无聊,发一个Iterator遍历的例证
无聊,发一个Iterator遍历的例子
package com.heji.test; import java.util.ArrayList; import java.util.Iterator; import java.util.List; /** * 测试Iterator * * @author heji * */ public class TestIterator { public static void main(String[] args) { List<String> list = new ArrayList<String>(); list.add("a"); list.add("b"); list.add("c"); list.add("d"); Iterator<String> it = list.iterator(); while(it.hasNext()) { System.out.print(it.next() + " "); } System.out.println(); for(Iterator<String> iterator = list.iterator(); iterator.hasNext();) { System.out.print(iterator.next() + " "); } } }