package trenator.basic2;import java.util.List;import java.util.ArrayList;import java.util.Set;import java.util.HashSet;import java.util.Iterator;import java.awt.Color;/* * 集合框架的学习！ *  */public class Demo1 {    public static void main(String[] args){    String[] values={"red","white","blue","red","black","blue"};    List list=new ArrayList();//超类型变量引用    Set set=new HashSet();        for(int i=0;i