{"id":38359,"date":"2024-11-26T09:40:21","date_gmt":"2024-11-26T01:40:21","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38359\/"},"modified":"2024-11-26T09:40:21","modified_gmt":"2024-11-26T01:40:21","slug":"java%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e7%9b%b8%e9%82%bb%e7%9b%b8%e5%8a%a0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38359\/","title":{"rendered":"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u76f8\u90bb\u76f8\u52a0"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\uff0c\u5bf9\u4e8c\u7ef4\u6570\u7ec4\u76f8\u90bb\u5143\u7d20\u6c42\u548c\u7684\u6b65\u9aa4\u5305\u62ec\uff1a\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u67e5\u627e\u76f8\u90bb\u5143\u7d20\uff1b\u5c06\u5143\u7d20\u4e0e\u76f8\u90bb\u5143\u7d20\u76f8\u52a0\u5e76\u5b58\u50a8\u5728\u4e34\u65f6\u53d8\u91cf\u4e2d\uff1b\u5c06\u76f8\u52a0\u7ed3\u679c\u66f4\u65b0\u5230\u539f\u5143\u7d20\u4e2d\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/14\/2024111413365056703.jpg\" class=\"aligncenter\" title=\"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u76f8\u90bb\u76f8\u52a0\u63d2\u56fe\" alt=\"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u76f8\u90bb\u76f8\u52a0\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e8c\u7ef4\u6570\u7ec4\u76f8\u90bb\u5143\u7d20\u76f8\u52a0<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u5bf9\u4e8c\u7ef4\u6570\u7ec4\u7684\u76f8\u90bb\u5143\u7d20\u8fdb\u884c\u76f8\u52a0\uff1a<\/p>\n<p><strong>1. \u904d\u5386\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n<p>\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u7684\u6240\u6709\u5143\u7d20\u3002\u5916\u5c42\u5faa\u73af\u904d\u5386\u884c\uff0c\u5185\u5c42\u5faa\u73af\u904d\u5386\u5217\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>for (int i = 0; i &lt; matrix.length; i++) {\n    for (int j = 0; j &lt; matrix[0].length; j++) {\n        \/\/ \u8fd9\u91cc\u653e\u7f6e\u5bf9\u5143\u7d20\u7684\u5904\u7406\u903b\u8f91\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u67e5\u627e\u76f8\u90bb\u5143\u7d20<\/strong><\/p>\n<p>\u5bf9\u4e8e\u6bcf\u4e2a\u5143\u7d20\uff0c\u67e5\u627e\u5176\u4e0a\u4e0b\u5de6\u53f3\u7684\u76f8\u90bb\u5143\u7d20\u3002\u5bf9\u4e8e\u8fb9\u7f18\u5143\u7d20\uff0c\u4e0d\u5b58\u5728\u67d0\u4e9b\u76f8\u90bb\u5143\u7d20\uff0c\u9700\u8981\u8fdb\u884c\u7279\u6b8a\u5904\u7406\u3002<\/p>\n<pre>int left = j - 1;\nint right = j + 1;\nint top = i - 1;\nint bottom = i + 1;\n\n\/\/ \u68c0\u67e5\u8fb9\u7f18\u5143\u7d20\u7684\u8fb9\u754c\nif (left &lt; 0) left = 0;\nif (right &gt;= matrix[0].length) right = matrix[0].length - 1;\nif (top &lt; 0) top = 0;\nif (bottom &gt;= matrix.length) bottom = matrix.length - 1;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u76f8\u52a0<\/strong><\/p>\n<p>\u5c06\u5143\u7d20\u4e0e\u5176\u76f8\u90bb\u5143\u7d20\u76f8\u52a0\uff0c\u5e76\u5b58\u50a8\u5728\u4e34\u65f6\u53d8\u91cf\u4e2d\u3002<\/p>\n<pre>int sum = matrix[i][j] + matrix[top][j] + matrix[bottom][j] + matrix[i][left] + matrix[i][right];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u66f4\u65b0\u5143\u7d20<\/strong><\/p>\n<p>\u5c06\u76f8\u52a0\u7ed3\u679c\u66f4\u65b0\u5230\u539f\u5143\u7d20\u4e2d\u3002<\/p>\n<pre>matrix[i][j] = sum;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\u4ee3\u7801<\/strong><\/p>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5bf9\u4e8c\u7ef4\u6570\u7ec4\u7684\u76f8\u90bb\u5143\u7d20\u6c42\u548c\uff1a<\/p>\n<pre>import java.util.Arrays;\n\npublic class AdjacentSum {\n    public static void main(String[] args) {\n        int[][] matrix = {\n            {1, 2, 3},\n            {4, 5, 6},\n            {7, 8, 9}\n        };\n\n        for (int i = 0; i &lt; matrix.length; i++) {\n            for (int j = 0; j &lt; matrix[0].length; j++) {\n                \/\/ \u67e5\u627e\u76f8\u90bb\u5143\u7d20\n                int left = j - 1;\n                int right = j + 1;\n                int top = i - 1;\n                int bottom = i + 1;\n\n                \/\/ \u68c0\u67e5\u8fb9\u7f18\u5143\u7d20\u7684\u8fb9\u754c\n                if (left &lt; 0) left = 0;\n                if (right &gt;= matrix[0].length) right = matrix[0].length - 1;\n                if (top &lt; 0) top = 0;\n                if (bottom &gt;= matrix.length) bottom = matrix.length - 1;\n\n                \/\/ \u76f8\u52a0\n                int sum = matrix[i][j] + matrix[top][j] + matrix[bottom][j] + matrix[i][left] + matrix[i][right];\n\n                \/\/ \u66f4\u65b0\u5143\u7d20\n                matrix[i][j] = sum;\n            }\n        }\n\n        \/\/ \u6253\u5370\u7ed3\u679c\n        for (int[] row : matrix) {\n            System.out.println(Arrays.toString(row));\n        }\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u76f8\u90bb\u76f8\u52a0\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":"<p>\u5728 java \u4e2d\uff0c\u5bf9\u4e8c\u7ef4\u6570\u7ec4\u76f8\u90bb\u5143\u7d20\u6c42\u548c\u7684\u6b65\u9aa4\u5305\u62ec\uff1a\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u67e5\u627e\u76f8\u90bb\u5143\u7d20\uff1b\u5c06\u5143\u7d20\u4e0e\u76f8\u90bb\u5143\u7d20\u76f8\u52a0\u5e76\u5b58\u50a8\u5728\u4e34\u65f6\u53d8\u91cf\u4e2d\uff1b\u5c06\u76f8\u52a0\u7ed3\u679c\u66f4\u65b0\u5230\u539f\u5143\u7d20\u4e2d\u3002 Java \u4e8c\u7ef4\u6570\u7ec4\u76f8\u90bb\u5143\u7d20\u76f8\u52a0 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u5bf9\u4e8c\u7ef4\u6570\u7ec4\u7684\u76f8\u90bb\u5143\u7d20\u8fdb\u884c\u76f8\u52a0\uff1a 1. \u904d\u5386\u4e8c\u7ef4\u6570\u7ec4 \u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u7684\u6240\u6709\u5143\u7d20\u3002\u5916\u5c42\u5faa\u73af\u904d\u5386\u884c\uff0c\u5185\u5c42\u5faa\u73af\u904d\u5386\u5217\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b for (int i = 0; i &lt; matrix.length; i++) { for (int j = 0; j &lt; matrix[0].length; j++) { \/\/ \u8fd9\u91cc\u653e\u7f6e\u5bf9\u5143\u7d20\u7684\u5904\u7406\u903b\u8f91 } } \u767b\u5f55\u540e\u590d\u5236 2. \u67e5\u627e\u76f8\u90bb\u5143\u7d20 \u5bf9\u4e8e\u6bcf\u4e2a\u5143\u7d20\uff0c\u67e5\u627e\u5176\u4e0a\u4e0b\u5de6\u53f3\u7684\u76f8\u90bb\u5143\u7d20\u3002\u5bf9\u4e8e\u8fb9\u7f18\u5143\u7d20\uff0c\u4e0d\u5b58\u5728\u67d0\u4e9b\u76f8\u90bb\u5143\u7d20\uff0c\u9700\u8981\u8fdb\u884c\u7279\u6b8a\u5904\u7406\u3002 int left = j &#8211; 1; int right = j + 1; int top = [&hellip;]<\/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-38359","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38359","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=38359"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38359\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38359"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38359"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38359"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}