{"id":65329,"date":"2025-05-03T08:37:24","date_gmt":"2025-05-03T00:37:24","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65329\/"},"modified":"2025-05-03T08:37:24","modified_gmt":"2025-05-03T00:37:24","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e5%82%a8%e5%ad%98%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65329\/","title":{"rendered":"java\u4e2d\u600e\u4e48\u50a8\u5b58\u6570\u7ec4"},"content":{"rendered":"

\n \u5728 java \u4e2d\u5b58\u50a8\u6570\u7ec4\u6709\u4e24\u79cd\u65b9\u5f0f\uff1a\u5185\u5efa\u6570\u7ec4\uff1a\u4f7f\u7528\u56fa\u5b9a\u7684\u957f\u5ea6\u548c\u7c7b\u578b\uff0c\u8bed\u6cd5\u4e3a type[] arrayname = new type[size]\u3002\u6cdb\u578b\u6570\u7ec4\uff1a\u4f7f\u7528\u6cdb\u578b\u7c7b\u578b\uff0c\u5141\u8bb8\u5b58\u50a8\u4e0d\u540c\u7c7b\u578b\u7684\u5143\u7d20\uff0c\u8bed\u6cd5\u4e3a list arrayname = new arraylist()\u3002\n<\/p><\/blockquote>\n

\"java\u4e2d\u600e\u4e48\u50a8\u5b58\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

\u5728 Java \u4e2d\u5b58\u50a8\u6570\u7ec4<\/strong><\/p>\n

\u6570\u7ec4\u662f\u4e00\u79cd\u8fde\u7eed\u5185\u5b58\u5757\uff0c\u7528\u4e8e\u5b58\u50a8\u540c\u7c7b\u578b\u5143\u7d20\u7684\u96c6\u5408\u3002\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f\u5b58\u50a8\u6570\u7ec4\uff1a<\/p>\n

1. \u5185\u5efa\u6570\u7ec4<\/strong><\/p>\n

\u5185\u5efa\u6570\u7ec4\u4f7f\u7528\u56fa\u5b9a\u7684\u957f\u5ea6\u548c\u7c7b\u578b\u6765\u5b58\u50a8\u5143\u7d20\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

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

type[] arrayName = new type[size];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  • type \u662f\u5143\u7d20\u7684\u7c7b\u578b\uff08\u4f8b\u5982\uff0cint\u3001String\uff09<\/li>\n
  • arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0<\/li>\n
  • size \u662f\u6570\u7ec4\u7684\u5927\u5c0f\uff08\u5143\u7d20\u7684\u6570\u91cf\uff09<\/li>\n<\/ul>\n
    2. \u6cdb\u578b\u6570\u7ec4<\/strong><\/p>\n
    \u6cdb\u578b\u6570\u7ec4\u4f7f\u7528\u6cdb\u578b\u7c7b\u578b\u6765\u5b58\u50a8\u5143\u7d20\u3002\u6cdb\u578b\u7c7b\u578b\u5141\u8bb8\u6570\u7ec4\u5b58\u50a8\u4e0d\u540c\u7c7b\u578b\u7684\u5143\u7d20\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n
    List<type> arrayName = new ArrayList<>();<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u5176\u4e2d\uff1a<\/p>\n
      \n
    •  \u662f\u5143\u7d20\u7684\u6cdb\u578b\u7c7b\u578b\uff08\u4f8b\u5982\uff0c \u3001 \uff09 <\/li>\n
    • arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0<\/li>\n
    • ArrayList() \u662f\u7528\u4e8e\u521b\u5efa\u6cdb\u578b\u6570\u7ec4\u7684\u96c6\u5408\u7c7b<\/li>\n<\/ul>\n
      \u4f7f\u7528\u6570\u7ec4\u5b58\u50a8\u5143\u7d20<\/strong><\/p>\n
      \u8981\u5411\u6570\u7ec4\u4e2d\u5b58\u50a8\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n
      arrayName[index] = value;<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u5176\u4e2d\uff1a<\/p>\n
        \n
      • arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0<\/li>\n
      • index \u662f\u5143\u7d20\u5728\u6570\u7ec4\u4e2d\u7684\u7d22\u5f15<\/li>\n
      • value \u662f\u8981\u5b58\u50a8\u7684\u503c<\/li>\n<\/ul>\n
        \u8bbf\u95ee\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n
        \u8981\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n
        value = arrayName[index];<\/pre>\n
         \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
        \u5176\u4e2d\uff1a<\/p>\n
          \n
        • value \u662f\u5b58\u50a8\u5728\u6570\u7ec4\u5143\u7d20\u4e2d\u7684\u503c<\/li>\n
        • arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0<\/li>\n
        • index \u662f\u5143\u7d20\u5728\u6570\u7ec4\u4e2d\u7684\u7d22\u5f15<\/li>\n<\/ul>\n
          \u6570\u7ec4\u64cd\u4f5c<\/strong><\/p>\n
          Java \u4e3a\u6570\u7ec4\u63d0\u4f9b\u4e86\u5404\u79cd\u64cd\u4f5c\uff0c\u5305\u62ec\uff1a<\/p>\n
            \n
          •  \u83b7\u53d6\u957f\u5ea6\uff1a<\/strong>arrayName.length<\/li>\n
          •  \u904d\u5386\uff1a<\/strong>\u4f7f\u7528 for \u5faa\u73af\u6216\u589e\u5f3a for \u5faa\u73af<\/li>\n
          •  \u6392\u5e8f\uff1a<\/strong>Arrays.sort(arrayName)<\/li>\n
          •  \u641c\u7d22\uff1a<\/strong>Arrays.binarySearch(arrayName, value)<\/li>\n<\/ul>\n
            \u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u600e\u4e48\u50a8\u5b58\u6570\u7ec4\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
            \u5728 java \u4e2d\u5b58\u50a8\u6570\u7ec4\u6709\u4e24\u79cd\u65b9\u5f0f\uff1a\u5185\u5efa\u6570\u7ec4\uff1a\u4f7f\u7528\u56fa\u5b9a\u7684\u957f\u5ea6\u548c\u7c7b\u578b\uff0c\u8bed\u6cd5\u4e3a type[] arrayname = new type[size]\u3002\u6cdb\u578b\u6570\u7ec4\uff1a\u4f7f\u7528\u6cdb\u578b\u7c7b\u578b\uff0c\u5141\u8bb8\u5b58\u50a8\u4e0d\u540c\u7c7b\u578b\u7684\u5143\u7d20\uff0c\u8bed\u6cd5\u4e3a list arrayname = new arraylist()\u3002 \u5728 Java \u4e2d\u5b58\u50a8\u6570\u7ec4 \u6570\u7ec4\u662f\u4e00\u79cd\u8fde\u7eed\u5185\u5b58\u5757\uff0c\u7528\u4e8e\u5b58\u50a8\u540c\u7c7b\u578b\u5143\u7d20\u7684\u96c6\u5408\u3002\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f\u5b58\u50a8\u6570\u7ec4\uff1a 1. \u5185\u5efa\u6570\u7ec4 \u5185\u5efa\u6570\u7ec4\u4f7f\u7528\u56fa\u5b9a\u7684\u957f\u5ea6\u548c\u7c7b\u578b\u6765\u5b58\u50a8\u5143\u7d20\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b type[] arrayName = new type[size]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a type \u662f\u5143\u7d20\u7684\u7c7b\u578b\uff08\u4f8b\u5982\uff0cint\u3001String\uff09 arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0 size \u662f\u6570\u7ec4\u7684\u5927\u5c0f\uff08\u5143\u7d20\u7684\u6570\u91cf\uff09 2. \u6cdb\u578b\u6570\u7ec4 \u6cdb\u578b\u6570\u7ec4\u4f7f\u7528\u6cdb\u578b\u7c7b\u578b\u6765\u5b58\u50a8\u5143\u7d20\u3002\u6cdb\u578b\u7c7b\u578b\u5141\u8bb8\u6570\u7ec4\u5b58\u50a8\u4e0d\u540c\u7c7b\u578b\u7684\u5143\u7d20\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a List<type> arrayName = new ArrayList<>(); \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a \u662f\u5143\u7d20\u7684\u6cdb\u578b\u7c7b\u578b\uff08\u4f8b\u5982\uff0c \u3001 \uff09 arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0 ArrayList() \u662f\u7528\u4e8e\u521b\u5efa\u6cdb\u578b\u6570\u7ec4\u7684\u96c6\u5408\u7c7b \u4f7f\u7528\u6570\u7ec4\u5b58\u50a8\u5143\u7d20 \u8981\u5411\u6570\u7ec4\u4e2d\u5b58\u50a8\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a […]<\/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-65329","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65329","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=65329"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65329\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65329"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}