{"id":39781,"date":"2024-11-26T16:36:00","date_gmt":"2024-11-26T08:36:00","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39781\/"},"modified":"2024-11-26T16:36:00","modified_gmt":"2024-11-26T08:36:00","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e7%bb%99%e4%b8%80%e7%bb%84%e6%95%b0%e7%bb%84%e6%8e%92%e5%ba%8f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39781\/","title":{"rendered":"java\u4e2d\u600e\u4e48\u7ed9\u4e00\u7ec4\u6570\u7ec4\u6392\u5e8f"},"content":{"rendered":"<blockquote><p>\n  \u901a\u8fc7\u4ee5\u4e0b 4 \u4e2a\u6b65\u9aa4\u5bf9\u4e00\u7ec4\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\uff1a1. \u521b\u5efa\u4e00\u4e2a\u5305\u542b\u6570\u7ec4\u7684\u6570\u7ec4\uff1b2. \u4f7f\u7528 arrays.sort() \u65b9\u6cd5\u5bf9\u6570\u7ec4\u6392\u5e8f\uff1b3. \u5c06\u6392\u5e8f\u540e\u7684\u4e00\u7ef4\u6570\u7ec4\u8f6c\u6362\u56de\u6570\u7ec4\u7684\u6570\u7ec4\uff1b4. \u8fd4\u56de\u5df2\u6392\u5e8f\u7684\u6570\u7ec4\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/17\/2024111710043552351.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u600e\u4e48\u7ed9\u4e00\u7ec4\u6570\u7ec4\u6392\u5e8f\u63d2\u56fe\" alt=\"java\u4e2d\u600e\u4e48\u7ed9\u4e00\u7ec4\u6570\u7ec4\u6392\u5e8f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u5bf9\u4e00\u7ec4\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5bf9\u4e00\u7ec4\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\uff1a<\/p>\n<p><strong>1. \u521b\u5efa\u4e00\u4e2a\u5305\u542b\u6570\u7ec4\u7684\u6570\u7ec4<\/strong><\/p>\n<pre>int[][] arr = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528 Arrays.sort() \u65b9\u6cd5<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>Arrays.sort() \u65b9\u6cd5\u53ef\u4ee5\u6839\u636e\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u5bf9\u6570\u7ec4\u6392\u5e8f\u3002\u8981\u5bf9\u6570\u7ec4\u7684\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\uff0c\u9700\u8981\u5c06\u5916\u5c42\u6570\u7ec4\u8f6c\u6362\u4e3a\u4e00\u7ef4\u6570\u7ec4\u3002<\/p>\n<pre>int[] flattenedArr = Arrays.stream(arr)\n        .flatMapToInt(Arrays::stream)\n        .toArray();\n\nArrays.sort(flattenedArr);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u5c06\u6392\u5e8f\u540e\u7684\u4e00\u7ef4\u6570\u7ec4\u8f6c\u6362\u56de\u6570\u7ec4\u7684\u6570\u7ec4<\/strong><\/p>\n<p>\u5bf9\u4e00\u7ef4\u6570\u7ec4\u6392\u5e8f\u540e\uff0c\u9700\u8981\u5c06\u5b83\u8f6c\u6362\u56de\u6570\u7ec4\u7684\u6570\u7ec4\u3002<\/p>\n<pre>int[][] sortedArr = new int[arr.length][arr[0].length];\nint index = 0;\n\nfor (int i = 0; i &lt; arr.length; i++) {\n    for (int j = 0; j &lt; arr[i].length; j++) {\n        sortedArr[i][j] = flattenedArr[index++];\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u8fd4\u56de\u5df2\u6392\u5e8f\u7684\u6570\u7ec4<\/strong><\/p>\n<pre>return sortedArr;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u600e\u4e48\u7ed9\u4e00\u7ec4\u6570\u7ec4\u6392\u5e8f\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>\u901a\u8fc7\u4ee5\u4e0b 4 \u4e2a\u6b65\u9aa4\u5bf9\u4e00\u7ec4\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\uff1a1. \u521b\u5efa\u4e00\u4e2a\u5305\u542b\u6570\u7ec4\u7684\u6570\u7ec4\uff1b2. \u4f7f\u7528 arrays.sort() \u65b9\u6cd5\u5bf9\u6570\u7ec4\u6392\u5e8f\uff1b3. \u5c06\u6392\u5e8f\u540e\u7684\u4e00\u7ef4\u6570\u7ec4\u8f6c\u6362\u56de\u6570\u7ec4\u7684\u6570\u7ec4\uff1b4. \u8fd4\u56de\u5df2\u6392\u5e8f\u7684\u6570\u7ec4\u3002 \u5982\u4f55\u5728 Java \u4e2d\u5bf9\u4e00\u7ec4\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5bf9\u4e00\u7ec4\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\uff1a 1. \u521b\u5efa\u4e00\u4e2a\u5305\u542b\u6570\u7ec4\u7684\u6570\u7ec4 int[][] arr = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}}; \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528 Arrays.sort() \u65b9\u6cd5 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b Arrays.sort() \u65b9\u6cd5\u53ef\u4ee5\u6839\u636e\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u5bf9\u6570\u7ec4\u6392\u5e8f\u3002\u8981\u5bf9\u6570\u7ec4\u7684\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\uff0c\u9700\u8981\u5c06\u5916\u5c42\u6570\u7ec4\u8f6c\u6362\u4e3a\u4e00\u7ef4\u6570\u7ec4\u3002 int[] flattenedArr = Arrays.stream(arr) .flatMapToInt(Arrays::stream) .toArray(); Arrays.sort(flattenedArr); \u767b\u5f55\u540e\u590d\u5236 3. \u5c06\u6392\u5e8f\u540e\u7684\u4e00\u7ef4\u6570\u7ec4\u8f6c\u6362\u56de\u6570\u7ec4\u7684\u6570\u7ec4 \u5bf9\u4e00\u7ef4\u6570\u7ec4\u6392\u5e8f\u540e\uff0c\u9700\u8981\u5c06\u5b83\u8f6c\u6362\u56de\u6570\u7ec4\u7684\u6570\u7ec4\u3002 int[][] sortedArr = new int[arr.length][arr[0].length]; int index [&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-39781","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39781","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=39781"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39781\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39781"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39781"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39781"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}