java Iterator

xiaoxiao2021-02-28  103

点击(此处)折叠或打开

import java.util.ArrayList; import java.util.Collection; import java.util.HashMap; import java.util.HashSet; import java.util.Iterator; public class collectionsTest {     public static void main(String[] args)     {         Collection c = new ArrayList();         c.add("Zhouyi");         c.add("Burning Teng");         //System.out.println(c);         //System.out.println(c.c)         Iterator it = c.iterator();         while (it.hasNext())         {                          String str = (String)it.next();             System.out.println(str);             if (str.equals("Burning Teng"))             {                 it.remove();             }             str = "Burning";//当使用Iterator对集合元素进行迭代时,Iterator并不是把集合元素本身传给了迭代变量,而是把集合元素的值传给了迭代变量,所以修改迭代变量的值对集合元素本身没有任何影响。         }         System.out.println(c);     } } 运行结果: Zhouyi Burning Teng [Zhouyi] <script>window._bd_share_config={"common":{"bdSnsKey":{},"bdText":"","bdMini":"2","bdMiniList":false,"bdPic":"","bdStyle":"0","bdSize":"16"},"share":{}};with(document)0[(getElementsByTagName('head')[0]||body).appendChild(createElement('script')).src='http://bdimg.share.baidu.com/static/api/js/share.js?v=89860593.js?cdnversion='+~(-new Date()/36e5)];</script> 阅读(5) | 评论(0) | 转发(0) | 0

上一篇:匿名内部类

下一篇:将博客搬至

相关热门文章 Tomcat 6 配置SSI让Resin支持shtml(SSI)- 静...tomcat + ssiASP JavaScript Lessons(8-14)JDK1.6官方下载_JDK6官方下载_... 给主人留下些什么吧!~~ 评论热议
转载请注明原文地址: https://www.6miu.com/read-58995.html

最新回复(0)