Java Program to Print Floyd's Triangle

This java program prints Floyd's triangle. The Floyd's triangle is right-angled triangular array of natural numbers. Here, nested for loop is used to print Floyd's triangle. 

Example of Floyd's triangle:

1
2 3
4 5 6
7 8 9 10
11 12 13 14 15

Java Program to Print Floyd's Triangle

class FloydsTriangle
{
	public static void main(String[] args) {

            int i, j;
	    int a = 1;
	    for ( i= 1 ; i <= 10 ; i++ )
            {
               for ( j = 1 ; j <= i ; j++ )
               {
                   System.out.print(a+" ");
                   a++;
               }
 
               System.out.println();
            }
	}
}

Output:

1
2 3
4 5 6
7 8 9 10
11 12 13 14 15
16 17 18 19 20 21
22 23 24 25 26 27 28
29 30 31 32 33 34 35 36
37 38 39 40 41 42 43 44 45
46 47 48 49 50 51 52 53 54 55