{"id":39479,"date":"2024-11-26T16:52:10","date_gmt":"2024-11-26T08:52:10","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39479\/"},"modified":"2024-11-26T16:52:10","modified_gmt":"2024-11-26T08:52:10","slug":"java%e6%80%8e%e4%b9%88%e5%88%a0%e9%99%a4%e6%95%b0%e7%bb%84%e6%8c%87%e5%ae%9a%e7%9a%84%e5%80%bc","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39479\/","title":{"rendered":"java\u600e\u4e48\u5220\u9664\u6570\u7ec4\u6307\u5b9a\u7684\u503c"},"content":{"rendered":"<blockquote><p>\n  \u5728java\u4e2d\u5220\u9664\u6570\u7ec4\u6307\u5b9a\u503c\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528arrays.copyofrange()\u65b9\u6cd5\u6216\u624b\u52a8\u904d\u5386\u548c\u590d\u5236\u3002\u793a\u4f8b\u4e2d\uff0c\u5220\u9664\u6570\u7ec4[1, 2, 3, 4, 5]\u4e2d\u76843\uff0carrays.copyofrange()\u65b9\u6cd5\u8fd4\u56de\u6570\u7ec4[1, 2]\uff0c\u624b\u52a8\u904d\u5386\u548c\u590d\u5236\u65b9\u6cd5\u8fd4\u56de\u6570\u7ec4[1, 2, 4, 5]\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111611314076366.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5220\u9664\u6570\u7ec4\u6307\u5b9a\u7684\u503c\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5220\u9664\u6570\u7ec4\u6307\u5b9a\u7684\u503c\u63d2\u56fe\" \/><\/p>\n<p><strong>Java\u4e2d\u5220\u9664\u6570\u7ec4\u6307\u5b9a\u503c<\/strong><\/p>\n<p>Java\u4e2d\u5220\u9664\u6570\u7ec4\u6307\u5b9a\u503c\u7684\u65b9\u6cd5\u6709\u4e24\u79cd\uff1a<\/p>\n<p><strong>\u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528Arrays.copyOfRange()\u65b9\u6cd5<\/strong><\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\nint[] newArr = Arrays.copyOfRange(arr, 0, 3); \/\/ \u4ece\u7d22\u5f150\u52303\uff08\u4e0d\u5305\u62ec3\uff09<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u65b9\u6cd5\u4e8c\uff1a\u624b\u52a8\u904d\u5386\u548c\u590d\u5236<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] arr = {1, 2, 3, 4, 5};\nint[] newArr = new int[arr.length - 1];\nint index = 0;\nfor (int i = 0; i &lt; arr.length; i++) {\n    if (arr[i] != \u6307\u5b9a\u7684\u503c) {\n        newArr[index++] = arr[i];\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p>\u5047\u8bbe\u539f\u6570\u7ec4\u4e3a[1, 2, 3, 4, 5]\uff0c\u73b0\u5728\u8981\u5220\u9664\u5176\u4e2d\u76843\uff1a<\/p>\n<pre>\/\/ \u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528Arrays.copyOfRange()\u65b9\u6cd5\nint[] newArr = Arrays.copyOfRange(arr, 0, 2);\n\/\/ newArr = [1, 2]\n\n\/\/ \u65b9\u6cd5\u4e8c\uff1a\u624b\u52a8\u904d\u5386\u548c\u590d\u5236\nint[] newArr = new int[arr.length - 1];\nint index = 0;\nfor (int i = 0; i &lt; arr.length; i++) {\n    if (arr[i] != 3) {\n        newArr[index++] = arr[i];\n    }\n}\n\/\/ newArr = [1, 2, 4, 5]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5220\u9664\u6570\u7ec4\u6307\u5b9a\u7684\u503c\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>\u5728java\u4e2d\u5220\u9664\u6570\u7ec4\u6307\u5b9a\u503c\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528arrays.copyofrange()\u65b9\u6cd5\u6216\u624b\u52a8\u904d\u5386\u548c\u590d\u5236\u3002\u793a\u4f8b\u4e2d\uff0c\u5220\u9664\u6570\u7ec4[1, 2, 3, 4, 5]\u4e2d\u76843\uff0carrays.copyofrange()\u65b9\u6cd5\u8fd4\u56de\u6570\u7ec4[1, 2]\uff0c\u624b\u52a8\u904d\u5386\u548c\u590d\u5236\u65b9\u6cd5\u8fd4\u56de\u6570\u7ec4[1, 2, 4, 5]\u3002 Java\u4e2d\u5220\u9664\u6570\u7ec4\u6307\u5b9a\u503c Java\u4e2d\u5220\u9664\u6570\u7ec4\u6307\u5b9a\u503c\u7684\u65b9\u6cd5\u6709\u4e24\u79cd\uff1a \u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528Arrays.copyOfRange()\u65b9\u6cd5 int[] arr = {1, 2, 3, 4, 5}; int[] newArr = Arrays.copyOfRange(arr, 0, 3); \/\/ \u4ece\u7d22\u5f150\u52303\uff08\u4e0d\u5305\u62ec3\uff09 \u767b\u5f55\u540e\u590d\u5236 \u65b9\u6cd5\u4e8c\uff1a\u624b\u52a8\u904d\u5386\u548c\u590d\u5236 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] arr = {1, 2, 3, 4, 5}; int[] newArr = new int[arr.length &#8211; 1]; int index = 0; for (int i = 0; [&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-39479","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39479","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=39479"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39479\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39479"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39479"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39479"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}