package cn.itcast_01; import java.util.ArrayList; import java.util.Collection; import java.util.Iterator;
public class IteratorTest {
public static void main(String[] args) { //创建集合对象 Collection it=new ArrayList(); //创建学生对象 Student s1=new Student("射雕英雄",22); Student s2=new Student("九阴真经",11); Student s3=new Student("乾坤大挪移",22); Student s4=new Student("盖世英雄",12); //把学生对象添加到集合中 it.add(s1); it.add(s2); it.add(s3); it.add(s4); //迭代器遍历数组 Iterator cc=it.iterator(); while (cc.hasNext()) { System.out.println(cc.next()); //可以通过下面的方式得到自己想要的文字 Student se=(Student)cc.next(); System.out.println(se.getName()); } } }