1  /* 
 2   * Write code to print the following pattern 
 3   * 1
 4   * 1 2
 5   * 1 2 3
 6   * 1 2 3 4
 7   * 1 2 3 4 5
 8   */ 
 9  
10  public class pattern_20 {
11    public static void main(String[] args) {
12      int n = 5; 
13  
14      for(int i = 1; i <= n; i++) {
15        for(int j = 1; j <= i; j++) {
16          System.out.print(j + " ");
17        }
18        System.out.println();
19      }
20    }
21  }