package imooc_exception_demo;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Random;

public class StringSort {

    List<String> stringList= new ArrayList<String>();

    public void testSort2(){
        Random random = new Random();
        for(int i=0;i<10;i++){
            int j = random.nextInt(9)+1;
            String s1="";
            for(int k=0;k<j;k++){
                int num=random.nextInt(62);
                if(num>9)
                    s1=s1+(char)('A'+(num-9));//取0-9 A-Z a-z 中间有特殊字符不知道怎么处理
                else
                    s1=s1+num;
            }
            System.out.println("成功添加字符串："+s1);
            stringList.add(s1);
        }
        System.out.println("--------排序前-----------");
        for(String ss:stringList){
            System.out.println("元素："+ss);
        }
        Collections.sort(stringList);
        System.out.println("--------排序后-----------");
        for(String ss:stringList){
            System.out.println("元素："+ss);
        }
    }
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        StringSort ss = new StringSort();
        ss.testSort2();
    }
}