Aggregation In Class Diagram [Examples, C++ Program]

Aggregation In Class Diagram with Examples.

#include <iostream>  
using namespace std;  
class Address {  
    public:  
   string Address_ByT4Tutorials;    
     Address(string Address_ByT4Tutorials)    
    {    
        this->Address_ByT4Tutorials = Address_ByT4Tutorials;    
    }    
};  
class Student_ByT4Tutorials    
    {    
        private:  
        Address* address;  //Student_ByT4Tutorials HAS-A Address_ByT4Tutorials   
        public:  
        int id;    
        string name;    
        Student_ByT4Tutorials(string name, Address* address)    
       {    
           this->name = name;    
           this->address = address;    
       }    
     void display()    
       {    
           cout<<id <<" "<<name<< " "<<     
             address->Address_ByT4Tutorials<<endl;    
       }    
   };   
int main(void) {  
    Address a1= Address("United States");    
    Student_ByT4Tutorials e1 = Student_ByT4Tutorials("Bill Gates",&a1);    
            e1.display();   
   return 0;  
}  

Examples of Aggregation

1.  A Teacher may belong to multiple departments.