Number Pattern 7 by for loop

Code Box by for loop
-----------------------------

/*program to print star pattern square box by for loop

  1
  21
  321
  4321
  54321

*/

class npat7
{
public static void main(String a[])
{
int n,i,j;

n=Integer.parseInt(a[0]);

for(i=1;i<=n;i++)
{
        for(j=i;j>=1;j--)
        {
        System.out.print(j);
        }

System.out.print("\n");

}

}


}