{"id":66932,"date":"2025-05-03T14:33:35","date_gmt":"2025-05-03T06:33:35","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66932\/"},"modified":"2025-05-03T14:33:35","modified_gmt":"2025-05-03T06:33:35","slug":"java%e6%80%8e%e4%b9%88%e5%8e%bb%e6%8e%89%e6%95%b0%e7%bb%84%e4%b8%ad%e7%9a%84%e4%b8%80%e4%b8%aa%e5%85%83%e7%b4%a0-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66932\/","title":{"rendered":"java\u600e\u4e48\u53bb\u6389\u6570\u7ec4\u4e2d\u7684\u4e00\u4e2a\u5143\u7d20"},"content":{"rendered":"<blockquote><p>\n  \u4ece java \u6570\u7ec4\u4e2d\u79fb\u9664\u5143\u7d20\u6709\u4e09\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528\u6570\u7ec4\u62f7\u8d1d\u521b\u5efa\u65b0\u6570\u7ec4\uff0c\u4e0d\u5305\u542b\u8981\u79fb\u9664\u7684\u5143\u7d20\u3002\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a java.util.list\uff0c\u4f7f\u7528 remove() \u65b9\u6cd5\u79fb\u9664\u5143\u7d20\uff0c\u7136\u540e\u5c06\u5176\u8f6c\u6362\u56de\u6570\u7ec4\u3002\u5bf9\u4e8e\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\uff0c\u4f7f\u7528\u4f4d\u64cd\u4f5c\u6807\u8bb0\u8981\u79fb\u9664\u7684\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/17\/2024111719304689774.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u53bb\u6389\u6570\u7ec4\u4e2d\u7684\u4e00\u4e2a\u5143\u7d20\u63d2\u56fe\" alt=\"java\u600e\u4e48\u53bb\u6389\u6570\u7ec4\u4e2d\u7684\u4e00\u4e2a\u5143\u7d20\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4ece Java \u6570\u7ec4\u4e2d\u79fb\u9664\u5143\u7d20<\/strong><\/p>\n<p>Java \u6570\u7ec4\u662f\u4e00\u79cd\u56fa\u5b9a\u5927\u5c0f\u7684\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u6570\u636e\u7c7b\u578b\u7684\u5143\u7d20\u3002\u8981\u4ece Java \u6570\u7ec4\u4e2d\u79fb\u9664\u4e00\u4e2a\u5143\u7d20\uff0c\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u7528\u3002<\/p>\n<p><strong>\u4f7f\u7528\u6570\u7ec4\u62f7\u8d1d<\/strong><\/p>\n<p>\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5176\u4e2d\u4e0d\u5305\u542b\u8981\u79fb\u9664\u7684\u5143\u7d20\u3002\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 System.arraycopy() \u65b9\u6cd5\u5b9e\u73b0\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] originalArray = {1, 2, 3, 4, 5};\nint elementToRemove = 3;\n\n\/\/ \u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u4e0d\u5305\u542b\u8981\u79fb\u9664\u7684\u5143\u7d20\nint[] newArray = new int[originalArray.length - 1];\nSystem.arraycopy(originalArray, 0, newArray, 0, elementToRemove - 1);\nSystem.arraycopy(originalArray, elementToRemove + 1, newArray, elementToRemove, originalArray.length - elementToRemove - 1);\n\n\/\/ \u8f93\u51fa\u65b0\u6570\u7ec4\nfor (int num : newArray) {\n    System.out.println(num);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528 java.util.List<\/strong><\/p>\n<p>\u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a java.util.List\uff0c\u5b83\u63d0\u4f9b\u8bf8\u5982 remove() \u7b49\u64cd\u4f5c\u6765\u79fb\u9664\u5143\u7d20\uff1a<\/p>\n<pre>int[] originalArray = {1, 2, 3, 4, 5};\nint elementToRemove = 3;\n\n\/\/ \u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a List\nList&lt;Integer&gt; list = Arrays.asList(originalArray);\n\n\/\/ \u79fb\u9664\u5143\u7d20\nlist.remove(elementToRemove - 1); \/\/ \u7d22\u5f15\u4ece 0 \u5f00\u59cb\n\n\/\/ \u5c06 List \u8f6c\u6362\u56de\u6570\u7ec4\nnewArray = list.stream().mapToInt(Integer::intValue).toArray();\n\n\/\/ \u8f93\u51fa\u65b0\u6570\u7ec4\nfor (int num : newArray) {\n    System.out.println(num);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528\u4f4d\u64cd\u4f5c<\/strong><\/p>\n<p>\u5bf9\u4e8e\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\uff08\u4f8b\u5982 int[]\uff09\uff0c\u53ef\u4ee5\u4f7f\u7528\u4f4d\u64cd\u4f5c\u6765\u6807\u8bb0\u8981\u79fb\u9664\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff0c\u8981\u79fb\u9664\u7d22\u5f15\u4e3a 2 \u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u64cd\u4f5c\uff1a<\/p>\n<pre>int[] originalArray = {1, 2, 3, 4, 5};\nint elementToRemove = 2;\n\n\/\/ \u5c06\u8be5\u5143\u7d20\u7684\u4f4d\u6807\u8bb0\u4e3a 1\noriginalArray[elementToRemove - 1] |= 1 &lt;&lt; 31;\n\n\/\/ \u5faa\u73af\u6570\u7ec4\uff0c\u5e76\u4ec5\u6253\u5370\u672a\u6807\u8bb0\u7684\u5143\u7d20\nfor (int num : originalArray) {\n    if ((num &amp; (1 &lt;&lt; 31)) == 0) {\n        System.out.println(num);\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u53bb\u6389\u6570\u7ec4\u4e2d\u7684\u4e00\u4e2a\u5143\u7d20\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>\u4ece java \u6570\u7ec4\u4e2d\u79fb\u9664\u5143\u7d20\u6709\u4e09\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528\u6570\u7ec4\u62f7\u8d1d\u521b\u5efa\u65b0\u6570\u7ec4\uff0c\u4e0d\u5305\u542b\u8981\u79fb\u9664\u7684\u5143\u7d20\u3002\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a java.util.list\uff0c\u4f7f\u7528 remove() \u65b9\u6cd5\u79fb\u9664\u5143\u7d20\uff0c\u7136\u540e\u5c06\u5176\u8f6c\u6362\u56de\u6570\u7ec4\u3002\u5bf9\u4e8e\u57fa\u672c\u7c7b\u578b\u6570\u7ec4\uff0c\u4f7f\u7528\u4f4d\u64cd\u4f5c\u6807\u8bb0\u8981\u79fb\u9664\u7684\u5143\u7d20\u3002 \u5982\u4f55\u4ece Java \u6570\u7ec4\u4e2d\u79fb\u9664\u5143\u7d20 Java \u6570\u7ec4\u662f\u4e00\u79cd\u56fa\u5b9a\u5927\u5c0f\u7684\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5b58\u50a8\u76f8\u540c\u6570\u636e\u7c7b\u578b\u7684\u5143\u7d20\u3002\u8981\u4ece Java \u6570\u7ec4\u4e2d\u79fb\u9664\u4e00\u4e2a\u5143\u7d20\uff0c\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u7528\u3002 \u4f7f\u7528\u6570\u7ec4\u62f7\u8d1d \u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5176\u4e2d\u4e0d\u5305\u542b\u8981\u79fb\u9664\u7684\u5143\u7d20\u3002\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 System.arraycopy() \u65b9\u6cd5\u5b9e\u73b0\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] originalArray = {1, 2, 3, 4, 5}; int elementToRemove = 3; \/\/ \u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u4e0d\u5305\u542b\u8981\u79fb\u9664\u7684\u5143\u7d20 int[] newArray = new int[originalArray.length &#8211; 1]; System.arraycopy(originalArray, 0, newArray, 0, elementToRemove &#8211; 1); System.arraycopy(originalArray, elementToRemove + 1, newArray, elementToRemove, originalArray.length &#8211; elementToRemove [&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-66932","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66932","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=66932"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66932\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66932"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66932"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66932"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}