{"id":66280,"date":"2025-05-03T10:53:54","date_gmt":"2025-05-03T02:53:54","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66280\/"},"modified":"2025-05-03T10:53:54","modified_gmt":"2025-05-03T02:53:54","slug":"java%e6%95%b0%e7%bb%84%e9%95%bf%e5%ba%a6%e6%80%8e%e4%b9%88%e6%94%b9%e5%8f%98%e5%8f%af%e5%8f%98-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66280\/","title":{"rendered":"java\u6570\u7ec4\u957f\u5ea6\u600e\u4e48\u6539\u53d8\u53ef\u53d8"},"content":{"rendered":"<blockquote><p>\n  java \u6570\u7ec4\u7684\u957f\u5ea6\u4e0d\u80fd\u76f4\u63a5\u66f4\u6539\uff0c\u56e0\u4e3a\u5b83\u662f\u56fa\u5b9a\u957f\u5ea6\u7684\u6570\u636e\u7ed3\u6784\u3002\u8981\u5904\u7406\u53ef\u53d8\u957f\u5ea6\u7684\u6570\u636e\u96c6\u5408\uff0c\u53ef\u4ee5\u4f7f\u7528 arraylist\u3001linkedlist \u6216 vector \u7b49\u53ef\u53d8\u957f\u5ea6\u66ff\u4ee3\u65b9\u6848\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/15\/2024111505581035038.jpg\" class=\"aligncenter\" title=\"java\u6570\u7ec4\u957f\u5ea6\u600e\u4e48\u6539\u53d8\u53ef\u53d8\u63d2\u56fe\" alt=\"java\u6570\u7ec4\u957f\u5ea6\u600e\u4e48\u6539\u53d8\u53ef\u53d8\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u6570\u7ec4\u957f\u5ea6\u5982\u4f55\u6539\u53d8\uff1f<\/strong><\/p>\n<p>Java \u6570\u7ec4\u662f\u4e00\u4e2a\u56fa\u5b9a\u957f\u5ea6\u7684\u6570\u636e\u7ed3\u6784\uff0c\u521b\u5efa\u540e\u4e0d\u80fd\u66f4\u6539\u5176\u957f\u5ea6\u3002\u56e0\u6b64\uff0c\u65e0\u6cd5\u76f4\u63a5\u6539\u53d8 Java \u6570\u7ec4\u7684\u957f\u5ea6\u3002<\/p>\n<p><strong>\u53ef\u53d8\u957f\u5ea6\u66ff\u4ee3\u65b9\u6848\uff1a<\/strong><\/p>\n<p>\u8981\u5904\u7406\u53ef\u53d8\u957f\u5ea6\u7684\u6570\u636e\u96c6\u5408\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u66ff\u4ee3\u65b9\u6848\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li> <strong>ArrayList\uff1a<\/strong>\u662f\u4e00\u79cd\u52a8\u6001\u6570\u7ec4\uff0c\u53ef\u4ee5\u968f\u7740\u5143\u7d20\u7684\u6dfb\u52a0\u548c\u5220\u9664\u800c\u81ea\u52a8\u8c03\u6574\u5176\u5927\u5c0f\u3002<\/li>\n<li> <strong>LinkedList\uff1a<\/strong>\u4e00\u79cd\u53cc\u5411\u94fe\u8868\uff0c\u53ef\u4ee5\u9ad8\u6548\u5730\u63d2\u5165\u548c\u5220\u9664\u5143\u7d20\uff0c\u4f46\u8bbf\u95ee\u5143\u7d20\u7684\u901f\u5ea6\u8f83\u6162\u3002<\/li>\n<li> <strong>Vector\uff1a<\/strong>\u4e00\u79cd\u540c\u6b65\u7684\u52a8\u6001\u6570\u7ec4\uff0c\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u63d0\u4f9b\u7ebf\u7a0b\u5b89\u5168\u3002<\/li>\n<\/ul>\n<p><strong>\u4f7f\u7528\u793a\u4f8b\uff1a<\/strong><\/p>\n<p>\u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u5982\u4f55\u4f7f\u7528 ArrayList \u6765\u521b\u5efa\u53ef\u53d8\u957f\u5ea6\u7684\u6570\u636e\u96c6\u5408\uff1a<\/p>\n<pre>import java.util.ArrayList;\n\npublic class VariableArray {\n\n    public static void main(String[] args) {\n        \/\/ \u521b\u5efa\u4e00\u4e2a ArrayList\n        ArrayList&lt;Integer&gt; numbers = new ArrayList&lt;&gt;();\n\n        \/\/ \u6dfb\u52a0\u5143\u7d20\n        numbers.add(1);\n        numbers.add(2);\n        numbers.add(3);\n\n        \/\/ \u83b7\u53d6\u5f53\u524d\u957f\u5ea6\n        System.out.println(\"\u5f53\u524d\u957f\u5ea6\uff1a\" + numbers.size());\n\n        \/\/ \u79fb\u9664\u5143\u7d20\n        numbers.remove(1);\n\n        \/\/ \u83b7\u53d6\u4fee\u6539\u540e\u7684\u957f\u5ea6\n        System.out.println(\"\u4fee\u6539\u540e\u957f\u5ea6\uff1a\" + numbers.size());\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>\u5f53\u524d\u957f\u5ea6\uff1a3\n\u4fee\u6539\u540e\u957f\u5ea6\uff1a2<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u957f\u5ea6\u600e\u4e48\u6539\u53d8\u53ef\u53d8\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>java \u6570\u7ec4\u7684\u957f\u5ea6\u4e0d\u80fd\u76f4\u63a5\u66f4\u6539\uff0c\u56e0\u4e3a\u5b83\u662f\u56fa\u5b9a\u957f\u5ea6\u7684\u6570\u636e\u7ed3\u6784\u3002\u8981\u5904\u7406\u53ef\u53d8\u957f\u5ea6\u7684\u6570\u636e\u96c6\u5408\uff0c\u53ef\u4ee5\u4f7f\u7528 arraylist\u3001linkedlist \u6216 vector \u7b49\u53ef\u53d8\u957f\u5ea6\u66ff\u4ee3\u65b9\u6848\u3002 Java \u6570\u7ec4\u957f\u5ea6\u5982\u4f55\u6539\u53d8\uff1f Java \u6570\u7ec4\u662f\u4e00\u4e2a\u56fa\u5b9a\u957f\u5ea6\u7684\u6570\u636e\u7ed3\u6784\uff0c\u521b\u5efa\u540e\u4e0d\u80fd\u66f4\u6539\u5176\u957f\u5ea6\u3002\u56e0\u6b64\uff0c\u65e0\u6cd5\u76f4\u63a5\u6539\u53d8 Java \u6570\u7ec4\u7684\u957f\u5ea6\u3002 \u53ef\u53d8\u957f\u5ea6\u66ff\u4ee3\u65b9\u6848\uff1a \u8981\u5904\u7406\u53ef\u53d8\u957f\u5ea6\u7684\u6570\u636e\u96c6\u5408\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u66ff\u4ee3\u65b9\u6848\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b ArrayList\uff1a\u662f\u4e00\u79cd\u52a8\u6001\u6570\u7ec4\uff0c\u53ef\u4ee5\u968f\u7740\u5143\u7d20\u7684\u6dfb\u52a0\u548c\u5220\u9664\u800c\u81ea\u52a8\u8c03\u6574\u5176\u5927\u5c0f\u3002 LinkedList\uff1a\u4e00\u79cd\u53cc\u5411\u94fe\u8868\uff0c\u53ef\u4ee5\u9ad8\u6548\u5730\u63d2\u5165\u548c\u5220\u9664\u5143\u7d20\uff0c\u4f46\u8bbf\u95ee\u5143\u7d20\u7684\u901f\u5ea6\u8f83\u6162\u3002 Vector\uff1a\u4e00\u79cd\u540c\u6b65\u7684\u52a8\u6001\u6570\u7ec4\uff0c\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u63d0\u4f9b\u7ebf\u7a0b\u5b89\u5168\u3002 \u4f7f\u7528\u793a\u4f8b\uff1a \u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u5982\u4f55\u4f7f\u7528 ArrayList \u6765\u521b\u5efa\u53ef\u53d8\u957f\u5ea6\u7684\u6570\u636e\u96c6\u5408\uff1a import java.util.ArrayList; public class VariableArray { public static void main(String[] args) { \/\/ \u521b\u5efa\u4e00\u4e2a ArrayList ArrayList&lt;Integer&gt; numbers = new ArrayList&lt;&gt;(); \/\/ \u6dfb\u52a0\u5143\u7d20 numbers.add(1); numbers.add(2); numbers.add(3); \/\/ \u83b7\u53d6\u5f53\u524d\u957f\u5ea6 System.out.println(&#8220;\u5f53\u524d\u957f\u5ea6\uff1a&#8221; + numbers.size()); \/\/ \u79fb\u9664\u5143\u7d20 numbers.remove(1); [&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-66280","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66280","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=66280"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66280\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66280"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66280"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66280"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}