inserters.cpp

#include <iostream>
#include <cstring>
using namespace std;

    class abc
    {
        public:
            double x, y, z, b, h;  
            abc()
            {
                x=y=z=0;
            }

            abc(double i, double j, double k)
            {
                x=i;
                y=j;
                z=k;
            }

            double area()
            {
                  return b*h;  
            }
            
    };

        // overloading the << operator
        // it can also be a friend member, the coordinates would be Private Data then
    ostream &operator<< (ostream &stream, abc &obj) 
    {
        stream<<obj.x<<" ";
        stream<<obj.y<<" ";
        stream<<obj.z<<" "<<endl;
        cout<<" The Enter values for the Base and Height are: "<<endl;
        stream<<obj.b<<"\n";
        stream<<obj.h<<endl<<" ";
        cout<<" The area is: ";
        stream<<obj.area();
        
        return stream;
    }

        // overloading the >> operator
    istream &operator>> (istream &stream, abc &obj)
    {
        cout<<" Enter the Coordinate Values: "<<endl;
        stream>>obj.x>>obj.y>>obj.z;
        cout<<" Enter the values for the Base and the Height respectively"<<endl;
        stream>>obj.b>>obj.h;

        return stream;
    }


     int main()
    { 
        abc triangle;

        cin>>triangle;
        cout<<" The Entered coordinates are the following: "<<triangle<<endl;
        
        return 0;
    }