{"id":39554,"date":"2024-11-26T16:45:23","date_gmt":"2024-11-26T08:45:23","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39554\/"},"modified":"2024-11-26T16:45:23","modified_gmt":"2024-11-26T08:45:23","slug":"%e6%80%8e%e4%b9%88%e7%bb%99%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e8%b5%8b%e5%80%bcjava","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39554\/","title":{"rendered":"\u600e\u4e48\u7ed9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503cjava"},"content":{"rendered":"

\n \u5728 java \u4e2d\u7ed9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503c\uff0c\u9700\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u58f0\u660e\u548c\u521d\u59cb\u5316\u4e8c\u7ef4\u6570\u7ec4\u901a\u8fc7 rowindex \u8bbf\u95ee\u548c\u8d4b\u503c\u5143\u7d20\u4f7f\u7528\u5faa\u73af\u904d\u5386\u5e76\u8d4b\u503c\u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u8bed\u6cd5\u76f4\u63a5\u8d4b\u503c\n<\/p><\/blockquote>\n

\"\u600e\u4e48\u7ed9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503cjava\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5728 Java \u4e2d\u7ed9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503c<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u7ed9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503c\uff1a<\/p>\n

1. \u58f0\u660e\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n

\u9996\u5148\uff0c\u58f0\u660e\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5b83\u662f\u4e00\u4e2a\u6570\u7ec4\u7c7b\u578b\u7684\u6570\u7ec4\u3002\u4f8b\u5982\uff1a<\/p>\n

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

int[][] myArray = new int[3][4];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8fd9\u8868\u793a\u8fd9\u662f\u4e00\u4e2a\u5305\u542b 3 \u884c\u548c 4 \u5217\u7684\u4e8c\u7ef4\u6570\u7ec4\u3002<\/p>\n
2. \u8bbf\u95ee\u548c\u8d4b\u503c<\/strong><\/p>\n
\u8981\u8bbf\u95ee\u548c\u8d4b\u503c\u4e8c\u7ef4\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n
myArray[rowIndex][columnIndex] = value;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f8b\u5982\uff1a<\/p>\n
myArray[1][2] = 10;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8fd9\u5c06\u628a\u7b2c\u4e8c\u884c\u7684\u7b2c\u4e09\u4e2a\u5143\u7d20\u8bbe\u7f6e\u4e3a 10\u3002<\/p>\n
3. \u4f7f\u7528\u5faa\u73af\u8d4b\u503c<\/strong><\/p>\n
\u5bf9\u4e8e\u5927\u578b\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u6765\u904d\u5386\u5e76\u8d4b\u503c\u5143\u7d20\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u5c06\u4e3a\u6bcf\u4e00\u884c\u548c\u6bcf\u4e00\u5217\u8d4b\u503c\uff1a<\/p>\n
for (int i = 0; i < myArray.length; i++) {\n    for (int j = 0; j < myArray[i].length; j++) {\n        myArray[i][j] = i + j;\n    }\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8fd9\u5c06\u521b\u5efa\u4ee5\u4e0b\u6570\u7ec4\uff1a<\/p>\n
0 1 2 3\n1 2 3 4\n2 3 4 5<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
4. \u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u8bed\u6cd5<\/strong><\/p>\n
\u8fd8\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u8bed\u6cd5\u6765\u7ed9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503c\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
int[][] myArray = {\n    {1, 2, 3, 4},\n    {5, 6, 7, 8},\n    {9, 10, 11, 12}\n};<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8fd9\u5c06\u521b\u5efa\u4e0e\u4e0a\u9762\u76f8\u540c\u7c7b\u578b\u7684\u6570\u7ec4\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u600e\u4e48\u7ed9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503cjava\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":"
\u5728 java \u4e2d\u7ed9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503c\uff0c\u9700\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u58f0\u660e\u548c\u521d\u59cb\u5316\u4e8c\u7ef4\u6570\u7ec4\u901a\u8fc7 rowindex \u8bbf\u95ee\u548c\u8d4b\u503c\u5143\u7d20\u4f7f\u7528\u5faa\u73af\u904d\u5386\u5e76\u8d4b\u503c\u4f7f\u7528\u6570\u7ec4\u521d\u59cb\u5316\u8bed\u6cd5\u76f4\u63a5\u8d4b\u503c \u5982\u4f55\u5728 Java \u4e2d\u7ed9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503c \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u7ed9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503c\uff1a 1. \u58f0\u660e\u4e8c\u7ef4\u6570\u7ec4 \u9996\u5148\uff0c\u58f0\u660e\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5b83\u662f\u4e00\u4e2a\u6570\u7ec4\u7c7b\u578b\u7684\u6570\u7ec4\u3002\u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[][] myArray = new int[3][4]; \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u8868\u793a\u8fd9\u662f\u4e00\u4e2a\u5305\u542b 3 \u884c\u548c 4 \u5217\u7684\u4e8c\u7ef4\u6570\u7ec4\u3002 2. \u8bbf\u95ee\u548c\u8d4b\u503c \u8981\u8bbf\u95ee\u548c\u8d4b\u503c\u4e8c\u7ef4\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a myArray[rowIndex][columnIndex] = value; \u767b\u5f55\u540e\u590d\u5236 \u4f8b\u5982\uff1a myArray[1][2] = 10; \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u628a\u7b2c\u4e8c\u884c\u7684\u7b2c\u4e09\u4e2a\u5143\u7d20\u8bbe\u7f6e\u4e3a 10\u3002 3. \u4f7f\u7528\u5faa\u73af\u8d4b\u503c \u5bf9\u4e8e\u5927\u578b\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u6765\u904d\u5386\u5e76\u8d4b\u503c\u5143\u7d20\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u5c06\u4e3a\u6bcf\u4e00\u884c\u548c\u6bcf\u4e00\u5217\u8d4b\u503c\uff1a for (int i = 0; i < myArray.length; i++) { for (int […]<\/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-39554","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39554","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=39554"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39554\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39554"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39554"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}