Program 13 - C++ program to illustrate the usage of this pointer

/*C++ program to illustrate the usage of this pointer*/

#include<iostream.h>
#include<conio.h>
#include<string.h>

class person
{
       char name[20];
       float age;

public:
      person(char *s,float a)
     {
             strcpy(name,s);
             age=a;
       }

     person &person::greater(person &x)
    {
           if(x.age>=age)
                 return x;
          else
                 return *this;
     }

   void display()
   {
          cout<<"Name: "<<name<<"\nAge: "<<age<<endl;
     }

};

void main()
{
     clrscr();
     person p1("John",37.50),p2("Ahmed",29.0),p3("Heffer",40.25);
     person p=p1.greater(p3);
     cout<<"Elder person is:\n";
     p.display();
     p=p1.greater(p2);
     cout<<"Elder person is\n";
     p.display();
   

    getch();
}

OUTPUT:

Elder person is:
Name: Heffer
Age: 40.25

Elder person is
Name: John
Age: 37.5