Write a class called Rectangle that represents a rectangular two-dimensional region. Your...

Write a class called Rectangle that represents a rectangular two-dimensional region. Your Rectangle objects should have the following methods:

public Rectangle (int x, int y, int width, int height)

Constructs a new Rectangle whose top-left corner is specified by the given coordinates and with the given width and height. Throw an IllegalArgumentException on a negative width or height.

public int getHeight ( )

Returns this Rectangle’s height.

public int getWidth ( )

Returns this Rectangle’s width.

public int getX ( )

Returns this Rectangle’s x-coordinate.

public int getY ( )

Returns this Rectangle’s y-coordinate.

public String toString ( )

Returns a String representation of this Rectangle, such as "Rectangle [x = 1, y=2, width = 3 , height = 4]".