List集合排序

package sso;import java.util.ArrayList;import java.util.Collections;import java.util.HashMap;import java.util.List;import java.util.Map;public class ListAndShuZu {    public static void main(String[] args) {        // TODO Auto-generated method stub        List<String> stList=new ArrayList<String>();        stList.add("abc");        stList.add("cba");        stList.add("bca");        String a="abcd";        Collections.sort(stList);        for(String s:stList){            System.out.println(s+"\t");        }    }}