{"id":35463,"date":"2024-11-26T11:10:51","date_gmt":"2024-11-26T03:10:51","guid":{"rendered":"https:\/\/fwq.ai\/blog\/35463\/"},"modified":"2024-11-26T11:10:51","modified_gmt":"2024-11-26T03:10:51","slug":"java%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e6%b7%bb%e5%8a%a0%e5%85%83%e7%b4%a0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/35463\/","title":{"rendered":"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u6dfb\u52a0\u5143\u7d20"},"content":{"rendered":"

\n \u5411 java \u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20\u7684\u65b9\u6cd5\u4e3a\uff1a\u58f0\u660e\u5e76\u5728\u521d\u59cb\u5316\u6570\u7ec4\uff0c\u901a\u8fc7 arrayrow \u8bed\u6cd5\u8bbf\u95ee\u5143\u7d20\uff0c\u5c06\u503c\u5206\u914d\u7ed9\u76f8\u5e94\u5143\u7d20\uff0c\u4f8b\u5982\uff1aarrayrowindex = newvalue;\n<\/p><\/blockquote>\n

\"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u6dfb\u52a0\u5143\u7d20\u63d2\u56fe\"<\/p>\n

\u5728 Java \u4e2d\u5411\u4e8c\u7ef4\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20<\/strong><\/p>\n

\u5982\u4f55\u5411 Java \u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20\uff1f<\/strong><\/p>\n

Java \u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u6570\u7ec4\u7684\u6570\u7ec4\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f\u4e00\u4e2a\u4e00\u7ef4\u6570\u7ec4\u3002\u8981\u5411\u4e8c\u7ef4\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20\uff0c\u53ef\u4ee5\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n

\u6b65\u9aa4 1\uff1a\u58f0\u660e\u5e76\u521d\u59cb\u5316\u6570\u7ec4<\/strong><\/p>\n

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

int[][] array = new int[numRows][numCols];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d numRows \u548c numCols \u5206\u522b\u662f\u6570\u7ec4\u7684\u884c\u6570\u548c\u5217\u6570\u3002<\/p>\n
\u6b65\u9aa4 2\uff1a\u8bbf\u95ee\u7279\u5b9a\u5143\u7d20<\/strong><\/p>\n
\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u8bbf\u95ee\u7279\u5b9a\u5143\u7d20\uff1a<\/p>\n
array[row][col] = value;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d row \u548c col \u662f\u5143\u7d20\u7684\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\uff0cvalue \u662f\u8981\u6dfb\u52a0\u7684\u503c\u3002<\/p>\n
\u6b65\u9aa4 3\uff1a\u6dfb\u52a0\u5143\u7d20<\/strong><\/p>\n
\u8981\u5728\u6307\u5b9a\u4f4d\u7f6e\u6dfb\u52a0\u5143\u7d20\uff0c\u53ea\u9700\u5c06\u503c\u5206\u914d\u7ed9\u76f8\u5e94\u7684\u6570\u7ec4\u5143\u7d20\uff1a<\/p>\n
array[rowIndex][colIndex] = newValue;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u793a\u4f8b\uff1a<\/strong><\/p>\n
int[][] array = new int[2][3];\n\n\/\/ \u6dfb\u52a0\u5143\u7d20\narray[0][0] = 1;\narray[0][1] = 2;\narray[0][2] = 3;\narray[1][0] = 4;\narray[1][1] = 5;\narray[1][2] = 6;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u6ce8\u610f\uff1a<\/strong><\/p>\n
    \n
  • \u786e\u4fdd\u5728\u5411\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20\u4e4b\u524d\u5df2\u5bf9\u5176\u8fdb\u884c\u521d\u59cb\u5316\u3002<\/li>\n
  • \u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\u5fc5\u987b\u5728\u6570\u7ec4\u7684\u6709\u6548\u8303\u56f4\u5185\u3002<\/li>\n
  • \u53ea\u80fd\u5411\u4e8c\u7ef4\u6570\u7ec4\u6dfb\u52a0\u76f8\u540c\u7c7b\u578b\u7684\u5143\u7d20\u3002<\/li>\n<\/ul>\n
    \u4ee5\u4e0a\u5c31\u662fjava\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u6dfb\u52a0\u5143\u7d20\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":"
    \u5411 java \u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20\u7684\u65b9\u6cd5\u4e3a\uff1a\u58f0\u660e\u5e76\u5728\u521d\u59cb\u5316\u6570\u7ec4\uff0c\u901a\u8fc7 arrayrow \u8bed\u6cd5\u8bbf\u95ee\u5143\u7d20\uff0c\u5c06\u503c\u5206\u914d\u7ed9\u76f8\u5e94\u5143\u7d20\uff0c\u4f8b\u5982\uff1aarrayrowindex = newvalue; \u5728 Java \u4e2d\u5411\u4e8c\u7ef4\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20 \u5982\u4f55\u5411 Java \u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20\uff1f Java \u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4\u672c\u8d28\u4e0a\u662f\u4e00\u4e2a\u6570\u7ec4\u7684\u6570\u7ec4\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f\u4e00\u4e2a\u4e00\u7ef4\u6570\u7ec4\u3002\u8981\u5411\u4e8c\u7ef4\u6570\u7ec4\u6dfb\u52a0\u5143\u7d20\uff0c\u53ef\u4ee5\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a \u6b65\u9aa4 1\uff1a\u58f0\u660e\u5e76\u521d\u59cb\u5316\u6570\u7ec4 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[][] array = new int[numRows][numCols]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d numRows \u548c numCols \u5206\u522b\u662f\u6570\u7ec4\u7684\u884c\u6570\u548c\u5217\u6570\u3002 \u6b65\u9aa4 2\uff1a\u8bbf\u95ee\u7279\u5b9a\u5143\u7d20 \u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u8bbf\u95ee\u7279\u5b9a\u5143\u7d20\uff1a array[row][col] = value; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d row \u548c col \u662f\u5143\u7d20\u7684\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\uff0cvalue \u662f\u8981\u6dfb\u52a0\u7684\u503c\u3002 \u6b65\u9aa4 3\uff1a\u6dfb\u52a0\u5143\u7d20 \u8981\u5728\u6307\u5b9a\u4f4d\u7f6e\u6dfb\u52a0\u5143\u7d20\uff0c\u53ea\u9700\u5c06\u503c\u5206\u914d\u7ed9\u76f8\u5e94\u7684\u6570\u7ec4\u5143\u7d20\uff1a array[rowIndex][colIndex] = newValue; \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b\uff1a int[][] array = new int[2][3]; […]<\/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-35463","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35463","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=35463"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35463\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=35463"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=35463"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=35463"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}