Practice Exercises Java - Learn to program performing exercises with Java

Practice Exercises Java

Learn to program performing exercises with Java

12 Lessons Java with the Solutions - 228 Exercises Java with the solutions
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Display a function - Practice Exercises Java


Lesson 3:

Basic data types


Exercise 3.9:

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:

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

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


Source 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();
		}
	}
}
Exercisey 3.9




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