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 ]