{"id":37742,"date":"2024-11-26T09:50:53","date_gmt":"2024-11-26T01:50:53","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37742\/"},"modified":"2024-11-26T09:50:53","modified_gmt":"2024-11-26T01:50:53","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e5%ae%9e%e7%8e%b0%e5%8a%a8%e6%80%81%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37742\/","title":{"rendered":"java\u4e2d\u600e\u4e48\u5b9e\u73b0\u52a8\u6001\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u53ef\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\u5b9e\u73b0\u52a8\u6001\u6570\u7ec4\uff1aarraylist\uff1a\u4f7f\u7528\u5e95\u5c42\u6570\u7ec4\u5b58\u50a8\u5143\u7d20\uff0c\u81ea\u52a8\u6269\u5c55\u6216\u6536\u7f29\u5927\u5c0f\u3002vector\uff1a\u7ebf\u7a0b\u5b89\u5168\u7684\u52a8\u6001\u6570\u7ec4\uff0c\u9002\u7528\u4e8e\u591a\u7ebf\u7a0b\u73af\u5883\u3002linkedlist\uff1a\u4f7f\u7528\u94fe\u8868\u5b58\u50a8\u5143\u7d20\uff0c\u53ef\u9ad8\u6548\u63d2\u5165\u548c\u5220\u9664\u64cd\u4f5c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/13\/2024111309431789036.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u600e\u4e48\u5b9e\u73b0\u52a8\u6001\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u4e2d\u600e\u4e48\u5b9e\u73b0\u52a8\u6001\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u5b9e\u73b0\u52a8\u6001\u6570\u7ec4<\/strong><\/p>\n<p>\u52a8\u6001\u6570\u7ec4\uff0c\u4e5f\u79f0\u4e3a\u53ef\u53d8\u957f\u5ea6\u6570\u7ec4\uff0c\u5141\u8bb8\u5728\u8fd0\u884c\u65f6\u6839\u636e\u9700\u8981\u8c03\u6574\u5176\u5927\u5c0f\u3002\u4e0e\u56fa\u5b9a\u5927\u5c0f\u7684\u4f20\u7edf\u6570\u7ec4\u4e0d\u540c\uff0c\u52a8\u6001\u6570\u7ec4\u80fd\u591f\u968f\u7740\u6570\u636e\u91cf\u7684\u53d8\u5316\u800c\u81ea\u52a8\u6269\u5c55\u6216\u6536\u7f29\u3002<\/p>\n<p><strong>\u5b9e\u73b0\u65b9\u6cd5\uff1a<\/strong><\/p>\n<p>\u5728 Java \u4e2d\u5b9e\u73b0\u52a8\u6001\u6570\u7ec4\u6709\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p><strong>1. ArrayList<\/strong><\/p>\n<p>ArrayList \u662f Java \u96c6\u5408\u6846\u67b6\u7684\u4e00\u90e8\u5206\uff0c\u63d0\u4f9b\u4e86\u4e00\u79cd\u52a8\u6001\u6570\u7ec4\u7684\u5b9e\u73b0\u3002\u5b83\u4f7f\u7528\u5e95\u5c42\u6570\u7ec4\u6765\u5b58\u50a8\u5143\u7d20\uff0c\u5e76\u5728\u9700\u8981\u65f6\u81ea\u52a8\u6269\u5c55\u6216\u6536\u7f29\u6570\u7ec4\u7684\u5927\u5c0f\u3002\u8981\u521b\u5efa ArrayList\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u5f0f\uff1a<\/p>\n<pre>ArrayList&lt;Integer&gt; numbers = new ArrayList&lt;&gt;();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. Vector<\/strong><\/p>\n<p>Vector \u662f\u4e00\u4e2a\u7ebf\u7a0b\u5b89\u5168\u7684\u52a8\u6001\u6570\u7ec4\uff0c\u4e0e ArrayList \u7c7b\u4f3c\u3002\u5b83\u53ef\u4ee5\u5904\u7406\u591a\u7ebf\u7a0b\u73af\u5883\uff0c\u786e\u4fdd\u5728\u5e76\u53d1\u4fee\u6539\u65f6\u4e0d\u4f1a\u51fa\u73b0\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u3002\u8981\u521b\u5efa Vector\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u5f0f\uff1a<\/p>\n<pre>Vector&lt;String&gt; names = new Vector&lt;&gt;();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. LinkedList<\/strong><\/p>\n<p>LinkedList \u662f\u53e6\u4e00\u4e2a\u53ef\u7528\u4e8e\u5b9e\u73b0\u52a8\u6001\u6570\u7ec4\u7684\u6570\u636e\u7ed3\u6784\u3002\u5b83\u4f7f\u7528\u94fe\u8868\u800c\u4e0d\u662f\u6570\u7ec4\u6765\u5b58\u50a8\u5143\u7d20\uff0c\u5e76\u5141\u8bb8\u9ad8\u6548\u5730\u63d2\u5165\u548c\u5220\u9664\u64cd\u4f5c\u3002\u8981\u521b\u5efa LinkedList\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u5f0f\uff1a<\/p>\n<pre>LinkedList&lt;Double&gt; prices = new LinkedList&lt;&gt;();<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528\u65b9\u6cd5\uff1a<\/strong><\/p>\n<p>\u52a8\u6001\u6570\u7ec4\u7684\u4f7f\u7528\u65b9\u6cd5\u4e0e\u4f20\u7edf\u6570\u7ec4\u7c7b\u4f3c\uff1a<\/p>\n<ul>\n<li> <strong>\u6dfb\u52a0\u5143\u7d20\uff1a<\/strong>\u4f7f\u7528 add() \u65b9\u6cd5\u5c06\u5143\u7d20\u6dfb\u52a0\u5230\u52a8\u6001\u6570\u7ec4\u4e2d\u3002<\/li>\n<li> <strong>\u83b7\u53d6\u5143\u7d20\uff1a<\/strong>\u4f7f\u7528 get() \u65b9\u6cd5\u83b7\u53d6\u6307\u5b9a\u7d22\u5f15\u5904\u7684\u5143\u7d20\u3002<\/li>\n<li> <strong>\u8bbe\u7f6e\u5143\u7d20\uff1a<\/strong>\u4f7f\u7528 set() \u65b9\u6cd5\u8bbe\u7f6e\u6307\u5b9a\u7d22\u5f15\u5904\u7684\u5143\u7d20\u3002<\/li>\n<li> <strong>\u5220\u9664\u5143\u7d20\uff1a<\/strong>\u4f7f\u7528 remove() \u65b9\u6cd5\u5220\u9664\u6307\u5b9a\u7d22\u5f15\u5904\u7684\u5143\u7d20\u3002<\/li>\n<li> <strong>\u8c03\u6574\u5927\u5c0f\uff1a<\/strong>\u52a8\u6001\u6570\u7ec4\u4f1a\u81ea\u52a8\u8c03\u6574\u5176\u5927\u5c0f\uff0c\u4f46\u53ef\u4ee5\u4f7f\u7528 ensureCapacity() \u6216 trimToSize() \u65b9\u6cd5\u6765\u624b\u52a8\u8c03\u6574\u5927\u5c0f\u3002<\/li>\n<\/ul>\n<p><strong>\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<ul>\n<li>\u52a8\u6001\u6570\u7ec4\u5728\u8bbf\u95ee\u4e0d\u5b58\u5728\u7684\u7d22\u5f15\u65f6\u4f1a\u629b\u51fa IndexOutOfBoundsException\u3002<\/li>\n<li>\u52a8\u6001\u6570\u7ec4\u7684\u5185\u90e8\u5b9e\u73b0\u53ef\u80fd\u56e0\u4e0d\u540c\u6570\u636e\u7ed3\u6784\u800c\u5f02\u3002<\/li>\n<li>\u5728\u5904\u7406\u5927\u91cf\u6570\u636e\u65f6\uff0cLinkedList \u5728\u63d2\u5165\u548c\u5220\u9664\u64cd\u4f5c\u65b9\u9762\u6bd4 ArrayList \u66f4\u6709\u6548\u7387\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u600e\u4e48\u5b9e\u73b0\u52a8\u6001\u6570\u7ec4\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":"<p>java \u4e2d\u53ef\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\u5b9e\u73b0\u52a8\u6001\u6570\u7ec4\uff1aarraylist\uff1a\u4f7f\u7528\u5e95\u5c42\u6570\u7ec4\u5b58\u50a8\u5143\u7d20\uff0c\u81ea\u52a8\u6269\u5c55\u6216\u6536\u7f29\u5927\u5c0f\u3002vector\uff1a\u7ebf\u7a0b\u5b89\u5168\u7684\u52a8\u6001\u6570\u7ec4\uff0c\u9002\u7528\u4e8e\u591a\u7ebf\u7a0b\u73af\u5883\u3002linkedlist\uff1a\u4f7f\u7528\u94fe\u8868\u5b58\u50a8\u5143\u7d20\uff0c\u53ef\u9ad8\u6548\u63d2\u5165\u548c\u5220\u9664\u64cd\u4f5c\u3002 \u5982\u4f55\u5728 Java \u4e2d\u5b9e\u73b0\u52a8\u6001\u6570\u7ec4 \u52a8\u6001\u6570\u7ec4\uff0c\u4e5f\u79f0\u4e3a\u53ef\u53d8\u957f\u5ea6\u6570\u7ec4\uff0c\u5141\u8bb8\u5728\u8fd0\u884c\u65f6\u6839\u636e\u9700\u8981\u8c03\u6574\u5176\u5927\u5c0f\u3002\u4e0e\u56fa\u5b9a\u5927\u5c0f\u7684\u4f20\u7edf\u6570\u7ec4\u4e0d\u540c\uff0c\u52a8\u6001\u6570\u7ec4\u80fd\u591f\u968f\u7740\u6570\u636e\u91cf\u7684\u53d8\u5316\u800c\u81ea\u52a8\u6269\u5c55\u6216\u6536\u7f29\u3002 \u5b9e\u73b0\u65b9\u6cd5\uff1a \u5728 Java \u4e2d\u5b9e\u73b0\u52a8\u6001\u6570\u7ec4\u6709\u51e0\u79cd\u65b9\u6cd5\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b 1. ArrayList ArrayList \u662f Java \u96c6\u5408\u6846\u67b6\u7684\u4e00\u90e8\u5206\uff0c\u63d0\u4f9b\u4e86\u4e00\u79cd\u52a8\u6001\u6570\u7ec4\u7684\u5b9e\u73b0\u3002\u5b83\u4f7f\u7528\u5e95\u5c42\u6570\u7ec4\u6765\u5b58\u50a8\u5143\u7d20\uff0c\u5e76\u5728\u9700\u8981\u65f6\u81ea\u52a8\u6269\u5c55\u6216\u6536\u7f29\u6570\u7ec4\u7684\u5927\u5c0f\u3002\u8981\u521b\u5efa ArrayList\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u5f0f\uff1a ArrayList&lt;Integer&gt; numbers = new ArrayList&lt;&gt;(); \u767b\u5f55\u540e\u590d\u5236 2. Vector Vector \u662f\u4e00\u4e2a\u7ebf\u7a0b\u5b89\u5168\u7684\u52a8\u6001\u6570\u7ec4\uff0c\u4e0e ArrayList \u7c7b\u4f3c\u3002\u5b83\u53ef\u4ee5\u5904\u7406\u591a\u7ebf\u7a0b\u73af\u5883\uff0c\u786e\u4fdd\u5728\u5e76\u53d1\u4fee\u6539\u65f6\u4e0d\u4f1a\u51fa\u73b0\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u3002\u8981\u521b\u5efa Vector\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u5f0f\uff1a Vector&lt;String&gt; names = new Vector&lt;&gt;(); \u767b\u5f55\u540e\u590d\u5236 3. LinkedList LinkedList \u662f\u53e6\u4e00\u4e2a\u53ef\u7528\u4e8e\u5b9e\u73b0\u52a8\u6001\u6570\u7ec4\u7684\u6570\u636e\u7ed3\u6784\u3002\u5b83\u4f7f\u7528\u94fe\u8868\u800c\u4e0d\u662f\u6570\u7ec4\u6765\u5b58\u50a8\u5143\u7d20\uff0c\u5e76\u5141\u8bb8\u9ad8\u6548\u5730\u63d2\u5165\u548c\u5220\u9664\u64cd\u4f5c\u3002\u8981\u521b\u5efa LinkedList\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u5f0f\uff1a LinkedList&lt;Double&gt; prices = new LinkedList&lt;&gt;(); \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528\u65b9\u6cd5\uff1a \u52a8\u6001\u6570\u7ec4\u7684\u4f7f\u7528\u65b9\u6cd5\u4e0e\u4f20\u7edf\u6570\u7ec4\u7c7b\u4f3c\uff1a \u6dfb\u52a0\u5143\u7d20\uff1a\u4f7f\u7528 add() \u65b9\u6cd5\u5c06\u5143\u7d20\u6dfb\u52a0\u5230\u52a8\u6001\u6570\u7ec4\u4e2d\u3002 \u83b7\u53d6\u5143\u7d20\uff1a\u4f7f\u7528 get() [&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-37742","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37742","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=37742"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37742\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37742"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}