{"id":66312,"date":"2025-05-03T11:38:37","date_gmt":"2025-05-03T03:38:37","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66312\/"},"modified":"2025-05-03T11:38:37","modified_gmt":"2025-05-03T03:38:37","slug":"java%e6%80%8e%e4%b9%88%e5%88%a9%e7%94%a8%e5%8a%a8%e6%80%81%e6%95%b0%e7%bb%84%e4%bf%ae%e6%94%b9%e6%95%b0%e6%8d%ae-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66312\/","title":{"rendered":"java\u600e\u4e48\u5229\u7528\u52a8\u6001\u6570\u7ec4\u4fee\u6539\u6570\u636e"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\uff0c\u4f7f\u7528\u52a8\u6001\u6570\u7ec4\u4fee\u6539\u6570\u636e\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\uff1aset(int index, e element)\uff1a\u66ff\u6362\u6307\u5b9a\u7d22\u5f15\u5904\u7684\u5143\u7d20\u3002add(int index, e element)\uff1a\u5728\u6307\u5b9a\u7d22\u5f15\u5904\u63d2\u5165\u5143\u7d20\uff0c\u540e\u79fb\u540e\u7eed\u5143\u7d20\u3002remove(int index)\uff1a\u5220\u9664\u6307\u5b9a\u7d22\u5f15\u5904\u7684\u5143\u7d20\uff0c\u524d\u79fb\u540e\u7eed\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/15\/2024111506572319976.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5229\u7528\u52a8\u6001\u6570\u7ec4\u4fee\u6539\u6570\u636e\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5229\u7528\u52a8\u6001\u6570\u7ec4\u4fee\u6539\u6570\u636e\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528\u52a8\u6001\u6570\u7ec4\u4fee\u6539 Java \u4e2d\u7684\u6570\u636e<\/strong><\/p>\n<p><strong>\u52a8\u6001\u6570\u7ec4<\/strong><\/p>\n<p>\u52a8\u6001\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u80fd\u591f\u6839\u636e\u9700\u8981\u81ea\u52a8\u589e\u52a0\u6216\u51cf\u5c11\u5176\u5bb9\u91cf\u3002\u5728 Java \u4e2d\uff0c\u52a8\u6001\u6570\u7ec4\u88ab\u79f0\u4e3aArrayList\u7c7b\u3002<\/p>\n<p><strong>\u4fee\u6539\u6570\u636e<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u8981\u4fee\u6539\u52a8\u6001\u6570\u7ec4\u4e2d\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. set(int index, E element)<\/strong><\/p>\n<p>\u6b64\u65b9\u6cd5\u5c06\u6307\u5b9a\u7d22\u5f15\u5904\u7684\u5143\u7d20\u66ff\u6362\u4e3a\u65b0\u7684\u5143\u7d20\u3002<\/p>\n<p><strong>2. add(int index, E element)<\/strong><\/p>\n<p>\u6b64\u65b9\u6cd5\u5728\u6307\u5b9a\u7d22\u5f15\u5904\u63d2\u5165\u4e00\u4e2a\u65b0\u5143\u7d20\uff0c\u5c06\u6240\u6709\u540e\u7eed\u5143\u7d20\u5411\u540e\u79fb\u52a8\u4e00\u4e2a\u4f4d\u7f6e\u3002<\/p>\n<p><strong>3. remove(int index)<\/strong><\/p>\n<p>\u6b64\u65b9\u6cd5\u5220\u9664\u6307\u5b9a\u7d22\u5f15\u5904\u7684\u5143\u7d20\uff0c\u5c06\u6240\u6709\u540e\u7eed\u5143\u7d20\u5411\u524d\u79fb\u52a8\u4e00\u4e2a\u4f4d\u7f6e\u3002<\/p>\n<p><strong>\u793a\u4f8b\u4ee3\u7801<\/strong><\/p>\n<p>\u4ee5\u4e0b\u4ee3\u7801\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4fee\u6539\u52a8\u6001\u6570\u7ec4\u4e2d\u7684\u6570\u636e\uff1a<\/p>\n<pre>import java.util.ArrayList;\n\npublic class Main {\n    public static void main(String[] args) {\n        \/\/ \u521b\u5efa\u4e00\u4e2a ArrayList \u5e76\u521d\u59cb\u5316\u4e00\u4e9b\u5143\u7d20\n        ArrayList&lt;String&gt; names = new ArrayList&lt;String&gt;();\n        names.add(\"John\");\n        names.add(\"Mary\");\n        names.add(\"Bob\");\n\n        \/\/ \u4f7f\u7528 set() \u65b9\u6cd5\u4fee\u6539\u7d22\u5f15\u4e3a 1 \u7684\u5143\u7d20\n        names.set(1, \"Alice\");\n\n        \/\/ \u4f7f\u7528 add() \u65b9\u6cd5\u5728\u7d22\u5f15\u4e3a 2 \u5904\u63d2\u5165\u4e00\u4e2a\u5143\u7d20\n        names.add(2, \"Sam\");\n\n        \/\/ \u4f7f\u7528 remove() \u65b9\u6cd5\u5220\u9664\u7d22\u5f15\u4e3a 0 \u7684\u5143\u7d20\n        names.remove(0);\n\n        \/\/ \u6253\u5370\u4fee\u6539\u540e\u7684 ArrayList\n        for (String name : names) {\n            System.out.println(name);\n        }\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd0\u884c\u6b64\u4ee3\u7801\u5c06\u6253\u5370\u4ee5\u4e0b\u8f93\u51fa\uff1a<\/p>\n<pre>Alice\nSam\nBob<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5229\u7528\u52a8\u6001\u6570\u7ec4\u4fee\u6539\u6570\u636e\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\u4f7f\u7528\u52a8\u6001\u6570\u7ec4\u4fee\u6539\u6570\u636e\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\uff1aset(int index, e element)\uff1a\u66ff\u6362\u6307\u5b9a\u7d22\u5f15\u5904\u7684\u5143\u7d20\u3002add(int index, e element)\uff1a\u5728\u6307\u5b9a\u7d22\u5f15\u5904\u63d2\u5165\u5143\u7d20\uff0c\u540e\u79fb\u540e\u7eed\u5143\u7d20\u3002remove(int index)\uff1a\u5220\u9664\u6307\u5b9a\u7d22\u5f15\u5904\u7684\u5143\u7d20\uff0c\u524d\u79fb\u540e\u7eed\u5143\u7d20\u3002 \u5982\u4f55\u4f7f\u7528\u52a8\u6001\u6570\u7ec4\u4fee\u6539 Java \u4e2d\u7684\u6570\u636e \u52a8\u6001\u6570\u7ec4 \u52a8\u6001\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u80fd\u591f\u6839\u636e\u9700\u8981\u81ea\u52a8\u589e\u52a0\u6216\u51cf\u5c11\u5176\u5bb9\u91cf\u3002\u5728 Java \u4e2d\uff0c\u52a8\u6001\u6570\u7ec4\u88ab\u79f0\u4e3aArrayList\u7c7b\u3002 \u4fee\u6539\u6570\u636e \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u8981\u4fee\u6539\u52a8\u6001\u6570\u7ec4\u4e2d\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a 1. set(int index, E element) \u6b64\u65b9\u6cd5\u5c06\u6307\u5b9a\u7d22\u5f15\u5904\u7684\u5143\u7d20\u66ff\u6362\u4e3a\u65b0\u7684\u5143\u7d20\u3002 2. add(int index, E element) \u6b64\u65b9\u6cd5\u5728\u6307\u5b9a\u7d22\u5f15\u5904\u63d2\u5165\u4e00\u4e2a\u65b0\u5143\u7d20\uff0c\u5c06\u6240\u6709\u540e\u7eed\u5143\u7d20\u5411\u540e\u79fb\u52a8\u4e00\u4e2a\u4f4d\u7f6e\u3002 3. remove(int index) \u6b64\u65b9\u6cd5\u5220\u9664\u6307\u5b9a\u7d22\u5f15\u5904\u7684\u5143\u7d20\uff0c\u5c06\u6240\u6709\u540e\u7eed\u5143\u7d20\u5411\u524d\u79fb\u52a8\u4e00\u4e2a\u4f4d\u7f6e\u3002 \u793a\u4f8b\u4ee3\u7801 \u4ee5\u4e0b\u4ee3\u7801\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4fee\u6539\u52a8\u6001\u6570\u7ec4\u4e2d\u7684\u6570\u636e\uff1a import java.util.ArrayList; public class Main { public static void main(String[] args) { \/\/ \u521b\u5efa\u4e00\u4e2a ArrayList \u5e76\u521d\u59cb\u5316\u4e00\u4e9b\u5143\u7d20 ArrayList&lt;String&gt; [&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-66312","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66312","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=66312"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66312\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66312"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66312"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}