{"id":65598,"date":"2025-05-03T16:53:05","date_gmt":"2025-05-03T08:53:05","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65598\/"},"modified":"2025-05-03T16:53:05","modified_gmt":"2025-05-03T08:53:05","slug":"java%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%88%a0%e9%99%a4%e6%9f%90%e4%b8%aa%e5%85%83%e7%b4%a0-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65598\/","title":{"rendered":"java\u6570\u7ec4\u600e\u4e48\u5220\u9664\u67d0\u4e2a\u5143\u7d20"},"content":{"rendered":"

\n \u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\u4ece java \u6570\u7ec4\u4e2d\u5220\u9664\u5143\u7d20\uff1a\u590d\u5236\u6570\u7ec4\uff0c\u53ea\u5305\u542b\u8981\u4fdd\u7559\u7684\u5143\u7d20\u3002\u8986\u76d6\u8981\u5220\u9664\u7684\u5143\u7d20\u4e3a\u9ed8\u8ba4\u503c\u3002\u4f7f\u7528 list \u4ee3\u66ff\u6570\u7ec4\uff0c\u5b83\u5141\u8bb8\u8f7b\u677e\u6dfb\u52a0\u548c\u5220\u9664\u5143\u7d20\u3002\n<\/p><\/blockquote>\n

\"java\u6570\u7ec4\u600e\u4e48\u5220\u9664\u67d0\u4e2a\u5143\u7d20\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u4ece Java \u6570\u7ec4\u4e2d\u5220\u9664\u5143\u7d20<\/strong><\/p>\n

Java \u6570\u7ec4\u662f\u4e00\u79cd\u56fa\u5b9a\u5927\u5c0f\u7684\u6570\u636e\u7ed3\u6784\uff0c\u7528\u6765\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u7684\u6570\u636e\u5143\u7d20\u3002\u5220\u9664\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u5e76\u4e0d\u5bb9\u6613\uff0c\u56e0\u4e3a Java \u6570\u7ec4\u7684\u5927\u5c0f\u662f\u4e0d\u53ef\u53d8\u7684\u3002\u4f46\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5b9e\u73b0\u7c7b\u4f3c\u7684\u6548\u679c\uff1a<\/p>\n

1. \u590d\u5236\u6570\u7ec4<\/strong><\/p>\n

\u5220\u9664\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5e76\u5c06\u6240\u6709\u8981\u4fdd\u7559\u7684\u5143\u7d20\u590d\u5236\u5230\u5176\u4e2d\u3002\u4f7f\u7528 Arrays.copyOf() \u65b9\u6cd5\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u505a\u5230\u8fd9\u4e00\u70b9\uff1a<\/p>\n

\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

int[] originalArray = {1, 2, 3, 4, 5};\nint[] newArray = Arrays.copyOf(originalArray, originalArray.length - 1);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
2. \u8986\u76d6\u5143\u7d20<\/strong><\/p>\n
\u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u4f7f\u7528\u8986\u76d6\u8986\u76d6\u6570\u7ec4\u5143\u7d20\u3002\u8981\u5220\u9664\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ea\u9700\u5c06\u5176\u8986\u76d6\u4e3a\u53e6\u4e00\u4e2a\u5143\u7d20\u5373\u53ef\u3002\u4f8b\u5982\uff0c\u8981\u5220\u9664\u6570\u7ec4\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u5c06\u5176\u8bbe\u7f6e\u4e3a\u9ed8\u8ba4\u503c\uff1a<\/p>\n
int[] originalArray = {1, 2, 3, 4, 5};\noriginalArray[0] = 0;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
3. \u4f7f\u7528 List<\/strong><\/p>\n
\u5982\u679c\u4f60\u9700\u8981\u7ecf\u5e38\u5220\u9664\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528 List \u800c\u4e0d\u662f\u6570\u7ec4\u3002List \u662f\u4e00\u79cd\u52a8\u6001\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u6dfb\u52a0\u548c\u5220\u9664\u5143\u7d20\u3002\u5728 List \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 remove() \u65b9\u6cd5\u5220\u9664\u5143\u7d20\u3002<\/p>\n
List<Integer> list = new ArrayList<>();\nlist.add(1);\nlist.add(2);\nlist.add(3);\nlist.remove(1);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5982\u679c\u4f7f\u7528 List\uff0c\u5b83\u9700\u8981\u88c5\u7bb1\u548c\u62c6\u7bb1\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u6027\u80fd\u5f00\u9500\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u600e\u4e48\u5220\u9664\u67d0\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":"
\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\u4ece java \u6570\u7ec4\u4e2d\u5220\u9664\u5143\u7d20\uff1a\u590d\u5236\u6570\u7ec4\uff0c\u53ea\u5305\u542b\u8981\u4fdd\u7559\u7684\u5143\u7d20\u3002\u8986\u76d6\u8981\u5220\u9664\u7684\u5143\u7d20\u4e3a\u9ed8\u8ba4\u503c\u3002\u4f7f\u7528 list \u4ee3\u66ff\u6570\u7ec4\uff0c\u5b83\u5141\u8bb8\u8f7b\u677e\u6dfb\u52a0\u548c\u5220\u9664\u5143\u7d20\u3002 \u5982\u4f55\u4ece Java \u6570\u7ec4\u4e2d\u5220\u9664\u5143\u7d20 Java \u6570\u7ec4\u662f\u4e00\u79cd\u56fa\u5b9a\u5927\u5c0f\u7684\u6570\u636e\u7ed3\u6784\uff0c\u7528\u6765\u5b58\u50a8\u76f8\u540c\u7c7b\u578b\u7684\u6570\u636e\u5143\u7d20\u3002\u5220\u9664\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u5e76\u4e0d\u5bb9\u6613\uff0c\u56e0\u4e3a Java \u6570\u7ec4\u7684\u5927\u5c0f\u662f\u4e0d\u53ef\u53d8\u7684\u3002\u4f46\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5b9e\u73b0\u7c7b\u4f3c\u7684\u6548\u679c\uff1a 1. \u590d\u5236\u6570\u7ec4 \u5220\u9664\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5e76\u5c06\u6240\u6709\u8981\u4fdd\u7559\u7684\u5143\u7d20\u590d\u5236\u5230\u5176\u4e2d\u3002\u4f7f\u7528 Arrays.copyOf() \u65b9\u6cd5\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u505a\u5230\u8fd9\u4e00\u70b9\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] originalArray = {1, 2, 3, 4, 5}; int[] newArray = Arrays.copyOf(originalArray, originalArray.length – 1); \u767b\u5f55\u540e\u590d\u5236 2. \u8986\u76d6\u5143\u7d20 \u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u4f7f\u7528\u8986\u76d6\u8986\u76d6\u6570\u7ec4\u5143\u7d20\u3002\u8981\u5220\u9664\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ea\u9700\u5c06\u5176\u8986\u76d6\u4e3a\u53e6\u4e00\u4e2a\u5143\u7d20\u5373\u53ef\u3002\u4f8b\u5982\uff0c\u8981\u5220\u9664\u6570\u7ec4\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u5c06\u5176\u8bbe\u7f6e\u4e3a\u9ed8\u8ba4\u503c\uff1a int[] originalArray = {1, 2, 3, 4, 5}; originalArray[0] = 0; \u767b\u5f55\u540e\u590d\u5236 3. \u4f7f\u7528 List \u5982\u679c\u4f60\u9700\u8981\u7ecf\u5e38\u5220\u9664\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528 List \u800c\u4e0d\u662f\u6570\u7ec4\u3002List […]<\/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-65598","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65598","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=65598"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65598\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65598"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65598"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65598"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}