Java Program to print Floyd’s triangle

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Floyd’s triangle is a right-angled triangular array of natural numbers,It is defined by filling the rows of the triangle with consecutive numbers, starting with a 1 in the top left corner. It is named after Robert Floyd.

 

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Program To Print Floyd’s Triangle in Java

 

 class PrintFloydTriangle
 
  {

  public static void floydTriangle(int n)
 
     {
        int j, k, num = 1;
        for (j = 1; j <= n; j++) {
            for (k = 1; k < j + 1; k++) {
                System.out.print(num++ + " ");
            }
 
            System.out.println();
        }
    }
 public static void main(String[] args)
 {
floydTriangle(6);
 }
}

Output:-

1
2 3
4 5 6
7 8 9 10
11 12 13 14 15
16 17 18 19 20 21

 

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