{"id":36644,"date":"2024-11-26T16:47:25","date_gmt":"2024-11-26T08:47:25","guid":{"rendered":"https:\/\/fwq.ai\/blog\/36644\/"},"modified":"2024-11-26T16:47:25","modified_gmt":"2024-11-26T08:47:25","slug":"java%e9%87%8c%e6%80%8e%e4%b9%88%e5%ae%9a%e4%b9%89%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/36644\/","title":{"rendered":"java\u91cc\u600e\u4e48\u5b9a\u4e49\u6570\u7ec4"},"content":{"rendered":"

\n \u5728 java \u4e2d\uff0c\u6570\u7ec4\u4f7f\u7528 [] \u5b9a\u4e49\uff0c\u6570\u636e\u7c7b\u578b\uff1a\u6570\u7ec4\u540d\u79f0 = {\u5143\u7d20\u5217\u8868}\u3002\u6570\u7ec4\u957f\u5ea6\u4e0d\u53ef\u66f4\u6539\uff0c\u5143\u7d20\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u53ef\u5b58\u50a8\u57fa\u672c\u548c\u5f15\u7528\u7c7b\u578b\u3002\u6570\u7ec4\u8fd8\u53ef\u4ee5\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\uff1a\u7c7b\u578b\u6570\u7ec4\u540d = new \u7c7b\u578b[\u957f\u5ea6]\u3002\u5143\u7d20\u901a\u8fc7\u6570\u7ec4\u540d[\u7d22\u5f15]\u8bbf\u95ee\u3002\n<\/p><\/blockquote>\n

\"java\u91cc\u600e\u4e48\u5b9a\u4e49\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

Java \u4e2d\u6570\u7ec4\u7684\u5b9a\u4e49<\/strong><\/p>\n

\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u53ef\u4ee5\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u7684\u591a\u4e2a\u5143\u7d20\u3002\u5728 Java \u4e2d\uff0c\u6570\u7ec4\u4f7f\u7528 [] \u7b26\u53f7\u6765\u5b9a\u4e49\u3002<\/p>\n

\u5b9a\u4e49\u8bed\u6cd5\uff1a<\/strong><\/p>\n

\u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d\u79f0 = {\u5143\u7d20\u5217\u8868};<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
    \n
  •  \u6570\u636e\u7c7b\u578b\uff1a<\/strong>\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u6570\u636e\u7c7b\u578b\u3002<\/li>\n
  •  \u6570\u7ec4\u540d\u79f0\uff1a<\/strong>\u6570\u7ec4\u7684\u540d\u79f0\u6216\u6807\u8bc6\u7b26\u3002<\/li>\n
  •  \u5143\u7d20\u5217\u8868\uff1a<\/strong>\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u5217\u8868\uff0c\u7528\u9017\u53f7\u5206\u9694\u3002<\/li>\n<\/ul>\n
    \u793a\u4f8b\uff1a<\/strong><\/p>\n
    int[] numbers = {1, 2, 3, 4, 5};\nString[] names = {\"John\", \"Mary\", \"Bob\"};<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u6ce8\u610f\uff1a<\/strong><\/p>\n
      \n
    • \u6570\u7ec4\u7684\u957f\u5ea6\u5fc5\u987b\u5728\u7f16\u8bd1\u65f6\u786e\u5b9a\uff0c\u5e76\u4e14\u5728\u521b\u5efa\u540e\u4e0d\u80fd\u66f4\u6539\u3002<\/li>\n
    • \u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002<\/li>\n
    • \u6570\u7ec4\u53ef\u4ee5\u5b58\u50a8\u57fa\u672c\u7c7b\u578b\uff08\u5982 int\u3001double\uff09\u548c\u5f15\u7528\u7c7b\u578b\uff08\u5982 String\u3001Object\uff09\u3002<\/li>\n<\/ul>\n
      \u521b\u5efa\u6570\u7ec4\u7684\u53e6\u4e00\u79cd\u65b9\u6cd5\uff1a<\/strong><\/p>\n
      \u9664\u4e86\u4f7f\u7528\u521d\u59cb\u5316\u5217\u8868\u4e4b\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\uff1a<\/p>\n
      \u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d\u79f0 = new \u6570\u636e\u7c7b\u578b[\u957f\u5ea6];<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u4f8b\u5982\uff1a<\/p>\n
      int[] numbers = new int[5];<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\uff1a<\/strong><\/p>\n
      \u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a<\/p>\n
      \u6570\u7ec4\u540d\u79f0[\u7d22\u5f15]<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u4f8b\u5982\uff1a<\/p>\n
      System.out.println(numbers[2]); \/\/ \u8f93\u51fa\uff1a3<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u4ee5\u4e0a\u5c31\u662fjava\u91cc\u600e\u4e48\u5b9a\u4e49\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\u6570\u7ec4\u4f7f\u7528 [] \u5b9a\u4e49\uff0c\u6570\u636e\u7c7b\u578b\uff1a\u6570\u7ec4\u540d\u79f0 = {\u5143\u7d20\u5217\u8868}\u3002\u6570\u7ec4\u957f\u5ea6\u4e0d\u53ef\u66f4\u6539\uff0c\u5143\u7d20\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u53ef\u5b58\u50a8\u57fa\u672c\u548c\u5f15\u7528\u7c7b\u578b\u3002\u6570\u7ec4\u8fd8\u53ef\u4ee5\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\uff1a\u7c7b\u578b\u6570\u7ec4\u540d = new \u7c7b\u578b[\u957f\u5ea6]\u3002\u5143\u7d20\u901a\u8fc7\u6570\u7ec4\u540d[\u7d22\u5f15]\u8bbf\u95ee\u3002 Java \u4e2d\u6570\u7ec4\u7684\u5b9a\u4e49 \u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u53ef\u4ee5\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u7684\u591a\u4e2a\u5143\u7d20\u3002\u5728 Java \u4e2d\uff0c\u6570\u7ec4\u4f7f\u7528 [] \u7b26\u53f7\u6765\u5b9a\u4e49\u3002 \u5b9a\u4e49\u8bed\u6cd5\uff1a \u6570\u636e\u7c7b\u578b[] \u6570\u7ec4\u540d\u79f0 = {\u5143\u7d20\u5217\u8868}; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\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\u79f0\uff1a\u6570\u7ec4\u7684\u540d\u79f0\u6216\u6807\u8bc6\u7b26\u3002 \u5143\u7d20\u5217\u8868\uff1a\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u5217\u8868\uff0c\u7528\u9017\u53f7\u5206\u9694\u3002 \u793a\u4f8b\uff1a int[] numbers = {1, 2, 3, 4, 5}; String[] names = {“John”, “Mary”, “Bob”}; \u767b\u5f55\u540e\u590d\u5236 \u6ce8\u610f\uff1a \u6570\u7ec4\u7684\u957f\u5ea6\u5fc5\u987b\u5728\u7f16\u8bd1\u65f6\u786e\u5b9a\uff0c\u5e76\u4e14\u5728\u521b\u5efa\u540e\u4e0d\u80fd\u66f4\u6539\u3002 \u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u7d22\u5f15\u4ece 0 \u5f00\u59cb\u3002 \u6570\u7ec4\u53ef\u4ee5\u5b58\u50a8\u57fa\u672c\u7c7b\u578b\uff08\u5982 int\u3001double\uff09\u548c\u5f15\u7528\u7c7b\u578b\uff08\u5982 […]<\/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-36644","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36644","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=36644"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36644\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=36644"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=36644"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=36644"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}