//program 9 b
public class AreaG<T> {

    private T t;

    public void add(T t) {
        this.t = t;
    }

    public T get() {
        return t;
    }

    public static void main(String[] args) {
        AreaG<Integer> rectangle = new AreaG<>(); 
        AreaG<Double> circle = new AreaG<>();

        rectangle.add(10);
        circle.add(2.5);

        System.out.println("Area of a rectangle is: " +rectangle.get());
        System.out.println("Area of a Circle is: " +circle.get());
    }
}