{"id":66962,"date":"2025-05-03T17:18:27","date_gmt":"2025-05-03T09:18:27","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66962\/"},"modified":"2025-05-03T17:18:27","modified_gmt":"2025-05-03T09:18:27","slug":"java%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e7%9a%84%e6%af%8f%e5%88%97%e5%80%bc%e6%80%8e%e4%b9%88%e7%ae%97-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66962\/","title":{"rendered":"JAVA\u4e8c\u7ef4\u6570\u7ec4\u7684\u6bcf\u5217\u503c\u600e\u4e48\u7b97"},"content":{"rendered":"

\n java \u4e2d\u8ba1\u7b97\u4e8c\u7ef4\u6570\u7ec4\u6bcf\u5217\u503c\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a\u521b\u5efa\u4e00\u4e2a\u4e00\u7ef4\u6570\u7ec4\u5b58\u50a8\u5217\u548c\uff0c\u904d\u5386\u6570\u7ec4\u7d2f\u52a0\u6bcf\u5217\u7684\u503c\u3002\u4f7f\u7528\u8be5\u6570\u7ec4\u8bbf\u95ee\u6bcf\u5217\u7684\u503c\uff0c\u5982 sumofcolumn1 = columnsums[0]\u3002\n<\/p><\/blockquote>\n

\"JAVA\u4e8c\u7ef4\u6570\u7ec4\u7684\u6bcf\u5217\u503c\u600e\u4e48\u7b97\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u8ba1\u7b97 Java \u4e8c\u7ef4\u6570\u7ec4\u7684\u6bcf\u5217\u503c<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u4e2a\u5305\u542b\u6570\u7ec4\u5143\u7d20\u7684\u6570\u7ec4\u3002\u8981\u8ba1\u7b97\u6bcf\u5217\u7684\u503c\uff0c\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n

1. \u521d\u59cb\u5316\u4e00\u4e2a\u4e00\u7ef4\u6570\u7ec4\u6765\u5b58\u50a8\u5217\u548c<\/strong><\/p>\n

\u521b\u5efa\u4e00\u4e2a\u4e0e\u5217\u6570\u76f8\u540c\u7684\u6574\u6570\u6570\u7ec4\u6765\u5b58\u50a8\u5217\u548c\u3002<\/p>\n

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

int[] columnSums = new int[numColumns];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
2. \u904d\u5386\u6570\u7ec4\u5e76\u7d2f\u52a0\u6bcf\u5217<\/strong><\/p>\n
\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u904d\u5386\u6570\u7ec4\uff0c\u5e76\u5728\u6bcf\u5217\u7d2f\u52a0\u503c\u3002<\/p>\n
for (int row = 0; row < numRows; row++) {\n    for (int column = 0; column < numColumns; column++) {\n        columnSums[column] += array[row][column];\n    }\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
3. \u8bbf\u95ee\u5217\u548c<\/strong><\/p>\n
\u4e00\u6b21\u5217\u548c\u8ba1\u7b97\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528 columnSums \u6570\u7ec4\u8bbf\u95ee\u6bcf\u5217\u7684\u503c\u3002<\/p>\n
int sumOfColumn1 = columnSums[0];\nint sumOfColumn2 = columnSums[1];\n\/\/ \u4ee5\u6b64\u7c7b\u63a8<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u793a\u4f8b<\/strong><\/p>\n
\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a 3×4 \u7684\u4e8c\u7ef4\u6570\u7ec4\uff1a<\/p>\n
array = [[1, 2, 3, 4],\n         [5, 6, 7, 8],\n         [9, 10, 11, 12]]<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528\u4e0a\u8ff0\u6b65\u9aa4\u8ba1\u7b97\u6bcf\u5217\u7684\u548c\uff1a<\/p>\n
int[] columnSums = new int[4];\n\nfor (int row = 0; row < 3; row++) {\n    for (int column = 0; column < 4; column++) {\n        columnSums[column] += array[row][column];\n    }\n}\n\n\/\/ \u8bbf\u95ee\u5217\u548c\nint sumOfColumn1 = columnSums[0]; \/\/ 15\nint sumOfColumn2 = columnSums[1]; \/\/ 18\nint sumOfColumn3 = columnSums[2]; \/\/ 21\nint sumOfColumn4 = columnSums[3]; \/\/ 24<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4ee5\u4e0a\u5c31\u662fJAVA\u4e8c\u7ef4\u6570\u7ec4\u7684\u6bcf\u5217\u503c\u600e\u4e48\u7b97\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
java \u4e2d\u8ba1\u7b97\u4e8c\u7ef4\u6570\u7ec4\u6bcf\u5217\u503c\u7684\u65b9\u6cd5\u5982\u4e0b\uff1a\u521b\u5efa\u4e00\u4e2a\u4e00\u7ef4\u6570\u7ec4\u5b58\u50a8\u5217\u548c\uff0c\u904d\u5386\u6570\u7ec4\u7d2f\u52a0\u6bcf\u5217\u7684\u503c\u3002\u4f7f\u7528\u8be5\u6570\u7ec4\u8bbf\u95ee\u6bcf\u5217\u7684\u503c\uff0c\u5982 sumofcolumn1 = columnsums[0]\u3002 \u5982\u4f55\u8ba1\u7b97 Java \u4e8c\u7ef4\u6570\u7ec4\u7684\u6bcf\u5217\u503c \u5728 Java \u4e2d\uff0c\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u4e2a\u5305\u542b\u6570\u7ec4\u5143\u7d20\u7684\u6570\u7ec4\u3002\u8981\u8ba1\u7b97\u6bcf\u5217\u7684\u503c\uff0c\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a 1. \u521d\u59cb\u5316\u4e00\u4e2a\u4e00\u7ef4\u6570\u7ec4\u6765\u5b58\u50a8\u5217\u548c \u521b\u5efa\u4e00\u4e2a\u4e0e\u5217\u6570\u76f8\u540c\u7684\u6574\u6570\u6570\u7ec4\u6765\u5b58\u50a8\u5217\u548c\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] columnSums = new int[numColumns]; \u767b\u5f55\u540e\u590d\u5236 2. \u904d\u5386\u6570\u7ec4\u5e76\u7d2f\u52a0\u6bcf\u5217 \u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u904d\u5386\u6570\u7ec4\uff0c\u5e76\u5728\u6bcf\u5217\u7d2f\u52a0\u503c\u3002 for (int row = 0; row < numRows; row++) { for (int column = 0; column < numColumns; column++) { columnSums[column] += array[row][column]; } } \u767b\u5f55\u540e\u590d\u5236 3. \u8bbf\u95ee\u5217\u548c \u4e00\u6b21\u5217\u548c\u8ba1\u7b97\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528 columnSums \u6570\u7ec4\u8bbf\u95ee\u6bcf\u5217\u7684\u503c\u3002 […]<\/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-66962","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66962","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=66962"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66962\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66962"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66962"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}