写一个函数reverseList,该函数能够接受一个List,然后把该List 倒序排列。 例如:  List list = new ArrayList();  list.add(“Hello”);  list.add(“World”);  list.add(“Learn”); //此时list 为Hello World Learn  reverseList

package homework004;

import java.util.ArrayList;
import java.util.List;

public class Daoxu {
    
    public void reverseList(List<String> list)
    {
        List<String> list1 = new ArrayList<>();
        for(int i =list.size()-1;i>=0;i--)
        {    
            list1.add(list.get(i));
        }
        list= list1;
        System.out.println("list="+list);
        
    
    }

    public static void main(String[] args) {
        
        
        List<String> list = new ArrayList<>();
        list.add("Fly");
        list.add("Can");
        list.add("You");
        list.add("Believe");
        list.add("I");
        System.out.println("list="+list);
        Daoxu dx = new Daoxu();
        System.out.println("倒序排列后:");
        dx.reverseList(list);
        
    }

}

 

posted @ 2016-09-27 16:54  HRZJ  阅读(3003)  评论(0编辑  收藏  举报