{"id":64203,"date":"2025-05-03T10:37:38","date_gmt":"2025-05-03T02:37:38","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64203\/"},"modified":"2025-05-03T10:37:38","modified_gmt":"2025-05-03T02:37:38","slug":"java%e6%80%8e%e4%b9%88%e7%bb%99%e6%95%b0%e7%bb%84%e5%8e%bb%e6%8e%89%e4%b8%80%e5%8d%8a-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64203\/","title":{"rendered":"java\u600e\u4e48\u7ed9\u6570\u7ec4\u53bb\u6389\u4e00\u534a"},"content":{"rendered":"<blockquote><p>\n  \u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u7528 java \u53bb\u6389\u6570\u7ec4\u4e00\u534a\uff1a\u521b\u5efa\u6570\u7ec4\u3001\u8ba1\u7b97\u8981\u5220\u9664\u5143\u7d20\u6570\u91cf\u3001\u521b\u5efa\u65b0\u6570\u7ec4\u3001\u590d\u5236\u5143\u7d20\u5230\u65b0\u6570\u7ec4\u3002\u6267\u884c\u540e\uff0c\u65b0\u6570\u7ec4\u5305\u542b\u539f\u59cb\u6570\u7ec4\u4e2d\u53bb\u6389\u4e00\u534a\u5143\u7d20\u540e\u7684\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/02\/2024110218191571481.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u7ed9\u6570\u7ec4\u53bb\u6389\u4e00\u534a\u63d2\u56fe\" alt=\"java\u600e\u4e48\u7ed9\u6570\u7ec4\u53bb\u6389\u4e00\u534a\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u7528 Java \u53bb\u6389\u6570\u7ec4\u4e00\u534a<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u53bb\u6389\u6570\u7ec4\u4e00\u534a\uff1a<\/p>\n<p><strong>1. \u521b\u5efa\u4e00\u4e2a\u6570\u7ec4<\/strong><\/p>\n<p>\u9996\u5148\uff0c\u521b\u5efa\u4e00\u4e2a\u8981\u64cd\u4f5c\u7684\u6570\u7ec4\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] array = {1, 2, 3, 4, 5, 6};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u8ba1\u7b97\u8981\u5220\u9664\u5143\u7d20\u7684\u6570\u91cf<\/strong><\/p>\n<p>\u8ba1\u7b97\u6570\u7ec4\u4e2d\u8981\u5220\u9664\u5143\u7d20\u7684\u6570\u91cf\u3002\u672c\u4f8b\u4e2d\uff0c\u6211\u4eec\u8981\u53bb\u6389\u4e00\u534a\uff0c\u56e0\u6b64\u8981\u5220\u9664\u7684\u5143\u7d20\u6570\u91cf\u4e3a\uff1a<\/p>\n<pre>int numToRemove = array.length \/ 2;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4<\/strong><\/p>\n<p>\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5927\u5c0f\u4e3a\u539f\u59cb\u6570\u7ec4\u7684\u4e00\u534a\uff1a<\/p>\n<pre>int[] newArray = new int[array.length - numToRemove];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u590d\u5236\u5143\u7d20\u5230\u65b0\u6570\u7ec4<\/strong><\/p>\n<p>\u4f7f\u7528 System.arraycopy() \u65b9\u6cd5\u5c06\u539f\u59cb\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u590d\u5236\u5230\u65b0\u6570\u7ec4\u4e2d\uff0c\u4ece\u539f\u59cb\u6570\u7ec4\u7684 index 0 \u5f00\u59cb\uff0c\u590d\u5236 newArray.length \u4e2a\u5143\u7d20\uff1a<\/p>\n<pre>System.arraycopy(array, 0, newArray, 0, newArray.length);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u7ed3\u679c<\/strong><\/p>\n<p>\u6267\u884c\u4e0a\u8ff0\u6b65\u9aa4\u540e\uff0cnewArray \u5c06\u5305\u542b\u539f\u59cb\u6570\u7ec4\u4e2d\u53bb\u6389\u4e00\u534a\u5143\u7d20\u540e\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u4e0a\u9762\u7684\u793a\u4f8b\u6570\u7ec4\uff0cnewArray \u5c06\u5305\u542b\u4ee5\u4e0b\u5143\u7d20\uff1a<\/p>\n<pre>[1, 2, 3]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u7ed9\u6570\u7ec4\u53bb\u6389\u4e00\u534a\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>\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u7528 java \u53bb\u6389\u6570\u7ec4\u4e00\u534a\uff1a\u521b\u5efa\u6570\u7ec4\u3001\u8ba1\u7b97\u8981\u5220\u9664\u5143\u7d20\u6570\u91cf\u3001\u521b\u5efa\u65b0\u6570\u7ec4\u3001\u590d\u5236\u5143\u7d20\u5230\u65b0\u6570\u7ec4\u3002\u6267\u884c\u540e\uff0c\u65b0\u6570\u7ec4\u5305\u542b\u539f\u59cb\u6570\u7ec4\u4e2d\u53bb\u6389\u4e00\u534a\u5143\u7d20\u540e\u7684\u5143\u7d20\u3002 \u5982\u4f55\u7528 Java \u53bb\u6389\u6570\u7ec4\u4e00\u534a \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u53bb\u6389\u6570\u7ec4\u4e00\u534a\uff1a 1. \u521b\u5efa\u4e00\u4e2a\u6570\u7ec4 \u9996\u5148\uff0c\u521b\u5efa\u4e00\u4e2a\u8981\u64cd\u4f5c\u7684\u6570\u7ec4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] array = {1, 2, 3, 4, 5, 6}; \u767b\u5f55\u540e\u590d\u5236 2. \u8ba1\u7b97\u8981\u5220\u9664\u5143\u7d20\u7684\u6570\u91cf \u8ba1\u7b97\u6570\u7ec4\u4e2d\u8981\u5220\u9664\u5143\u7d20\u7684\u6570\u91cf\u3002\u672c\u4f8b\u4e2d\uff0c\u6211\u4eec\u8981\u53bb\u6389\u4e00\u534a\uff0c\u56e0\u6b64\u8981\u5220\u9664\u7684\u5143\u7d20\u6570\u91cf\u4e3a\uff1a int numToRemove = array.length \/ 2; \u767b\u5f55\u540e\u590d\u5236 3. \u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4 \u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5927\u5c0f\u4e3a\u539f\u59cb\u6570\u7ec4\u7684\u4e00\u534a\uff1a int[] newArray = new int[array.length &#8211; numToRemove]; \u767b\u5f55\u540e\u590d\u5236 4. \u590d\u5236\u5143\u7d20\u5230\u65b0\u6570\u7ec4 \u4f7f\u7528 System.arraycopy() \u65b9\u6cd5\u5c06\u539f\u59cb\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u590d\u5236\u5230\u65b0\u6570\u7ec4\u4e2d\uff0c\u4ece\u539f\u59cb\u6570\u7ec4\u7684 index 0 \u5f00\u59cb\uff0c\u590d\u5236 newArray.length \u4e2a\u5143\u7d20\uff1a System.arraycopy(array, [&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-64203","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64203","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=64203"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64203\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64203"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64203"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64203"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}