%8a%8a%e6%95%b0%e5%82%a8%e5%ad%98%e5%88%b0%e6%95%b0%e7%bb%84%e9%87%8c","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34716\/","title":{"rendered":"java\u600e\u4e48\u628a\u6570\u50a8\u5b58\u5230\u6570\u7ec4\u91cc"},"content":{"rendered":"

\n \u53ef\u4ee5\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5c06\u6570\u5b57\u5b58\u50a8\u5230 java \u6570\u7ec4\u4e2d\uff1a\u58f0\u660e\u6570\u7ec4\uff1a\u6307\u5b9a\u7c7b\u578b\u548c\u5927\u5c0f\u3002\u901a\u8fc7\u7d22\u5f15\u8d4b\u503c\uff1a\u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\u5143\u7d20\u5e76\u8d4b\u503c\u3002\u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u5668\uff1a\u58f0\u660e\u65f6\u63d0\u4f9b\u521d\u59cb\u503c\u3002\u4f7f\u7528\u6570\u7ec4\u5de5\u5177\u7c7b\uff1a\u63d0\u4f9b\u64cd\u4f5c\u6570\u7ec4\u7684\u65b9\u6cd5\u3002\u904d\u5386\u6570\u7ec4\uff1a\u4f7f\u7528 for-each \u6216 for \u5faa\u73af\u8fed\u4ee3\u5143\u7d20\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u628a\u6570\u50a8\u5b58\u5230\u6570\u7ec4\u91cc\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5c06\u6570\u5b57\u5b58\u50a8\u5230 Java \u6570\u7ec4\u4e2d\uff1f<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5c06\u6570\u5b57\u5b58\u50a8\u5230\u6570\u7ec4\u4e2d\uff1a<\/p>\n

    \n
  1. \u58f0\u660e\u6570\u7ec4\uff1a<\/strong>\u58f0\u660e\u4e00\u4e2a\u6307\u5b9a\u7c7b\u578b\uff08\u4f8b\u5982 int\u3001double\u3001String\uff09\u7684\u6570\u7ec4\u53d8\u91cf\u5e76\u6307\u5b9a\u5927\u5c0f\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n
    int[] numbers = new int[5];<\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
      \n
    1.  \u901a\u8fc7\u7d22\u5f15\u8d4b\u503c\uff1a<\/strong>\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u5e76\u8d4b\u503c\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n
      numbers[0] = 10;\nnumbers[1] = 20;<\/pre>\n
        \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
        \n
      1.  \u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u5668\uff1a<\/strong>\u5728\u58f0\u660e\u6570\u7ec4\u7684\u540c\u65f6\u4f7f\u7528\u521d\u59cb\u5316\u5668\u63d0\u4f9b\u521d\u59cb\u503c\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n
        int[] numbers = {10, 20, 30, 40, 50};<\/pre>\n
          \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
          \n
        1.  \u4f7f\u7528\u6570\u7ec4\u5de5\u5177\u7c7b\uff1a<\/strong>Java \u4e2d\u7684 Arrays \u7c7b\u63d0\u4f9b\u4e86\u7528\u4e8e\u521d\u59cb\u5316\u548c\u64cd\u4f5c\u6570\u7ec4\u7684\u5b9e\u7528\u65b9\u6cd5\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n
          Arrays.fill(numbers, 10); \/\/ \u5c06\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u586b\u5145\u4e3a 10<\/pre>\n
            \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
            \n
          1.  \u904d\u5386\u6570\u7ec4\uff1a<\/strong>\u53ef\u4ee5\u4f7f\u7528 for-each \u5faa\u73af\u6216 for \u5faa\u73af\u8fed\u4ee3\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n
            for (int number : numbers) {\n  System.out.println(number);\n}<\/pre>\n
              \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
            \u793a\u4f8b\uff1a<\/strong><\/p>\n
            \/\/ \u58f0\u660e int \u6570\u7ec4\u5e76\u4f7f\u7528\u521d\u59cb\u5316\u5668\nint[] numbers = {1, 2, 3, 4, 5};\n\n\/\/ \u4f7f\u7528\u7d22\u5f15\u8d4b\u503c\nnumbers[2] = 10;\n\n\/\/ \u904d\u5386\u6570\u7ec4\u5e76\u6253\u5370\u5143\u7d20\nfor (int number : numbers) {\n  System.out.println(number); \/\/ \u8f93\u51fa\uff1a1, 2, 10, 4, 5\n}<\/pre>\n
              \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
            \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u628a\u6570\u50a8\u5b58\u5230\u6570\u7ec4\u91cc\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":"
            \u53ef\u4ee5\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5c06\u6570\u5b57\u5b58\u50a8\u5230 java \u6570\u7ec4\u4e2d\uff1a\u58f0\u660e\u6570\u7ec4\uff1a\u6307\u5b9a\u7c7b\u578b\u548c\u5927\u5c0f\u3002\u901a\u8fc7\u7d22\u5f15\u8d4b\u503c\uff1a\u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\u5143\u7d20\u5e76\u8d4b\u503c\u3002\u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u5668\uff1a\u58f0\u660e\u65f6\u63d0\u4f9b\u521d\u59cb\u503c\u3002\u4f7f\u7528\u6570\u7ec4\u5de5\u5177\u7c7b\uff1a\u63d0\u4f9b\u64cd\u4f5c\u6570\u7ec4\u7684\u65b9\u6cd5\u3002\u904d\u5386\u6570\u7ec4\uff1a\u4f7f\u7528 for-each \u6216 for \u5faa\u73af\u8fed\u4ee3\u5143\u7d20\u3002 \u5982\u4f55\u5c06\u6570\u5b57\u5b58\u50a8\u5230 Java \u6570\u7ec4\u4e2d\uff1f \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5c06\u6570\u5b57\u5b58\u50a8\u5230\u6570\u7ec4\u4e2d\uff1a \u58f0\u660e\u6570\u7ec4\uff1a\u58f0\u660e\u4e00\u4e2a\u6307\u5b9a\u7c7b\u578b\uff08\u4f8b\u5982 int\u3001double\u3001String\uff09\u7684\u6570\u7ec4\u53d8\u91cf\u5e76\u6307\u5b9a\u5927\u5c0f\u3002\u4f8b\u5982\uff1a int[] numbers = new int[5]; \u767b\u5f55\u540e\u590d\u5236 \u901a\u8fc7\u7d22\u5f15\u8d4b\u503c\uff1a\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u5e76\u8d4b\u503c\u3002\u4f8b\u5982\uff1a numbers[0] = 10; numbers[1] = 20; \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u5668\uff1a\u5728\u58f0\u660e\u6570\u7ec4\u7684\u540c\u65f6\u4f7f\u7528\u521d\u59cb\u5316\u5668\u63d0\u4f9b\u521d\u59cb\u503c\u3002\u4f8b\u5982\uff1a int[] numbers = {10, 20, 30, 40, 50}; \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528\u6570\u7ec4\u5de5\u5177\u7c7b\uff1aJava \u4e2d\u7684 Arrays \u7c7b\u63d0\u4f9b\u4e86\u7528\u4e8e\u521d\u59cb\u5316\u548c\u64cd\u4f5c\u6570\u7ec4\u7684\u5b9e\u7528\u65b9\u6cd5\u3002\u4f8b\u5982\uff1a Arrays.fill(numbers, 10); \/\/ \u5c06\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u586b\u5145\u4e3a 10 \u767b\u5f55\u540e\u590d\u5236 \u904d\u5386\u6570\u7ec4\uff1a\u53ef\u4ee5\u4f7f\u7528 for-each \u5faa\u73af\u6216 for \u5faa\u73af\u8fed\u4ee3\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff1a for […]<\/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-34716","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34716","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=34716"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34716\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=34716"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=34716"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=34716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}