Display a function Learn programming Java

Lesson:

Exercise:

Display a function

Objetive:

Create a program to "draw" the graphic of the function y = (x-4)2 for integer values of x ranging -1 to 8. It will show as many asterisks on screen as the value obtained for "y", like this:

*************************
****************
*********
****
*

*
****
*********
****************

Code:

public class Main
{
	public static void main(String[] args)
	{
		int x,y,j;
		for (x = -1; x <= 8; x++)
		{
			y = (x - 4) * (x - 4);

			for (j = 0; j < y; j++)
			{
			System.out.print("*");
			}
			System.out.println();
		}
	}
}