Number Pattern 10 by For Loop

Number patterns Some of most interesting topics always in programming...

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

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

        1
       21
      321
     4321
    54321

*/

class npat10
{
public static void main(String a[])
{
int n,i,j,k;

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

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

        for(k=i;k>=1;k--)
        {

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

}
}
}