{"id":35535,"date":"2024-11-26T17:54:13","date_gmt":"2024-11-26T09:54:13","guid":{"rendered":"https:\/\/fwq.ai\/blog\/35535\/"},"modified":"2024-11-26T17:54:13","modified_gmt":"2024-11-26T09:54:13","slug":"java%e4%b8%ad%e7%9a%84%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%ae%9a%e4%b9%89","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/35535\/","title":{"rendered":"java\u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u5b9a\u4e49"},"content":{"rendered":"

\n java \u4e2d\u4e8c\u7ef4\u6570\u7ec4\u53ef\u5b9a\u4e49\u4e3a\u4e00\u4e2a\u591a\u7eac\u6570\u7ec4\uff0c\u7531\u884c\u548c\u5217\u7ec4\u6210\u7684\u5143\u7d20\u8868\u683c\u3002\u5b9a\u4e49\uff1aint[][] arrayname = new int[numrows][numcols];\u8bbf\u95ee\u5143\u7d20\uff1amyarray[0][1]\uff1b\u8d4b\u503c\u5143\u7d20\uff1amyarray[1][2] = 10\u3002\n<\/p><\/blockquote>\n

\"java\u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u5b9a\u4e49\u63d2\u56fe\"<\/p>\n

Java\u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4\u5b9a\u4e49<\/strong><\/p>\n

\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u4e2a\u591a\u7ef4\u6570\u7ec4\uff0c\u5b83\u7531\u884c\u548c\u5217\u7ec4\u6210\u7684\u5143\u7d20\u7ec4\u6210\u7684\u8868\u683c\u5f62\u5f0f\u7684\u6570\u636e\u7ed3\u6784\u3002\u5b83\u5141\u8bb8\u60a8\u5c06\u5143\u7d20\u7ec4\u7ec7\u6210\u5757\uff0c\u4ece\u800c\u66f4\u5bb9\u6613\u5b58\u50a8\u548c\u8bbf\u95ee\u6570\u636e\u3002<\/p>\n

\u5b9a\u4e49\u65b9\u5f0f<\/strong><\/p>\n

\u8981\u5b9a\u4e49\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n

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

int[][] arrayName = new int[numRows][numCols];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  • arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n
  • numRows \u662f\u6570\u7ec4\u7684\u884c\u6570\u3002<\/li>\n
  • numCols \u662f\u6570\u7ec4\u7684\u5217\u6570\u3002<\/li>\n<\/ul>\n
    \u4f8b\u5982\uff0c\u8981\u5b9a\u4e49\u4e00\u4e2a\u542b\u6709 3 \u884c 4 \u5217\u7684\u6574\u6570\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
    \u8bbf\u95ee\u5143\u7d20<\/strong><\/p>\n
    \u60a8\u53ef\u4ee5\u4f7f\u7528\u884c\u548c\u5217\u7d22\u5f15\u6765\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff0c\u8981\u8bbf\u95ee myArray \u6570\u7ec4\u4e2d\u7b2c\u4e00\u884c\u3001\u7b2c\u4e8c\u5217\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n
    int element = myArray[0][1];<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8d4b\u503c<\/strong><\/p>\n
    \u8981\u7ed9\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u8d4b\u503c\uff0c\u8bf7\u4f7f\u7528\u4e0e\u8bbf\u95ee\u5143\u7d20\u76f8\u540c\u7684\u8bed\u6cd5\u3002\u4f8b\u5982\uff0c\u8981\u5c06 myArray \u6570\u7ec4\u4e2d\u7b2c\u4e8c\u884c\u3001\u7b2c\u4e09\u5217\u7684\u5143\u7d20\u8d4b\u503c\u4e3a 10\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n
    myArray[1][2] = 10;<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u5b9a\u4e49\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\u4e8c\u7ef4\u6570\u7ec4\u53ef\u5b9a\u4e49\u4e3a\u4e00\u4e2a\u591a\u7eac\u6570\u7ec4\uff0c\u7531\u884c\u548c\u5217\u7ec4\u6210\u7684\u5143\u7d20\u8868\u683c\u3002\u5b9a\u4e49\uff1aint[][] arrayname = new int[numrows][numcols];\u8bbf\u95ee\u5143\u7d20\uff1amyarray[0][1]\uff1b\u8d4b\u503c\u5143\u7d20\uff1amyarray[1][2] = 10\u3002 Java\u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4\u5b9a\u4e49 \u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u4e2a\u591a\u7ef4\u6570\u7ec4\uff0c\u5b83\u7531\u884c\u548c\u5217\u7ec4\u6210\u7684\u5143\u7d20\u7ec4\u6210\u7684\u8868\u683c\u5f62\u5f0f\u7684\u6570\u636e\u7ed3\u6784\u3002\u5b83\u5141\u8bb8\u60a8\u5c06\u5143\u7d20\u7ec4\u7ec7\u6210\u5757\uff0c\u4ece\u800c\u66f4\u5bb9\u6613\u5b58\u50a8\u548c\u8bbf\u95ee\u6570\u636e\u3002 \u5b9a\u4e49\u65b9\u5f0f \u8981\u5b9a\u4e49\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[][] arrayName = new int[numRows][numCols]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a arrayName \u662f\u6570\u7ec4\u7684\u540d\u79f0\u3002 numRows \u662f\u6570\u7ec4\u7684\u884c\u6570\u3002 numCols \u662f\u6570\u7ec4\u7684\u5217\u6570\u3002 \u4f8b\u5982\uff0c\u8981\u5b9a\u4e49\u4e00\u4e2a\u542b\u6709 3 \u884c 4 \u5217\u7684\u6574\u6570\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 \u8bbf\u95ee\u5143\u7d20 \u60a8\u53ef\u4ee5\u4f7f\u7528\u884c\u548c\u5217\u7d22\u5f15\u6765\u8bbf\u95ee\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff0c\u8981\u8bbf\u95ee myArray \u6570\u7ec4\u4e2d\u7b2c\u4e00\u884c\u3001\u7b2c\u4e8c\u5217\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a int element = myArray[0][1]; \u767b\u5f55\u540e\u590d\u5236 \u8d4b\u503c \u8981\u7ed9\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u8d4b\u503c\uff0c\u8bf7\u4f7f\u7528\u4e0e\u8bbf\u95ee\u5143\u7d20\u76f8\u540c\u7684\u8bed\u6cd5\u3002\u4f8b\u5982\uff0c\u8981\u5c06 myArray \u6570\u7ec4\u4e2d\u7b2c\u4e8c\u884c\u3001\u7b2c\u4e09\u5217\u7684\u5143\u7d20\u8d4b\u503c\u4e3a 10\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a myArray[1][2] = 10; \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-35535","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35535","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=35535"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35535\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=35535"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=35535"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=35535"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}