CREATING A OBJECT IN HEAP USING POINTER

 #include<iostream>

using namespace std;

class rectangle

{

    public:

    int length;

    int breadth;

    int area()

    {

        return length*breadth;

    }

    int perimeter()

    {

        return 2*(length+breadth);

    }

    int sum()

    {

        return length+breadth;

    }

    int rec()

    {

        return 4*(length+breadth);

    }

};

int main()

{

    rectangle *p;

    p=new rectangle;

    rectangle *q=new rectangle();

    p->length=20;

    p->breadth=30;

    cout<<p->area()<<endl;

    cout<<p->perimeter()<<endl;

}