floyd 27s triangle number pattern using while loop in java

1// Floyd's triangle number pattern using while loop in java
2import java.util.Scanner;
3public class FloydTriangleWhileLoop
4{
5   public static void main(String[] args) 
6   {
7      Scanner sc = new Scanner(System.in);
8      System.out.println("Enter the number of rows of floyd's triangle you want to print: ");
9      int rows = sc.nextInt();
10      int number = 1;
11      System.out.println("Floyd triangle in java using while loop");
12      int a = 1;
13      int b = 1;
14      while(a <= rows)
15      {
16         b = 1;
17         while(b <= a)
18         {
19            System.out.println(number + " ");
20            number++;
21            b++;
22         }
23         System.out.println();
24         a++;
25      }
26      sc.close();
27   }
28}