双色球

import java.util.ArrayList;
import java.util.Random;

public class DoubleBall 
{
  public static void main(String[] args) 
  {
    //1.创建33个球号
      String[]ballNumber= {"01","02","03","04","05","06","07","08","09","10","11","12"
              ,"13","14","15","16","17","18","19","20","21","22","23","24","25","26","27"
              ,"28","29","30","31","32","33"};
        //2.创建容器
      ArrayList put=new ArrayList();
      //3.将球放入容器
      for(int i=0;i<ballNumber.length;i++)
      {
          put.add(ballNumber[i]);
      }
      //4.创建篮球
      String[]blue= {"01","02","03","04","05","06","07"};
      //5.创建一个摇号数组--长度为6
      String[]result=new String[6];
      //6.创建随机数工具类
      Random math=new Random();
      //7.从容器中抽取六个红球号码
      for(int j=0;j<result.length;j++)
      {
          int index=math.nextInt(put.size());//生成0~32的随机下标
          result[j]=(String)put.get(index);//根据下标得到相应的球号
          put.remove(index);//将被抽到的球号从数组中移除
      }
      //8.随机抽取一个篮球
      String blueResult=blue[math.nextInt(blue.length)];
      //9.打印
      System.out.println("*********本期开奖************");
      //遍历六个红球结果
      for(int k=0;k<result.length;k++)
      {
          System.out.print("("+result[k]+") ");
      }
      System.out.println();
      System.out.println("篮球开奖号: "+blueResult);
      
  }
}