模拟双色球小程序

import java.util.Random;
/*
 * 双色球
 * 代码如下
 */
class Ball{ //创建球类
  private boolean flag=true;  //是否重复标记
  private int intRd = 0;  //记录随机数
  int[]  Color(int[] a){
    int count = 0;
    Random rdm = new Random(System.currentTimeMillis());
    while(count<a.length){
      intRd = Math.abs(rdm.nextInt())%33+1;
      for(int i=0;i<count;i++){
        if(a[i]==intRd){
          flag = false;
          break;
        }else{
          flag = true;
        }
      }
      if(flag){
        a[count] = intRd;
        count++;
      }
    }
    return a;
  }
}
public class MathDemo {
  public static void main(String[] args) {
    int[] OldRed = new int[6];
    Random rdm = new Random(System.currentTimeMillis());
    int Blue = Math.abs(rdm.nextInt())%16+1;
    Ball b = new Ball();   //创建球对象    
    int[] NewRed = b.Color(OldRed);
    System.out.print("RedBall: ");
    for(int i = 0;i<NewRed.length;i++){
      if(NewRed[i]<10){
        System.out.print("0"+NewRed[i]+" ");
      }else{
        System.out.print(NewRed[i]+" ");
      }
    }
    System.out.println();
    if(Blue<10){
      System.out.println("BlueBall: 0"+Blue);
    }else{
      System.out.print("BlueBall: "+Blue);
    }   
  }
}