A program to Display Invert Triangle using while loop

Example: Input – 5 Output : 5 5 5 5 5 4 4 4 4 3 3 3 2 2 1
class InvertTriangle
{
public static void main(String args[])
{
int num = Integer.parseInt(args[0]);
while(num > 0)
{
for(int j=1;j<=num;j++)
{
System.out.print(” “+num+” “);
}
System.out.print(“\n”);
num–;
}
}
}