{"id":66994,"date":"2025-05-03T15:49:37","date_gmt":"2025-05-03T07:49:37","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66994\/"},"modified":"2025-05-03T15:49:37","modified_gmt":"2025-05-03T07:49:37","slug":"java%e6%80%8e%e4%b9%88%e5%88%a0%e5%87%8f%e6%95%b0%e7%bb%84%e5%88%b0%e6%9c%80%e5%90%8e%e4%b8%80%e4%b8%aa-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66994\/","title":{"rendered":"java\u600e\u4e48\u5220\u51cf\u6570\u7ec4\u5230\u6700\u540e\u4e00\u4e2a"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4e09\u79cd\u65b9\u5f0f\u5c06\u6570\u7ec4\u5220\u51cf\u5230\u6700\u540e\u4e00\u4e2a\u5143\u7d20\uff1a\u4f7f\u7528 arrays.copyof() \u521b\u5efa\u65b0\u6570\u7ec4\uff0c\u5305\u542b\u524d (originalarray.length &#8211; 1) \u4e2a\u5143\u7d20\u3002\u4f7f\u7528 system.arraycopy() \u521b\u5efa\u65b0\u6570\u7ec4\uff0c\u5305\u542b\u524d (originalarray.length &#8211; 1) \u4e2a\u5143\u7d20\u3002\u521b\u5efa\u65b0\u6570\u7ec4\u5e76\u9010\u4e00\u590d\u5236\u524d (originalarray.length &#8211; 1) \u4e2a\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/17\/2024111722334689011.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5220\u51cf\u6570\u7ec4\u5230\u6700\u540e\u4e00\u4e2a\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5220\u51cf\u6570\u7ec4\u5230\u6700\u540e\u4e00\u4e2a\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5220\u51cf Java \u6570\u7ec4\u5230\u6700\u540e\u4e00\u4e2a\u5143\u7d20\uff1f<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5c06\u6570\u7ec4\u5220\u51cf\u5230\u6700\u540e\u4e00\u4e2a\u5143\u7d20\uff1a<\/p>\n<p><strong>\u65b9\u6cd5 1\uff1a\u4f7f\u7528 Arrays.copyOf()<\/strong><\/p>\n<pre>int[] originalArray = {1, 2, 3, 4, 5};\nint[] trimmedArray = Arrays.copyOf(originalArray, originalArray.length - 1);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4 trimmedArray\uff0c\u5176\u4e2d\u5305\u542b\u4ece\u539f\u59cb\u6570\u7ec4\u4e2d\u590d\u5236\u7684\u524d (originalArray.length &#8211; 1) \u4e2a\u5143\u7d20\uff0c\u5373\u9664\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u4ee5\u5916\u7684\u6240\u6709\u5143\u7d20\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p><strong>\u65b9\u6cd5 2\uff1a\u4f7f\u7528 System.arraycopy()<\/strong><\/p>\n<pre>int[] originalArray = {1, 2, 3, 4, 5};\nint[] trimmedArray = new int[originalArray.length - 1];\nSystem.arraycopy(originalArray, 0, trimmedArray, 0, trimmedArray.length);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4e0e Arrays.copyOf() \u7c7b\u4f3c\uff0c\u8fd9\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4 trimmedArray\uff0c\u5176\u4e2d\u5305\u542b\u4ece\u539f\u59cb\u6570\u7ec4\u4e2d\u590d\u5236\u7684\u524d (originalArray.length &#8211; 1) \u4e2a\u5143\u7d20\u3002<\/p>\n<p><strong>\u65b9\u6cd5 3\uff1a\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4<\/strong><\/p>\n<pre>int[] originalArray = {1, 2, 3, 4, 5};\nint[] trimmedArray = new int[originalArray.length - 1];\n\nfor (int i = 0; i &lt; trimmedArray.length; i++) {\n    trimmedArray[i] = originalArray[i];\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4 trimmedArray\uff0c\u5176\u4e2d\u5305\u542b\u4ece\u539f\u59cb\u6570\u7ec4\u4e2d\u590d\u5236\u7684\u524d (originalArray.length &#8211; 1) \u4e2a\u5143\u7d20\uff0c\u5e76\u5c06\u5176\u9010\u4e00\u8d4b\u503c\u3002<\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u8fd9\u4e09\u4e2a\u65b9\u6cd5\u90fd\u4f1a\u521b\u5efa\u65b0\u6570\u7ec4\uff0c\u56e0\u6b64\u539f\u59cb\u6570\u7ec4\u4e0d\u4f1a\u53d7\u5230\u5f71\u54cd\u3002<\/li>\n<li>\u539f\u59cb\u6570\u7ec4\u7684\u957f\u5ea6\u4e0d\u4f1a\u6539\u53d8\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5220\u51cf\u6570\u7ec4\u5230\u6700\u540e\u4e00\u4e2a\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\u53ef\u4ee5\u901a\u8fc7\u4e09\u79cd\u65b9\u5f0f\u5c06\u6570\u7ec4\u5220\u51cf\u5230\u6700\u540e\u4e00\u4e2a\u5143\u7d20\uff1a\u4f7f\u7528 arrays.copyof() \u521b\u5efa\u65b0\u6570\u7ec4\uff0c\u5305\u542b\u524d (originalarray.length &#8211; 1) \u4e2a\u5143\u7d20\u3002\u4f7f\u7528 system.arraycopy() \u521b\u5efa\u65b0\u6570\u7ec4\uff0c\u5305\u542b\u524d (originalarray.length &#8211; 1) \u4e2a\u5143\u7d20\u3002\u521b\u5efa\u65b0\u6570\u7ec4\u5e76\u9010\u4e00\u590d\u5236\u524d (originalarray.length &#8211; 1) \u4e2a\u5143\u7d20\u3002 \u5982\u4f55\u5220\u51cf Java \u6570\u7ec4\u5230\u6700\u540e\u4e00\u4e2a\u5143\u7d20\uff1f \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u5c06\u6570\u7ec4\u5220\u51cf\u5230\u6700\u540e\u4e00\u4e2a\u5143\u7d20\uff1a \u65b9\u6cd5 1\uff1a\u4f7f\u7528 Arrays.copyOf() int[] originalArray = {1, 2, 3, 4, 5}; int[] trimmedArray = Arrays.copyOf(originalArray, originalArray.length &#8211; 1); \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4 trimmedArray\uff0c\u5176\u4e2d\u5305\u542b\u4ece\u539f\u59cb\u6570\u7ec4\u4e2d\u590d\u5236\u7684\u524d (originalArray.length &#8211; 1) \u4e2a\u5143\u7d20\uff0c\u5373\u9664\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u4ee5\u5916\u7684\u6240\u6709\u5143\u7d20\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u65b9\u6cd5 2\uff1a\u4f7f\u7528 System.arraycopy() 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-66994","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66994","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=66994"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66994\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66994"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66994"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}