Aggregation in C++

#include<iostream.h>

#include<conio.h>

class A

{

public:

int a, b;

A()

{

a=5;

b=10;

}

void display()

{

cout<<"Display"<<endl;

}

};

class B

{

public:

int c;

A ob;     //If a class has an object of another class as a Data Member

//It called has-a relationship or aggregation.

void show()

{

//A ob;

cout<<ob.a+ob.b<<endl;

c=11;

cout<<c<<endl;

ob.display();

}

};

main()

{

clrscr();

B ob;

ob.show();

getch();

return 0;

}