{"id":39374,"date":"2024-11-26T11:45:11","date_gmt":"2024-11-26T03:45:11","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39374\/"},"modified":"2024-11-26T11:45:11","modified_gmt":"2024-11-26T03:45:11","slug":"java%e6%80%8e%e4%b9%88%e5%9c%a8%e5%af%b9%e8%b1%a1%e9%87%8c%e5%a4%9a%e4%b8%aa%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39374\/","title":{"rendered":"java\u600e\u4e48\u5728\u5bf9\u8c61\u91cc\u591a\u4e2a\u6570\u7ec4"},"content":{"rendered":"

\n java \u4e2d\u652f\u6301\u5728\u5bf9\u8c61\u4e2d\u521b\u5efa\u591a\u7ef4\u6570\u7ec4\uff0c\u5176\u8bed\u6cd5\u4e3a\uff1adatatype[][] arrayname = new datatypesize1\u3002\u591a\u7ef4\u6570\u7ec4\u53ef\u4ee5\u7528\u4e8e\u7ec4\u7ec7\u548c\u5b58\u50a8\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5982\u77e9\u9635\u3001\u8868\u683c\u3001\u56fe\u50cf\u548c\u6e38\u620f\u6570\u636e\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u5728\u5bf9\u8c61\u91cc\u591a\u4e2a\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

Java \u4e2d\u5bf9\u8c61\u591a\u7ef4\u6570\u7ec4<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u5728\u5bf9\u8c61\u4e2d\u521b\u5efa\u591a\u7ef4\u6570\u7ec4\uff0c\u8fd9\u53ef\u4ee5\u5e2e\u52a9\u7ec4\u7ec7\u548c\u5b58\u50a8\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\u3002<\/p>\n

\u521b\u5efa\u591a\u7ef4\u6570\u7ec4<\/strong><\/p>\n

\u8981\u521b\u5efa\u591a\u7ef4\u6570\u7ec4\uff0c\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n

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

dataType[][] arrayName = new dataType[size1][size2];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  • dataType \u662f\u6570\u7ec4\u5143\u7d20\u7684\u6570\u636e\u7c7b\u578b<\/li>\n
  • arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0<\/li>\n
  • size1 \u662f\u7b2c\u4e00\u7ef4\u7684\u5927\u5c0f<\/li>\n
  • size2 \u662f\u7b2c\u4e8c\u7ef4\u7684\u5927\u5c0f<\/li>\n<\/ul>\n
    \u4f8b\u5982\uff0c\u8981\u521b\u5efa\u5305\u542b\u6574\u6570\u7684\u4e8c\u7ef4\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n
    int[][] myArray = new int[3][4];<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u5927\u5c0f\u4e3a 3×4 \u7684\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5176\u4e2d\u6709 3 \u884c\u548c 4 \u5217\u3002<\/p>\n
    \u8bbf\u95ee\u591a\u7ef4\u6570\u7ec4\u5143\u7d20<\/strong><\/p>\n
    \u8981\u8bbf\u95ee\u591a\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n
    arrayName[index1][index2]<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u5176\u4e2d\uff1a<\/p>\n
      \n
    • index1 \u662f\u7b2c\u4e00\u7ef4\u7684\u7d22\u5f15<\/li>\n
    • index2 \u662f\u7b2c\u4e8c\u7ef4\u7684\u7d22\u5f15<\/li>\n<\/ul>\n
      \u4f8b\u5982\uff0c\u8981\u8bbf\u95ee\u4e0a\u8ff0\u4e8c\u7ef4\u6570\u7ec4\u7684\u7b2c\u4e00\u884c\u7b2c\u4e8c\u5217\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n
      myArray[0][1];<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u4f7f\u7528\u591a\u7ef4\u6570\u7ec4<\/strong><\/p>\n
      \u591a\u7ef4\u6570\u7ec4\u53ef\u7528\u4e8e\u5b58\u50a8\u548c\u7ba1\u7406\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\u3002\u5b83\u4eec\u7ecf\u5e38\u7528\u4e8e\u4ee5\u4e0b\u60c5\u51b5\uff1a<\/p>\n
        \n
      • \u77e9\u9635\u548c\u8868\u683c<\/li>\n
      • \u56fe\u50cf\u548c\u591a\u5a92\u4f53\u6570\u636e<\/li>\n
      • \u6e38\u620f\u548c\u6a21\u62df<\/li>\n<\/ul>\n
        \u901a\u8fc7\u4f7f\u7528\u591a\u7ef4\u6570\u7ec4\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ec4\u7ec7\u548c\u5904\u7406\u590d\u6742\u7684\u6570\u636e\uff0c\u4ece\u800c\u7b80\u5316\u4ee3\u7801\u5e76\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6548\u7387\u3002<\/p>\n
        \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5728\u5bf9\u8c61\u91cc\u591a\u4e2a\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":"
        java \u4e2d\u652f\u6301\u5728\u5bf9\u8c61\u4e2d\u521b\u5efa\u591a\u7ef4\u6570\u7ec4\uff0c\u5176\u8bed\u6cd5\u4e3a\uff1adatatype[][] arrayname = new datatypesize1\u3002\u591a\u7ef4\u6570\u7ec4\u53ef\u4ee5\u7528\u4e8e\u7ec4\u7ec7\u548c\u5b58\u50a8\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5982\u77e9\u9635\u3001\u8868\u683c\u3001\u56fe\u50cf\u548c\u6e38\u620f\u6570\u636e\u3002 Java \u4e2d\u5bf9\u8c61\u591a\u7ef4\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u5728\u5bf9\u8c61\u4e2d\u521b\u5efa\u591a\u7ef4\u6570\u7ec4\uff0c\u8fd9\u53ef\u4ee5\u5e2e\u52a9\u7ec4\u7ec7\u548c\u5b58\u50a8\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\u3002 \u521b\u5efa\u591a\u7ef4\u6570\u7ec4 \u8981\u521b\u5efa\u591a\u7ef4\u6570\u7ec4\uff0c\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b dataType[][] arrayName = new dataType[size1][size2]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a dataType \u662f\u6570\u7ec4\u5143\u7d20\u7684\u6570\u636e\u7c7b\u578b arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0 size1 \u662f\u7b2c\u4e00\u7ef4\u7684\u5927\u5c0f size2 \u662f\u7b2c\u4e8c\u7ef4\u7684\u5927\u5c0f \u4f8b\u5982\uff0c\u8981\u521b\u5efa\u5305\u542b\u6574\u6570\u7684\u4e8c\u7ef4\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a int[][] myArray = new int[3][4]; \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u5927\u5c0f\u4e3a 3×4 \u7684\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5176\u4e2d\u6709 3 \u884c\u548c 4 \u5217\u3002 \u8bbf\u95ee\u591a\u7ef4\u6570\u7ec4\u5143\u7d20 \u8981\u8bbf\u95ee\u591a\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a arrayName[index1][index2] \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a index1 \u662f\u7b2c\u4e00\u7ef4\u7684\u7d22\u5f15 index2 \u662f\u7b2c\u4e8c\u7ef4\u7684\u7d22\u5f15 \u4f8b\u5982\uff0c\u8981\u8bbf\u95ee\u4e0a\u8ff0\u4e8c\u7ef4\u6570\u7ec4\u7684\u7b2c\u4e00\u884c\u7b2c\u4e8c\u5217\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a myArray[0][1]; \u767b\u5f55\u540e\u590d\u5236 […]<\/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-39374","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39374","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=39374"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39374\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39374"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39374"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39374"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}