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  1. class Numpyramid
  2. {
  3.     public static void main(String[] args) 
  4.     {
  5.  
  6.  
  7.         int rows = 5;
  8.  
  9.         for (int i = 1; i <= rows; i++) 
  10.         {
  11.             for (int j = 1; j <= i; j++)
  12.             {
  13.                 System.out.print(j+" ");
  14.             }
  15.  
  16.             System.out.println();
  17.         }
  18.  
  19.        }
  20.     }
Success #stdin #stdout 0.09s 27628KB
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Standard input is empty
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1 
1 2 
1 2 3 
1 2 3 4 
1 2 3 4 5
https://ideone.com/xQ6c9K
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
secret

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