{"id":34794,"date":"2024-11-26T16:11:38","date_gmt":"2024-11-26T08:11:38","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34794\/"},"modified":"2024-11-26T16:11:38","modified_gmt":"2024-11-26T08:11:38","slug":"java%e6%80%8e%e4%b9%88%e5%ae%9a%e6%9c%89n%e4%b8%aa%e5%8f%98%e9%87%8f%e7%9a%84%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34794\/","title":{"rendered":"Java\u600e\u4e48\u5b9a\u6709n\u4e2a\u53d8\u91cf\u7684\u6570\u7ec4"},"content":{"rendered":"

\n \u5728 java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u65b9\u62ec\u53f7 [] \u6765\u5b9a\u4e49\u56fa\u5b9a\u957f\u5ea6\u7684\u6570\u7ec4\u3002\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a1. \u6307\u5b9a\u6570\u636e\u7c7b\u578b\uff1b2. \u6307\u5b9a\u6570\u7ec4\u540d\uff1b3. \u4f7f\u7528 new \u5173\u952e\u5b57\u5206\u914d\u5927\u5c0f\uff1b4. \u4e3a\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\uff1b5. \u4f7f\u7528\u4e0b\u6807\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff1b6. \u4f7f\u7528 for \u5faa\u73af\u6216 foreach \u5faa\u73af\u904d\u5386\u6570\u7ec4\u5143\u7d20\u3002\n<\/p><\/blockquote>\n

\"Java\u600e\u4e48\u5b9a\u6709n\u4e2a\u53d8\u91cf\u7684\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

\u5728 Java \u4e2d\u5b9a\u4e49\u56fa\u5b9a\u957f\u5ea6\u7684\u6570\u7ec4<\/strong><\/p>\n

\u56de\u7b54\uff1a<\/strong>
\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u65b9\u62ec\u53f7 [] \u6765\u5b9a\u4e49\u56fa\u5b9a\u957f\u5ea6\u7684\u6570\u7ec4\u3002<\/p>\n

\u8be6\u7ec6\u8bf4\u660e\uff1a<\/strong><\/p>\n

    \n
  1. \u8bed\u6cd5\uff1a<\/strong><\/li>\n<\/ol>\n
    \u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d = new \u6570\u636e\u7c7b\u578b[\u5927\u5c0f];<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \n
    1. \n
      \u53c2\u6570\uff1a<\/strong><\/p>\n
      \u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
        \n
      • \u6570\u636e\u7c7b\u578b\uff1a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u636e\u7c7b\u578b\u3002<\/li>\n
      • \u6570\u7ec4\u540d\uff1a\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n
      • \u5927\u5c0f\uff1a\u6570\u7ec4\u7684\u56fa\u5b9a\u957f\u5ea6\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \n
        \u793a\u4f8b\uff1a<\/strong><\/p>\n
          \n
        • \n
          \u5b9a\u4e49\u4e00\u4e2a\u957f\u5ea6\u4e3a 5 \u7684\u6574\u578b\u6570\u7ec4\uff1a<\/p>\n
          int[] myArray = new int[5];<\/pre>\n
           \u767b\u5f55\u540e\u590d\u5236 <\/li>\n
        • \n
          \u5b9a\u4e49\u4e00\u4e2a\u957f\u5ea6\u4e3a 10 \u7684\uff1a<\/p>\n
          String[] myStringArray = new String[10];<\/pre>\n
           \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<\/ul>\n<\/li>\n
        • \n
          \u6570\u7ec4\u8d4b\u503c\uff1a<\/strong><\/p>\n
            \n
          • \n
            \u4e3a\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\uff1a<\/p>\n
            myArray[0] = 10;\nmyStringArray[0] = \"Hello\";<\/pre>\n
             \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<\/ul>\n<\/li>\n
          • \n
            \u6570\u7ec4\u8bbf\u95ee\uff1a<\/strong><\/p>\n
              \n
            • \n
              \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff1a<\/p>\n
              System.out.println(myArray[0]);  \/\/ \u8f93\u51fa 10\nSystem.out.println(myStringArray[0]);  \/\/ \u8f93\u51fa Hello<\/pre>\n
               \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<\/ul>\n<\/li>\n
            • \n
              \u6570\u7ec4\u904d\u5386\uff1a<\/strong><\/p>\n
                \n
              • \n
                \u4f7f\u7528 for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u5143\u7d20\uff1a<\/p>\n
                for (int i = 0; i < myArray.length; i++) {\n    System.out.println(myArray[i]);\n}<\/pre>\n
                 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
                  \n
                • \n
                  \u4f7f\u7528 foreach \u5faa\u73af\u904d\u5386\u6570\u7ec4\u5143\u7d20\uff1a<\/p>\n
                  for (String s : myStringArray) {\n    System.out.println(s);\n}<\/pre>\n
                   \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
                  \u4ee5\u4e0a\u5c31\u662fJava\u600e\u4e48\u5b9a\u6709n\u4e2a\u53d8\u91cf\u7684\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":"
                  \u5728 java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u65b9\u62ec\u53f7 [] \u6765\u5b9a\u4e49\u56fa\u5b9a\u957f\u5ea6\u7684\u6570\u7ec4\u3002\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a1. \u6307\u5b9a\u6570\u636e\u7c7b\u578b\uff1b2. \u6307\u5b9a\u6570\u7ec4\u540d\uff1b3. \u4f7f\u7528 new \u5173\u952e\u5b57\u5206\u914d\u5927\u5c0f\uff1b4. \u4e3a\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\uff1b5. \u4f7f\u7528\u4e0b\u6807\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff1b6. \u4f7f\u7528 for \u5faa\u73af\u6216 foreach \u5faa\u73af\u904d\u5386\u6570\u7ec4\u5143\u7d20\u3002 \u5728 Java \u4e2d\u5b9a\u4e49\u56fa\u5b9a\u957f\u5ea6\u7684\u6570\u7ec4 \u56de\u7b54\uff1a\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u65b9\u62ec\u53f7 [] \u6765\u5b9a\u4e49\u56fa\u5b9a\u957f\u5ea6\u7684\u6570\u7ec4\u3002 \u8be6\u7ec6\u8bf4\u660e\uff1a \u8bed\u6cd5\uff1a \u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d = new \u6570\u636e\u7c7b\u578b[\u5927\u5c0f]; \u767b\u5f55\u540e\u590d\u5236 \u53c2\u6570\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u6570\u636e\u7c7b\u578b\uff1a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u636e\u7c7b\u578b\u3002 \u6570\u7ec4\u540d\uff1a\u6570\u7ec4\u7684\u540d\u79f0\u3002 \u5927\u5c0f\uff1a\u6570\u7ec4\u7684\u56fa\u5b9a\u957f\u5ea6\u3002 \u793a\u4f8b\uff1a \u5b9a\u4e49\u4e00\u4e2a\u957f\u5ea6\u4e3a 5 \u7684\u6574\u578b\u6570\u7ec4\uff1a int[] myArray = new int[5]; \u767b\u5f55\u540e\u590d\u5236 \u5b9a\u4e49\u4e00\u4e2a\u957f\u5ea6\u4e3a 10 \u7684\uff1a String[] myStringArray = 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-34794","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34794","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=34794"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34794\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=34794"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=34794"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=34794"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}