Aclass 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. print an error message 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 ]".