HW4.45

 1 public class Solution
 2 {
 3     public static void main(String[] args)
 4     {
 5         int count = 0;
 6 
 7         for(int i = 1; i <= 7; i++)
 8         {
 9             for(int j = i + 1; j <= 7; j++)
10             {
11                 System.out.println(i + "\t" + j);
12                 count++;
13             }
14         }
15 
16         System.out.println("Total groups number is " + count);
17     }
18 }