package ditu.com;import java.util.ArrayList;import java.util.Collections;import java.util.List;public class TestCollections {    public static void main(String[] args) {List
     
      list=new ArrayList
      
       ();Collections.addAll(list, "james","bill","ciana","dog");List
       
        l=new ArrayList
        
         ();Collections.addAll(l, "张三","爸爸","大小姐");Collections.copy(list, l);System.out.println(list);    }}