{"id":38699,"date":"2024-11-26T12:37:21","date_gmt":"2024-11-26T04:37:21","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38699\/"},"modified":"2024-11-26T12:37:21","modified_gmt":"2024-11-26T04:37:21","slug":"java%e6%80%8e%e4%b9%88%e5%81%9a%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38699\/","title":{"rendered":"Java\u600e\u4e48\u505a\u4e8c\u7ef4\u6570\u7ec4"},"content":{"rendered":"

\n \u5728 java \u4e2d\uff0c\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\u9700\u8981\u4e09\u4e2a\u6b65\u9aa4\uff1a\u58f0\u660e\u6570\u7ec4\u53d8\u91cf\u3001\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\uff0c\u5e76\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u4e3a\u5143\u7d20\u8d4b\u503c\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\u64cd\u4f5c\uff1a1\uff09\u58f0\u660e\u53d8\u91cf\uff1b2\uff09\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\uff1b3\uff09\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u4e3a\u5143\u7d20\u8d4b\u503c\u3002\n<\/p><\/blockquote>\n

\"Java\u600e\u4e48\u505a\u4e8c\u7ef4\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u4f7f\u7528 Java \u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n

\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u5b58\u50a8\u4e86\u5177\u6709\u4e24\u4e2a\u7d22\u5f15\u7684\u5143\u7d20\u3002\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\uff1a<\/p>\n

\u7b2c\u4e00\u6b65\uff1a\u58f0\u660e\u6570\u7ec4\u53d8\u91cf<\/strong><\/p>\n

int[][] myArray;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u7b2c\u4e8c\u6b65\uff1a\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4<\/strong><\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
myArray = new int[rows][columns];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff1a<\/p>\n
    \n
  •  rows<\/strong> \u662f\u6570\u7ec4\u7684\u884c\u6570<\/li>\n
  •  columns<\/strong> \u662f\u6570\u7ec4\u7684\u5217\u6570<\/li>\n<\/ul>\n
    \u7b2c\u4e09\u6b65\uff1a\u4e3a\u6570\u7ec4\u5143\u7d20\u8d4b\u503c<\/strong><\/p>\n
    \u53ef\u4ee5\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u4e3a\u4e8c\u7ef4\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\u8d4b\u503c\uff1a<\/p>\n
    for (int i = 0; i < rows; i++) {\n    for (int j = 0; j < columns; j++) {\n        myArray[i][j] = value;\n    }\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u5176\u4e2d\uff1a<\/p>\n
      \n
    •  i<\/strong> \u662f\u884c\u7d22\u5f15<\/li>\n
    •  j<\/strong> \u662f\u5217\u7d22\u5f15<\/li>\n
    •  value<\/strong> \u662f\u8981\u8d4b\u7ed9\u5143\u7d20\u7684\u503c<\/li>\n<\/ul>\n
      \u793a\u4f8b\uff1a<\/strong><\/p>\n
      int[][] myArray = new int[3][4];\n\n\/\/ \u4e3a\u6570\u7ec4\u8d4b\u503c\nfor (int i = 0; i < 3; i++) {\n    for (int j = 0; j < 4; j++) {\n        myArray[i][j] = i + j;\n    }\n}\n\n\/\/ \u6253\u5370\u6570\u7ec4\nfor (int[] row : myArray) {\n    for (int element : row) {\n        System.out.print(element + \" \");\n    }\n    System.out.println();\n}<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u8f93\u51fa\uff1a<\/p>\n
      0 1 2 3\n1 2 3 4\n2 3 4 5<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u4ee5\u4e0a\u5c31\u662fJava\u600e\u4e48\u505a\u4e8c\u7ef4\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":"
      \u5728 java \u4e2d\uff0c\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\u9700\u8981\u4e09\u4e2a\u6b65\u9aa4\uff1a\u58f0\u660e\u6570\u7ec4\u53d8\u91cf\u3001\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\uff0c\u5e76\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u4e3a\u5143\u7d20\u8d4b\u503c\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\u64cd\u4f5c\uff1a1\uff09\u58f0\u660e\u53d8\u91cf\uff1b2\uff09\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4\uff1b3\uff09\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u4e3a\u5143\u7d20\u8d4b\u503c\u3002 \u5982\u4f55\u4f7f\u7528 Java \u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4 \u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u5b58\u50a8\u4e86\u5177\u6709\u4e24\u4e2a\u7d22\u5f15\u7684\u5143\u7d20\u3002\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\uff1a \u7b2c\u4e00\u6b65\uff1a\u58f0\u660e\u6570\u7ec4\u53d8\u91cf int[][] myArray; \u767b\u5f55\u540e\u590d\u5236 \u7b2c\u4e8c\u6b65\uff1a\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u6570\u7ec4 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b myArray = new int[rows][columns]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a rows \u662f\u6570\u7ec4\u7684\u884c\u6570 columns \u662f\u6570\u7ec4\u7684\u5217\u6570 \u7b2c\u4e09\u6b65\uff1a\u4e3a\u6570\u7ec4\u5143\u7d20\u8d4b\u503c \u53ef\u4ee5\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u4e3a\u4e8c\u7ef4\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\u8d4b\u503c\uff1a for (int i = 0; i < rows; i++) { for (int j = 0; j < columns; j++) { myArray[i][j] = […]<\/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-38699","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38699","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=38699"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38699\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38699"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38699"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38699"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}