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//Program to demonstrate another example generic class with single type parameter rectangle class class Rectangle<T> { private T length; private T breadth; public Rectangle(T length,T breadth){ this.length=length; this.breadth=breadth; } public T getLength(){ return length; } public T getBreadth(){ return breadth; } public void setLength(T length) { this.length=length; } public void setBreadth(T breadth) { this.breadth=breadth; } public String toString() { return "Dimension{" + "length=" + length + ", breadth=" + breadth + "}"; } } public class RectangleDemo{ public static void main(String args[]){ Rectangle<Integer> ob=new Rectangle<>(18,10); System.out.println(ob.toString()); Rectangle<Double> ob1=new Rectangle<>(12.1,8.7); System.out.println(ob1.toString()); } }