{"id":36825,"date":"2024-11-26T17:32:34","date_gmt":"2024-11-26T09:32:34","guid":{"rendered":"https:\/\/fwq.ai\/blog\/36825\/"},"modified":"2024-11-26T17:32:34","modified_gmt":"2024-11-26T09:32:34","slug":"java%e6%80%8e%e4%b9%88%e6%98%af%e6%95%b0%e7%bb%84%e5%8a%a0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/36825\/","title":{"rendered":"java\u600e\u4e48\u662f\u6570\u7ec4\u52a0"},"content":{"rendered":"

\n java \u6570\u7ec4\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u5305\u542b\u56fa\u5b9a\u5927\u5c0f\u76f8\u540c\u7c7b\u578b\u5143\u7d20\u7684\u96c6\u5408\u5bf9\u8c61\u3002\u6570\u7ec4\u7684\u58f0\u660e\u4f7f\u7528 new \u521b\u5efa\u6307\u5b9a\u5927\u5c0f\u7684\u6570\u7ec4\u5bf9\u8c61\uff0c\u521d\u59cb\u5316\u53ef\u4ee5\u4f7f\u7528\u5927\u62ec\u53f7\u5305\u88f9\u5143\u7d20\u5217\u8868\uff0c\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u4f7f\u7528\u7d22\u5f15\uff0c\u904d\u5386\u6570\u7ec4\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\uff0c\u4f18\u70b9\u5305\u62ec\u67e5\u627e\u901f\u5ea6\u5feb\u3001\u6570\u636e\u7c7b\u578b\u4e00\u81f4\u548c\u7d27\u51d1\u7684\u5185\u5b58\u5e03\u5c40\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u662f\u6570\u7ec4\u52a0\u63d2\u56fe\"<\/p>\n

Java \u5982\u4f55\u5b9e\u73b0\u6570\u7ec4<\/strong><\/p>\n

\u56de\u7b54\uff1a<\/strong>
Java \u4e2d\u7684\u6570\u7ec4\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5b83\u5305\u542b\u56fa\u5b9a\u5927\u5c0f\u7684\u5143\u7d20\u96c6\u5408\uff0c\u7c7b\u578b\u76f8\u540c\u3002<\/p>\n

\u8be6\u7ec6\u5c55\u5f00\uff1a<\/strong><\/p>\n

\u6570\u7ec4\u7684\u58f0\u660e<\/strong>
\u8981\u58f0\u660e\u4e00\u4e2a\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n

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

int[] arr = new int[size];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  • int[] \u8868\u793a\u6570\u7ec4\u7c7b\u578b\uff0c\u5373\u6574\u578b\u6570\u7ec4\u3002<\/li>\n
  • arr \u662f\u6570\u7ec4\u53d8\u91cf\u540d\u3002<\/li>\n
  • new int[size] \u521b\u5efa\u4e00\u4e2a\u5927\u5c0f\u4e3a size \u7684\u6574\u578b\u6570\u7ec4\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n
    \u6570\u7ec4\u7684\u521d\u59cb\u5316<\/strong>
    \u6570\u7ec4\u5728\u58f0\u660e\u540e\u53ef\u4ee5\u521d\u59cb\u5316\uff0c\u5373\u4e3a\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n
    arr[0] = 1;\narr[1] = 2;\n\/\/ ...<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u4e5f\u53ef\u4ee5\u5728\u58f0\u660e\u6570\u7ec4\u7684\u540c\u65f6\u521d\u59cb\u5316\uff0c\u4f7f\u7528\u5927\u62ec\u53f7\u5305\u88f9\u5143\u7d20\u5217\u8868\uff1a<\/p>\n
    int[] arr = {1, 2, 3};<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u6570\u7ec4\u7684\u8bbf\u95ee<\/strong>
    \u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a<\/p>\n
    int element = arr[index];<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u5176\u4e2d\uff1a<\/p>\n
      \n
    • element \u662f\u5b58\u50a8\u5728\u6307\u5b9a\u7d22\u5f15\u5904\u7684\u5143\u7d20\u3002<\/li>\n
    • index \u662f\u6570\u7ec4\u4e2d\u7684\u7d22\u5f15\u503c\uff0c\u4ece 0 \u5f00\u59cb\u3002<\/li>\n<\/ul>\n
      \u6570\u7ec4\u7684\u904d\u5386<\/strong>
      \u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff1a<\/p>\n
      for (int i = 0; i < arr.length; i++) {\n  \/\/ \u5728\u8fd9\u91cc\u8bbf\u95ee arr[i]\n}<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u6570\u7ec4\u7684\u4f18\u70b9\uff1a<\/strong><\/p>\n
        \n
      • \u5feb\u901f\u6570\u7ec4\u67e5\u627e\u548c\u8bbf\u95ee\u3002<\/li>\n
      • \u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u7684\u6570\u636e\u3002<\/li>\n
      • \u7d27\u51d1\u7684\u5185\u5b58\u5e03\u5c40\u3002<\/li>\n<\/ul>\n
        \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u662f\u6570\u7ec4\u52a0\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":"
        java \u6570\u7ec4\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u5305\u542b\u56fa\u5b9a\u5927\u5c0f\u76f8\u540c\u7c7b\u578b\u5143\u7d20\u7684\u96c6\u5408\u5bf9\u8c61\u3002\u6570\u7ec4\u7684\u58f0\u660e\u4f7f\u7528 new \u521b\u5efa\u6307\u5b9a\u5927\u5c0f\u7684\u6570\u7ec4\u5bf9\u8c61\uff0c\u521d\u59cb\u5316\u53ef\u4ee5\u4f7f\u7528\u5927\u62ec\u53f7\u5305\u88f9\u5143\u7d20\u5217\u8868\uff0c\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u4f7f\u7528\u7d22\u5f15\uff0c\u904d\u5386\u6570\u7ec4\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\uff0c\u4f18\u70b9\u5305\u62ec\u67e5\u627e\u901f\u5ea6\u5feb\u3001\u6570\u636e\u7c7b\u578b\u4e00\u81f4\u548c\u7d27\u51d1\u7684\u5185\u5b58\u5e03\u5c40\u3002 Java \u5982\u4f55\u5b9e\u73b0\u6570\u7ec4 \u56de\u7b54\uff1aJava \u4e2d\u7684\u6570\u7ec4\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5b83\u5305\u542b\u56fa\u5b9a\u5927\u5c0f\u7684\u5143\u7d20\u96c6\u5408\uff0c\u7c7b\u578b\u76f8\u540c\u3002 \u8be6\u7ec6\u5c55\u5f00\uff1a \u6570\u7ec4\u7684\u58f0\u660e\u8981\u58f0\u660e\u4e00\u4e2a\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] arr = new int[size]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a int[] \u8868\u793a\u6570\u7ec4\u7c7b\u578b\uff0c\u5373\u6574\u578b\u6570\u7ec4\u3002 arr \u662f\u6570\u7ec4\u53d8\u91cf\u540d\u3002 new int[size] \u521b\u5efa\u4e00\u4e2a\u5927\u5c0f\u4e3a size \u7684\u6574\u578b\u6570\u7ec4\u5bf9\u8c61\u3002 \u6570\u7ec4\u7684\u521d\u59cb\u5316\u6570\u7ec4\u5728\u58f0\u660e\u540e\u53ef\u4ee5\u521d\u59cb\u5316\uff0c\u5373\u4e3a\u6570\u7ec4\u5143\u7d20\u8d4b\u503c\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a arr[0] = 1; arr[1] = 2; \/\/ … \u767b\u5f55\u540e\u590d\u5236 \u4e5f\u53ef\u4ee5\u5728\u58f0\u660e\u6570\u7ec4\u7684\u540c\u65f6\u521d\u59cb\u5316\uff0c\u4f7f\u7528\u5927\u62ec\u53f7\u5305\u88f9\u5143\u7d20\u5217\u8868\uff1a int[] arr = {1, 2, 3}; \u767b\u5f55\u540e\u590d\u5236 \u6570\u7ec4\u7684\u8bbf\u95ee\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff1a int element = arr[index]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a element \u662f\u5b58\u50a8\u5728\u6307\u5b9a\u7d22\u5f15\u5904\u7684\u5143\u7d20\u3002 index […]<\/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-36825","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36825","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=36825"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36825\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=36825"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=36825"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=36825"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}