自制双色球随机号码

 1         //产生随机数, 彩票自动生成系统
 2         Random num = new Random();
 3         int b,c;
 4         int[] arr1 = new int[6];
 5         for(int i=1;i<=6;i++) {
 6             int j = 1;
 7             int a = num.nextInt(32)+1;
 8             arr1[i-1] = a;
 9             if(i!=1) {
10                 while(j<i) {
11                     b = arr1[i-1]-arr1[i-j-1];
12                     j++;        
13                     if(b==0) {
14                         i=1;
15                         break;
16                     }
17                 }
18             }
19         }
20         Arrays.sort(arr1);
21         System.out.print("红球为:");
22         for(int i=1;i<=6;i++) {
23             System.out.print(arr1[i-1]+"; ");
24         }
25         System.out.println();
26         c = num.nextInt(15)+1;
27         System.out.println("蓝球为:"+c);