Mega Code Archive
Call the virtual function from classes stored in a vector
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#include <iostream>
#include <string>
#include <vector>
using namespace std;
class Employee {
string firstName, lastName;
public:
Employee(string fnam, string lnam) {
firstName = fnam;
lastName = lnam;
}
virtual void print() const {
cout << firstName << " " << lastName << " ";
}
virtual ~Employee(){}
};
class Manager : public Employee {
short level;
public:
Manager(string fnam, string lnam, short lvl)
: Employee(fnam, lnam), level(lvl) {}
void print() const {
Employee::print();
cout << " works at level: " << level;
}
~Manager(){}
};
int main()
{
vector<Employee*> empList;
Employee* e1 = new Employee("A", "B");
Employee* e2 = new Employee("C", "D");
Employee* e3 = new Manager( "E", "F", 2 );
Employee* e4 = new Manager( "G", "H", 3 );
empList.push_back( e1 );
empList.push_back( e2 );
empList.push_back( e3 );
empList.push_back( e4 );
vector<Employee*>::iterator p = empList.begin();
while ( p < empList.end() ) {
(*p++)->print();
cout << endl;
}
delete e1;
delete e2;
delete e3;
delete e4;
return 0;
}
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