package com.imooc;

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

public class StringSort {
    public static List<String> stringList=new ArrayList<String>();
    //生成10个随机字符串,并添加至stringList
    public void createStringList(){
        String stringBasic="0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
        for(int i=0;i<10;i++){
            StringBuilder a=new StringBuilder();
            for(int j=new Random().nextInt(10);j>=0;j--){
                int choice=new Random().nextInt(62);
                char b=stringBasic.charAt(choice);
                a.append(b);
            }
            stringList.add(a.toString());
        }
    }
    //遍历输出
    public void stringForeach(){
        for (String string : stringList) {
            System.out.println("元素:"+string);
        }
    }
    public static void main(String[] args) {
        // TODO 自动生成的方法存根
        StringSort ss=new StringSort();
        ss.createStringList();
        System.out.println("已经随机生成的10个字符串,如下:");
        ss.stringForeach();
        Collections.sort(stringList);
        System.out.println("排序后:");
        ss.stringForeach();
    }
}