Exercise
Function WriteRectangle
Objetive
Write a java function WriteRectangle to display a (filled) rectangle on the screen, with the width and height indicated as parameters, using asterisks. Complete the test program with a Main function:
WriteRectangle(4,3);
should display
****
****
****
Create also a function WriteHollowRectangle to display only the border of the rectangle:
WriteHollowRectangle(3,4);
should display
***
* *
* *
***
Example Code
import java.util.*;
public class Main
{
private static void WriteRectangle(int width, int height)
{
for (int i = 0; i <= width; i++)
{
for (int j = 0; j <= height; j++)
{
System.out.print("*");
}
System.out.println();
}
}
private static void WriteHollowRectangle(int width, int height)
{
for (int i = 1; i <= height; i++)
{
for (int j = 1; j <= width; j++)
{
if ((i == 1) || (i == height))
{
System.out.print("*");
}
else
{
if ((j == 1) || (j == width))
{
System.out.print("*");
}
else
{
System.out.print(" ");
}
}
}
System.out.println();
}
}
public static void main(String[] args)
{
WriteRectangle(4, 3);
System.out.println();
WriteHollowRectangle(3, 4);
new Scanner(System.in).nextLine();
}
}