{"id":65682,"date":"2025-05-03T15:13:56","date_gmt":"2025-05-03T07:13:56","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65682\/"},"modified":"2025-05-03T15:13:56","modified_gmt":"2025-05-03T07:13:56","slug":"java-%e6%80%8e%e4%b9%88%e6%88%aa%e5%8f%96%e6%95%b0%e7%bb%84%e5%89%8d%e9%83%a8%e5%88%86-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65682\/","title":{"rendered":"java \u600e\u4e48\u622a\u53d6\u6570\u7ec4\u524d\u90e8\u5206"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 arrays.copyofrange(arr, 0, end) \u65b9\u6cd5\u622a\u53d6\u6570\u7ec4\u7684\u524d end \u4e2a\u5143\u7d20\uff0c\u5176\u4e2d arr \u4e3a\u539f\u59cb\u6570\u7ec4\uff0c0 \u4e3a\u8d77\u59cb\u7d22\u5f15\uff0cend \u4e3a\u4e0d\u5305\u62ec\u5728\u5185\u7684\u7ed3\u675f\u7d22\u5f15\u3002\u793a\u4f8b\uff1aint[] arr = {1, 2, 3, 4, 5}\uff0csubarray = arrays.copyofrange(arr, 0, 3) \u5c06\u622a\u53d6\u524d\u4e09\u4e2a\u5143\u7d20 {1, 2, 3}\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111307151654056.jpg\" class=\"aligncenter\" title=\"java \u600e\u4e48\u622a\u53d6\u6570\u7ec4\u524d\u90e8\u5206\u63d2\u56fe\" alt=\"java \u600e\u4e48\u622a\u53d6\u6570\u7ec4\u524d\u90e8\u5206\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528 Java \u622a\u53d6\u6570\u7ec4\u524d\u90e8\u5206<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u622a\u53d6\u6570\u7ec4\u7684\u524d\u90e8\u5206\uff1a<\/p>\n<p><strong>Arrays.copyOfRange(arr, 0, end)<\/strong><\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li>arr \u662f\u8981\u622a\u53d6\u7684\u539f\u59cb\u6570\u7ec4\u3002<\/li>\n<li>0 \u662f\u622a\u53d6\u7684\u8d77\u59cb\u7d22\u5f15\uff08\u5305\u62ec\uff09\u3002<\/li>\n<li>end \u662f\u622a\u53d6\u7684\u7ed3\u675f\u7d22\u5f15\uff08\u4e0d\u5305\u62ec\uff09\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\nint[] subArray = Arrays.copyOfRange(arr, 0, 3); \/\/ \u622a\u53d6\u524d\u4e09\u4e2a\u5143\u7d20\n\n\/\/ \u8f93\u51fa\u5b50\u6570\u7ec4\nfor (int i : subArray) {\n    System.out.print(i + \" \");\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8f93\u51fa\uff1a<\/strong><\/p>\n<pre>1 2 3<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<ul>\n<li>\u5982\u679c end \u5927\u4e8e\u6570\u7ec4\u957f\u5ea6\uff0c\u5c06\u629b\u51fa IndexOutOfBoundsException\u3002<\/li>\n<li>\u5982\u679c end \u5c0f\u4e8e\u6216\u7b49\u4e8e 0\uff0c\u5c06\u8fd4\u56de\u4e00\u4e2a\u7a7a\u6570\u7ec4\u3002<\/li>\n<li>\u8fd4\u56de\u7684\u6570\u7ec4\u662f\u539f\u59cb\u6570\u7ec4\u7684\u4e00\u90e8\u5206\u526f\u672c\uff0c\u5bf9\u5b50\u6570\u7ec4\u7684\u4efb\u4f55\u66f4\u6539\u4e0d\u4f1a\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava \u600e\u4e48\u622a\u53d6\u6570\u7ec4\u524d\u90e8\u5206\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 java \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 arrays.copyofrange(arr, 0, end) \u65b9\u6cd5\u622a\u53d6\u6570\u7ec4\u7684\u524d end \u4e2a\u5143\u7d20\uff0c\u5176\u4e2d arr \u4e3a\u539f\u59cb\u6570\u7ec4\uff0c0 \u4e3a\u8d77\u59cb\u7d22\u5f15\uff0cend \u4e3a\u4e0d\u5305\u62ec\u5728\u5185\u7684\u7ed3\u675f\u7d22\u5f15\u3002\u793a\u4f8b\uff1aint[] arr = {1, 2, 3, 4, 5}\uff0csubarray = arrays.copyofrange(arr, 0, 3) \u5c06\u622a\u53d6\u524d\u4e09\u4e2a\u5143\u7d20 {1, 2, 3}\u3002 \u5982\u4f55\u4f7f\u7528 Java \u622a\u53d6\u6570\u7ec4\u524d\u90e8\u5206 \u5728 Java \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u622a\u53d6\u6570\u7ec4\u7684\u524d\u90e8\u5206\uff1a Arrays.copyOfRange(arr, 0, end) \u5176\u4e2d\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b arr \u662f\u8981\u622a\u53d6\u7684\u539f\u59cb\u6570\u7ec4\u3002 0 \u662f\u622a\u53d6\u7684\u8d77\u59cb\u7d22\u5f15\uff08\u5305\u62ec\uff09\u3002 end \u662f\u622a\u53d6\u7684\u7ed3\u675f\u7d22\u5f15\uff08\u4e0d\u5305\u62ec\uff09\u3002 \u793a\u4f8b\uff1a int[] arr = {1, 2, 3, 4, 5}; 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-65682","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65682","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=65682"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65682\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65682"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65682"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65682"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}