自制双色球随机号码

        //产生随机数, 彩票自动生成系统
        Random num = new Random();
        int b,c;
        int[] arr1 = new int[6];
        for(int i=1;i<=6;i++) {
            int j = 1;
            int a = num.nextInt(33)+1;
            arr1[i-1] = a;
            if(i!=1) {
                while(j<i) {
                    b = arr1[i-1]-arr1[i-j-1];
                    j++;        
                    if(b==0) {
                        i=1;
                        break;
                    }
                }
            }
        }
        Arrays.sort(arr1);
        System.out.print("红球为:");
        for(int i=1;i<=6;i++) {
            System.out.print(arr1[i-1]+"; ");
        }
        System.out.println();
        c = num.nextInt(16)+1;
        System.out.println("蓝球为:"+c);