Referring to the code below, what is the output? class Rectangle{ int length; int width; public Rectangle(int 1, int b){ length-1; width= b; }) public int getArea(){ return length*width; } public int getPerimeter(){ return 2*(length+width); class Ans{ public static void main(String[] args){ Rectangle a new Rectangle(4,5); Rectangle b = new Rectangle(5,8); System.out.println("Area: "+a.getArea()+" Perimeter is "+a.getPerimeter()); System.out.println("Area: "+b.getArea()+" Perimeter is "+b.getPerimeter());