{"id":202805,"date":"2025-05-22T09:50:08","date_gmt":"2025-05-22T01:50:08","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202805\/"},"modified":"2025-05-22T09:50:08","modified_gmt":"2025-05-22T01:50:08","slug":"java%e5%87%bd%e6%95%b0%e9%87%8d%e8%bd%bd%e5%9c%a8java%e9%9b%86%e5%90%88%e6%a1%86%e6%9e%b6%e4%b8%ad%e7%9a%84%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202805\/","title":{"rendered":"Java\u51fd\u6570\u91cd\u8f7d\u5728Java\u96c6\u5408\u6846\u67b6\u4e2d\u7684\u5e94\u7528"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Java\u51fd\u6570\u91cd\u8f7d\u5728Java\u96c6\u5408\u6846\u67b6\u4e2d\u7684\u5e94\u7528<\/h1>\n<p>\u5c0f\u4f19\u4f34\u4eec\u6709\u6ca1\u6709\u89c9\u5f97\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u5f88\u6709\u610f\u601d\uff1f\u6709\u610f\u601d\u5c31\u5bf9\u4e86\uff01\u4eca\u5929\u5c31\u7ed9\u5927\u5bb6\u5e26\u6765<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aJava\u51fd\u6570\u91cd\u8f7d\u5728Java\u96c6\u5408\u6846\u67b6\u4e2d\u7684\u5e94\u7528\u300b<\/span>\uff0c\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\uff0c\u82e5\u662f\u5728\u5b66\u4e60\u4e2d\u5bf9\u5176\u4e2d\u90e8\u5206\u77e5\u8bc6\u70b9\u6709\u7591\u95ee\uff0c\u6216\u8bb8\u770b\u4e86\u672c\u6587\u5c31\u80fd\u5e2e\u5230\u4f60\uff01<\/p>\n<p>Java \u96c6\u5408\u6846\u67b6\u4e2d\u7684\u51fd\u6570\u91cd\u8f7d\u5141\u8bb8\u521b\u5efa\u5177\u6709\u76f8\u540c\u540d\u79f0\u4f46\u4e0d\u540c\u53c2\u6570\u5217\u8868\u7684\u65b9\u6cd5\uff0c\u4ee5\u63d0\u4f9b\u65b9\u6cd5\u7075\u6d3b\u6027\uff0c\u652f\u6301\u63a5\u53d7\u5404\u79cd\u53c2\u6570\u7c7b\u578b\u3002\u51cf\u5c11\u4ee3\u7801\u91cd\u590d\uff1a\u65e0\u9700\u4e3a\u4e0d\u540c\u53c2\u6570\u7c7b\u578b\u7f16\u5199\u591a\u4e2a\u65b9\u6cd5\u3002\u63d0\u9ad8\u53ef\u8bfb\u6027\uff1a\u4f7f\u7528\u5355\u4e00\u65b9\u6cd5\u540d\u7b80\u5316\u4ee3\u7801\u7406\u89e3\u548c\u7ef4\u62a4\u3002\u589e\u5f3a\u529f\u80fd\uff1a\u63d0\u4f9b\u66f4\u5177\u4f53\u7684\u7279\u5b9a\u573a\u666f\u529f\u80fd\u3002\u4f8b\u5982\uff0cArrayList \u4e2d\u7684 add() \u65b9\u6cd5\u53ef\u6dfb\u52a0\u5143\u7d20\u5230\u672b\u5c3e\u548c\u6307\u5b9a\u7d22\u5f15\u5904\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729943749671cd8c59d523.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>Java \u51fd\u6570\u91cd\u8f7d\u5728 Java \u96c6\u5408\u6846\u67b6\u4e2d\u7684\u5e94\u7528<\/strong><\/p>\n<p><strong>\u7b80\u4ecb<\/strong><br \/>\u51fd\u6570\u91cd\u8f7d\u662f Java \u4e2d\u4e00\u9879\u5f3a\u5927\u7684\u529f\u80fd\uff0c\u5141\u8bb8\u60a8\u521b\u5efa\u5177\u6709\u76f8\u540c\u540d\u79f0\u4f46\u5177\u6709\u4e0d\u540c\u53c2\u6570\u5217\u8868\u7684\u65b9\u6cd5\u3002\u5728 Java \u96c6\u5408\u6846\u67b6\u4e2d\uff0c\u51fd\u6570\u91cd\u8f7d\u88ab\u5e7f\u6cdb\u7528\u4e8e\u63d0\u4f9b\u65b9\u6cd5\u7684\u7075\u6d3b\u6027\uff0c\u4f7f\u5176\u53ef\u4ee5\u63a5\u53d7\u5404\u79cd\u7c7b\u578b\u7684\u53c2\u6570\u3002<\/p>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8003\u8651\u4ee5\u4e0b <code>ArrayList<\/code> \u7684 <code>add()<\/code> \u65b9\u6cd5\uff1a<\/p>\n<pre>public boolean add(E e)<\/pre>\n<p>\u6b64\u65b9\u6cd5\u63a5\u53d7\u4e00\u4e2a\u53c2\u6570\uff0c\u5373\u8981\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\u7684\u5143\u7d20\u3002\u7136\u800c\uff0c\u8fd8\u6709\u53e6\u4e00\u4e2a <code>add()<\/code> \u65b9\u6cd5\uff1a<\/p>\n<pre>public void add(int index, E e)<\/pre>\n<p>\u6b64\u65b9\u6cd5\u63a5\u53d7\u4e24\u4e2a\u53c2\u6570\uff1a\u8981\u6dfb\u52a0\u7684\u5143\u7d20\u7d22\u5f15\u548c\u8981\u6dfb\u52a0\u7684\u5143\u7d20\u3002<\/p>\n<p><strong>\u4f18\u52bf<\/strong><br \/>\u51fd\u6570\u91cd\u8f7d\u63d0\u4f9b\u4e86\u4ee5\u4e0b\u4f18\u52bf\uff1a<\/p>\n<ul>\n<li><strong>\u51cf\u5c11\u4ee3\u7801\u91cd\u590d\uff1a<\/strong>\u60a8\u53ef\u4ee5\u907f\u514d\u4e3a\u4e0d\u540c\u7c7b\u578b\u6216\u53c2\u6570\u6570\u91cf\u7f16\u5199\u591a\u4e2a\u65b9\u6cd5\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u53ef\u8bfb\u6027\uff1a<\/strong>\u4f7f\u7528\u4e00\u4e2a\u5177\u6709\u4e0d\u540c\u53c2\u6570\u5217\u8868\u7684\u65b9\u6cd5\u540d\u66f4\u6613\u4e8e\u7406\u89e3\u548c\u7ef4\u62a4\u3002<\/li>\n<li><strong>\u589e\u5f3a\u529f\u80fd\uff1a<\/strong>\u91cd\u8f7d\u65b9\u6cd5\u5141\u8bb8\u60a8\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u63d0\u4f9b\u66f4\u7279\u5b9a\u7684\u529f\u80fd\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528 <code>ArrayList<\/code> \u4e2d\u7684 <code>add()<\/code> \u65b9\u6cd5\uff1a<\/p>\n<pre>\/\/ \u6dfb\u52a0\u5143\u7d20\u5230\u5217\u8868\u672b\u5c3e\nArrayList&lt;String&gt; list = new ArrayList&lt;&gt;();\nlist.add(\"One\");\n\n\/\/ \u5728\u6307\u5b9a\u7d22\u5f15\u5904\u6dfb\u52a0\u5143\u7d20\nlist.add(1, \"Two\");<\/pre>\n<p><strong>\u7ed3\u8bba<\/strong><br \/>\u51fd\u6570\u91cd\u8f7d\u5728 Java \u96c6\u5408\u6846\u67b6\u4e2d\u88ab\u5e7f\u6cdb\u7528\u4e8e\u63d0\u4f9b\u7075\u6d3b\u6027\u548c\u53ef\u8bfb\u6027\u3002\u901a\u8fc7\u5141\u8bb8\u4f7f\u7528\u76f8\u540c\u7684\u65b9\u6cd5\u540d\u4f46\u5177\u6709\u4e0d\u540c\u7684\u53c2\u6570\u5217\u8868\uff0c\u60a8\u53ef\u4ee5\u4e3a\u5404\u79cd\u573a\u666f\u7f16\u5199\u66f4\u7b80\u6d01\u3001\u66f4\u6709\u6548\u7387\u7684\u4ee3\u7801\u3002<\/p>\n<p>\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300aJava\u51fd\u6570\u91cd\u8f7d\u5728Java\u96c6\u5408\u6846\u67b6\u4e2d\u7684\u5e94\u7528\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8ejava,\u96c6\u5408\u6846\u67b6\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u51fd\u6570\u91cd\u8f7d\u5728Java\u96c6\u5408\u6846&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-202805","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202805","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202805"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202805\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202805"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202805"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}