simple program using templates (OOP) (86)

 #include<iostream>

using namespace std;

template<typename p>

class Rectangle

{

private:

p width ;

p length ;

p area ;

public:

     void setData(p w, p l)

     { 

       width = w; 

   length = l;

}

     void calcArea()

     { 

        area = width * length ;

}

      p getWidth()

     { 

   return width ;

}

    p getLength()

     {

  return length ;

}

     p getArea ()

    { 

  return area ; 

}

};

int main()

{

Rectangle<double> obj1;

obj1.setData(4.5,7.8);

obj1.calcArea();

cout<<"the width of the Rectangle:"<<obj1.getWidth()<<endl;

cout<<"the length of the Rectangle:"<<obj1.getLength()<<endl;

cout<<"the area of the Rectangle:"<<obj1.getArea()<<endl;

}