{"id":35493,"date":"2024-11-26T17:52:25","date_gmt":"2024-11-26T09:52:25","guid":{"rendered":"https:\/\/fwq.ai\/blog\/35493\/"},"modified":"2024-11-26T17:52:25","modified_gmt":"2024-11-26T09:52:25","slug":"java%e6%80%8e%e4%b9%88%e4%bb%8e%e6%95%b0%e7%bb%84%e4%b8%ad%e5%8e%bb%e9%99%a4%e6%8c%87%e5%ae%9a%e7%9a%84%e5%85%83%e7%b4%a0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/35493\/","title":{"rendered":"java\u600e\u4e48\u4ece\u6570\u7ec4\u4e2d\u53bb\u9664\u6307\u5b9a\u7684\u5143\u7d20"},"content":{"rendered":"

\n \u4ece java \u6570\u7ec4\u4e2d\u53bb\u9664\u6307\u5b9a\u5143\u7d20\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528 arrays.copyof() \u521b\u5efa\u65b0\u6570\u7ec4\uff0c\u8df3\u8fc7\u8981\u5220\u9664\u7684\u5143\u7d20\u3002\u4f7f\u7528 arraylist\uff0c\u901a\u8fc7\u5176 remove() \u65b9\u6cd5\u8f7b\u677e\u4fee\u6539\u539f\u6570\u7ec4\u3002\u9009\u62e9\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5143\u7d20\u6570\u91cf\u548c\u6570\u7ec4\u5927\u5c0f\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u4ece\u6570\u7ec4\u4e2d\u53bb\u9664\u6307\u5b9a\u7684\u5143\u7d20\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u4ece Java \u6570\u7ec4\u4e2d\u53bb\u9664\u6307\u5b9a\u7684\u5143\u7d20<\/strong><\/p>\n

\u5728 Java \u4e2d\u4ece\u6570\u7ec4\u4e2d\u53bb\u9664\u6307\u5b9a\u7684\u5143\u7d20\u6709\u51e0\u79cd\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u4e24\u79cd\u6700\u5e38\u7528\u7684\u65b9\u6cd5\uff1a<\/p>\n

\u4f7f\u7528 Arrays.copyOf()<\/strong><\/p>\n

Arrays.copyOf() \u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5176\u4e2d\u5305\u542b\u539f\u6570\u7ec4\u4e2d\u6307\u5b9a\u5143\u7d20\u8303\u56f4\u5185\u7684\u5143\u7d20\u3002\u8981\u4ece\u6570\u7ec4\u4e2d\u53bb\u9664\u67d0\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n

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

    \n
  1. \u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5176\u957f\u5ea6\u6bd4\u539f\u6570\u7ec4\u77ed\u4e00\u4e2a\u5143\u7d20\u3002<\/li>\n
  2. \u4f7f\u7528 Arrays.copyOf() \u65b9\u6cd5\u4ece\u539f\u6570\u7ec4\u4e2d\u590d\u5236\u5143\u7d20\u5230\u65b0\u6570\u7ec4\uff0c\u8df3\u8fc7\u8981\u5220\u9664\u7684\u5143\u7d20\u3002<\/li>\n<\/ol>\n

    \u4f8b\u5982\uff1a<\/p>\n

    int[] arr = {1, 2, 3, 4, 5};\nint elementToRemove = 3;\nint[] newArr = Arrays.copyOf(arr, arr.length - 1);\nSystem.out.println(Arrays.toString(newArr)); \/\/ \u8f93\u51fa [1, 2, 4, 5]<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u4f7f\u7528 ArrayList<\/strong><\/p>\n
    ArrayList \u662f\u4e00\u79cd\u52a8\u6001\u6570\u7ec4\uff0c\u5141\u8bb8\u8f7b\u677e\u5730\u6dfb\u52a0\u548c\u5220\u9664\u5143\u7d20\u3002\u8981\u4ece ArrayList \u4e2d\u53bb\u9664\u67d0\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528 remove() \u65b9\u6cd5\u3002<\/p>\n
    \u4f8b\u5982\uff1a<\/p>\n
    ArrayList<Integer> arr = new ArrayList<>();\narr.add(1);\narr.add(2);\narr.add(3);\narr.add(4);\narr.add(5);\narr.remove(2); \/\/ \u5220\u9664\u7d22\u5f15\u4e3a 2 \u7684\u5143\u7d20\nSystem.out.println(arr); \/\/ \u8f93\u51fa [1, 2, 4, 5]<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u9009\u62e9\u65b9\u6cd5<\/strong><\/p>\n
    \u8fd9\u4e24\u79cd\u65b9\u6cd5\u5404\u6709\u4f18\u7f3a\u70b9\uff1a<\/p>\n
      \n
    • Arrays.copyOf() \u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\uff0c\u56e0\u6b64\u4e0d\u4f1a\u4fee\u6539\u539f\u6570\u7ec4\u3002\u4f46\u662f\uff0c\u5b83\u53ef\u80fd\u9700\u8981\u521b\u5efa\u65b0\u7684\u5bf9\u8c61\uff0c\u4ece\u800c\u5f71\u54cd\u6027\u80fd\u3002<\/li>\n
    • ArrayList \u53ef\u4ee5\u8f7b\u677e\u5730\u4fee\u6539\u539f\u6570\u7ec4\uff0c\u4f46\u5982\u679c\u8981\u4ece\u5927\u6570\u7ec4\u4e2d\u53bb\u9664\u591a\u4e2a\u5143\u7d20\uff0c\u5b83\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6027\u80fd\u95ee\u9898\u3002<\/li>\n<\/ul>\n
      \u56e0\u6b64\uff0c\u6839\u636e\u9700\u8981\u53bb\u9664\u7684\u5143\u7d20\u6570\u91cf\u548c\u6570\u7ec4\u7684\u5927\u5c0f\uff0c\u53ef\u4ee5\u9009\u62e9\u6700\u5408\u9002\u7684\u65b9\u6cd5\u3002<\/p>\n
      \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u4ece\u6570\u7ec4\u4e2d\u53bb\u9664\u6307\u5b9a\u7684\u5143\u7d20\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":"
      \u4ece java \u6570\u7ec4\u4e2d\u53bb\u9664\u6307\u5b9a\u5143\u7d20\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528 arrays.copyof() \u521b\u5efa\u65b0\u6570\u7ec4\uff0c\u8df3\u8fc7\u8981\u5220\u9664\u7684\u5143\u7d20\u3002\u4f7f\u7528 arraylist\uff0c\u901a\u8fc7\u5176 remove() \u65b9\u6cd5\u8f7b\u677e\u4fee\u6539\u539f\u6570\u7ec4\u3002\u9009\u62e9\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5143\u7d20\u6570\u91cf\u548c\u6570\u7ec4\u5927\u5c0f\u3002 \u5982\u4f55\u4ece Java \u6570\u7ec4\u4e2d\u53bb\u9664\u6307\u5b9a\u7684\u5143\u7d20 \u5728 Java \u4e2d\u4ece\u6570\u7ec4\u4e2d\u53bb\u9664\u6307\u5b9a\u7684\u5143\u7d20\u6709\u51e0\u79cd\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u4e24\u79cd\u6700\u5e38\u7528\u7684\u65b9\u6cd5\uff1a \u4f7f\u7528 Arrays.copyOf() Arrays.copyOf() \u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5176\u4e2d\u5305\u542b\u539f\u6570\u7ec4\u4e2d\u6307\u5b9a\u5143\u7d20\u8303\u56f4\u5185\u7684\u5143\u7d20\u3002\u8981\u4ece\u6570\u7ec4\u4e2d\u53bb\u9664\u67d0\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5176\u957f\u5ea6\u6bd4\u539f\u6570\u7ec4\u77ed\u4e00\u4e2a\u5143\u7d20\u3002 \u4f7f\u7528 Arrays.copyOf() \u65b9\u6cd5\u4ece\u539f\u6570\u7ec4\u4e2d\u590d\u5236\u5143\u7d20\u5230\u65b0\u6570\u7ec4\uff0c\u8df3\u8fc7\u8981\u5220\u9664\u7684\u5143\u7d20\u3002 \u4f8b\u5982\uff1a int[] arr = {1, 2, 3, 4, 5}; int elementToRemove = 3; int[] newArr = Arrays.copyOf(arr, arr.length – 1); System.out.println(Arrays.toString(newArr)); \/\/ \u8f93\u51fa [1, 2, 4, 5] \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528 ArrayList ArrayList \u662f\u4e00\u79cd\u52a8\u6001\u6570\u7ec4\uff0c\u5141\u8bb8\u8f7b\u677e\u5730\u6dfb\u52a0\u548c\u5220\u9664\u5143\u7d20\u3002\u8981\u4ece […]<\/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-35493","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35493","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=35493"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35493\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=35493"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=35493"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=35493"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}