{"id":38588,"date":"2024-11-26T13:22:55","date_gmt":"2024-11-26T05:22:55","guid":{"rendered":"https:\/\/fwq.ai\/blog\/38588\/"},"modified":"2024-11-26T13:22:55","modified_gmt":"2024-11-26T05:22:55","slug":"java%e4%b8%a4%e7%bb%84%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e6%8e%92%e5%ba%8f%e8%be%93%e5%87%ba","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/38588\/","title":{"rendered":"java\u4e24\u7ec4\u6570\u7ec4\u600e\u4e48\u6392\u5e8f\u8f93\u51fa"},"content":{"rendered":"<blockquote><p>\n  \u5bf9\u4e24\u7ec4\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\u8f93\u51fa\u53ef\u4ee5\u4f7f\u7528 java \u4e2d\u7684 arrays.sort() \u65b9\u6cd5\u548c comparator \u63a5\u53e3\uff1a1. \u4f7f\u7528 arrays.sort() \u5bf9\u6bcf\u4e2a\u6570\u7ec4\u5347\u5e8f\u6392\u5217\uff1b2. \u521b\u5efa\u6bd4\u8f83\u5668\uff0c\u5b9a\u4e49\u6570\u7ec4\u5143\u7d20\u6bd4\u8f83\u884c\u4e3a\uff1b3. \u4f7f\u7528\u6bd4\u8f83\u5668\u5bf9\u6570\u7ec4\u6392\u5e8f\uff1b4. \u5408\u5e76\u6392\u5e8f\u540e\u7684\u6570\u7ec4\uff1b5. \u8f93\u51fa\u5408\u5e76\u540e\u7684\u6392\u5e8f\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/15\/2024111503335153981.jpg\" class=\"aligncenter\" title=\"java\u4e24\u7ec4\u6570\u7ec4\u600e\u4e48\u6392\u5e8f\u8f93\u51fa\u63d2\u56fe\" alt=\"java\u4e24\u7ec4\u6570\u7ec4\u600e\u4e48\u6392\u5e8f\u8f93\u51fa\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5bf9\u4e24\u7ec4\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\u8f93\u51fa<\/strong><\/p>\n<p><strong>\u5f00\u95e8\u89c1\u5c71\uff1a<\/strong><br \/>\u8981\u5bf9\u4e24\u7ec4\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\u8f93\u51fa\uff0c\u53ef\u4ee5\u4f7f\u7528Java\u4e2d\u7684 Arrays.sort() \u65b9\u6cd5\u548c Comparator \u63a5\u53e3\u3002<\/p>\n<p><strong>\u8be6\u7ec6\u5c55\u5f00\uff1a<\/strong><\/p>\n<p><strong>1. \u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li>\u4f7f\u7528 Arrays.sort() \u65b9\u6cd5\u5bf9\u6bcf\u4e2a\u6570\u7ec4\u8fdb\u884c\u5347\u5e8f\u3002<\/li>\n<\/ul>\n<p><strong>2. \u521b\u5efa\u6bd4\u8f83\u5668<\/strong><\/p>\n<ul>\n<li>\u5b9e\u73b0 Comparator \u63a5\u53e3\uff0c\u81ea\u5b9a\u4e49\u6570\u7ec4\u5143\u7d20\u6bd4\u8f83\u7684\u884c\u4e3a\u3002\u5728\u8fd9\u91cc\uff0c\u9700\u8981\u6bd4\u8f83\u4e24\u4e2a\u5143\u7d20\u7684\u67d0\u4e2a\u5c5e\u6027\u3002<\/li>\n<\/ul>\n<p><strong>3. \u4f7f\u7528\u6bd4\u8f83\u5668\u5bf9\u6570\u7ec4\u6392\u5e8f<\/strong><\/p>\n<ul>\n<li>\u5c06\u81ea\u5b9a\u4e49\u7684\u6bd4\u8f83\u5668\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9 Arrays.sort() \u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<p><strong>4. \u5408\u5e76\u6570\u7ec4<\/strong><\/p>\n<ul>\n<li>\u5c06\u6392\u597d\u5e8f\u7684\u4e24\u7ec4\u6570\u7ec4\u5408\u5e76\u6210\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\u3002<\/li>\n<\/ul>\n<p><strong>5. \u8f93\u51fa\u5408\u5e76\u540e\u7684\u6570\u7ec4<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528\u904d\u5386\u6216\u5176\u4ed6\u65b9\u6cd5\u8f93\u51fa\u65b0\u6570\u7ec4\u4e2d\u6392\u5e8f\u540e\u7684\u5143\u7d20\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n<pre>\/\/ \u4e24\u4e2a\u6570\u7ec4\nint[] arr1 = {5, 2, 8, 3, 1};\nint[] arr2 = {7, 9, 6, 4, 0};\n\n\/\/ \u5b9a\u4e49\u6bd4\u8f83\u5668\nComparator&lt;Integer&gt; comparator = new Comparator&lt;Integer&gt;() {\n    @Override\n    public int compare(Integer o1, Integer o2) {\n        return o1 - o2;\n    }\n};\n\n\/\/ \u5bf9\u6570\u7ec4\u6392\u5e8f\nArrays.sort(arr1, comparator);\nArrays.sort(arr2, comparator);\n\n\/\/ \u5408\u5e76\u6570\u7ec4\nint[] mergedArray = new int[arr1.length + arr2.length];\nSystem.arraycopy(arr1, 0, mergedArray, 0, arr1.length);\nSystem.arraycopy(arr2, 0, mergedArray, arr1.length, arr2.length);\n\n\/\/ \u8f93\u51fa\u6392\u5e8f\u540e\u7684\u5143\u7d20\nfor (int element : mergedArray) {\n    System.out.println(element);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8f93\u51fa\u7ed3\u679c\uff1a<\/strong><\/p>\n<pre>0\n1\n2\n3\n4\n5\n6\n7\n8\n9<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e24\u7ec4\u6570\u7ec4\u600e\u4e48\u6392\u5e8f\u8f93\u51fa\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>\u5bf9\u4e24\u7ec4\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\u8f93\u51fa\u53ef\u4ee5\u4f7f\u7528 java \u4e2d\u7684 arrays.sort() \u65b9\u6cd5\u548c comparator \u63a5\u53e3\uff1a1. \u4f7f\u7528 arrays.sort() \u5bf9\u6bcf\u4e2a\u6570\u7ec4\u5347\u5e8f\u6392\u5217\uff1b2. \u521b\u5efa\u6bd4\u8f83\u5668\uff0c\u5b9a\u4e49\u6570\u7ec4\u5143\u7d20\u6bd4\u8f83\u884c\u4e3a\uff1b3. \u4f7f\u7528\u6bd4\u8f83\u5668\u5bf9\u6570\u7ec4\u6392\u5e8f\uff1b4. \u5408\u5e76\u6392\u5e8f\u540e\u7684\u6570\u7ec4\uff1b5. \u8f93\u51fa\u5408\u5e76\u540e\u7684\u6392\u5e8f\u5143\u7d20\u3002 \u5982\u4f55\u5bf9\u4e24\u7ec4\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\u8f93\u51fa \u5f00\u95e8\u89c1\u5c71\uff1a\u8981\u5bf9\u4e24\u7ec4\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f\u8f93\u51fa\uff0c\u53ef\u4ee5\u4f7f\u7528Java\u4e2d\u7684 Arrays.sort() \u65b9\u6cd5\u548c Comparator \u63a5\u53e3\u3002 \u8be6\u7ec6\u5c55\u5f00\uff1a 1. \u5bf9\u6570\u7ec4\u8fdb\u884c\u6392\u5e8f \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4f7f\u7528 Arrays.sort() \u65b9\u6cd5\u5bf9\u6bcf\u4e2a\u6570\u7ec4\u8fdb\u884c\u5347\u5e8f\u3002 2. \u521b\u5efa\u6bd4\u8f83\u5668 \u5b9e\u73b0 Comparator \u63a5\u53e3\uff0c\u81ea\u5b9a\u4e49\u6570\u7ec4\u5143\u7d20\u6bd4\u8f83\u7684\u884c\u4e3a\u3002\u5728\u8fd9\u91cc\uff0c\u9700\u8981\u6bd4\u8f83\u4e24\u4e2a\u5143\u7d20\u7684\u67d0\u4e2a\u5c5e\u6027\u3002 3. \u4f7f\u7528\u6bd4\u8f83\u5668\u5bf9\u6570\u7ec4\u6392\u5e8f \u5c06\u81ea\u5b9a\u4e49\u7684\u6bd4\u8f83\u5668\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9 Arrays.sort() \u65b9\u6cd5\u3002 4. \u5408\u5e76\u6570\u7ec4 \u5c06\u6392\u597d\u5e8f\u7684\u4e24\u7ec4\u6570\u7ec4\u5408\u5e76\u6210\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\u3002 5. \u8f93\u51fa\u5408\u5e76\u540e\u7684\u6570\u7ec4 \u4f7f\u7528\u904d\u5386\u6216\u5176\u4ed6\u65b9\u6cd5\u8f93\u51fa\u65b0\u6570\u7ec4\u4e2d\u6392\u5e8f\u540e\u7684\u5143\u7d20\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a \/\/ \u4e24\u4e2a\u6570\u7ec4 int[] arr1 = {5, 2, 8, 3, 1}; int[] [&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-38588","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38588","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=38588"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/38588\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=38588"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=38588"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=38588"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}