int main()
{
// create base-class object
CommissionEmployee commissionEmployee(
"Sue", "Jones", "222-22-2222", 10000, .06);
//create base-class pointer
CommissionEmployee *commissionEmployeePtr = 0;
//create derived-class object
BasePlusCommissionEmployee basePlusCommissionEmployee(
"Bob", "Lewis", "333-33-3333", 5000, .04, 300);
//create derived-class pointer
BasePlusCommissionEmployee *basePlusCommissionEmployeePtr = 0;
// set floating - point output formatting
cout << fixed << setprecision(2);
//output objects commissionEmployee and basePlusCommissionEmployee
cout << "Print base-class and derived-class objects:\n\n";
commissionEmployee.print();
cout << "\n\n";
basePlusCommissionEmployee.print();
// aim base-class pounter at base-class object and print
commissionEmployeePtr = &commissionEmployee; // perfectly natural
cout << "\n\n\nCalling print with base-class pointer to "
<< "\nbase-class object invokes base-class print funciton\n\n";
commissionEmployeePtr->print(); //invokes base-class print function
//aim derived-class pointer at derived-class object and print
basePlusCommissionEmployeePtr = &basePlusCommissionEmployee; // natural
cout << "\n\n\nCalling print with derived-class pointer to "
<< "\nderived-class object invokes derived-class "
<< "print function: \n\n";
basePlusCommissionEmployeePtr->print();
//aim base-class pointer at derived-class object and print
commissionEmployeePtr = &basePlusCommissionEmployee;
cout << "\n\n\nCalling print with base-class pointer to "
<< "derived-class object\ninvokes base-class print "
<< "function on that derived-class object:\n\n";
commissionEmployeePtr->print();
cout << endl;
return 0;
} // end main
int main(int argc, const char *argv[]) {
// create base-class object
CommissionEmployee commissionEmployee("Sue", "Jones", "222-22-2222", 10000,
.06);
// create base-class pointer
CommissionEmployee *commissionEmployeePtr = 0;
// create derived-class object
BasePlusCommissionEmployee basePlusCommissionEmployee(
"Bob", "Lewis", "333-33-3333", 5000, .04, 300);
// create dervied-class pointer
BasePlusCommissionEmployee *basePlusCommissionEmployeePtr = 0;
// set floating-point output formatting
std::cout << std::fixed << std::setprecision(2);
// output objects using static binding
std::cout << "Invoking print function on base-class and derived-class "
<< "\nobject with static binding\n\n";
commissionEmployee.print(); // static binding
std::cout << "\n\n";
basePlusCommissionEmployee.print(); // static binding
// output objects with dynamic binding
std::cout << "\n\n\nInvoking print function on base-class and "
<< "derived-class \nobjects with dynamic binding";
// aim base-class pointer at base-class object and print
commissionEmployeePtr = &commissionEmployee;
std::cout << "\n\nCalling virtual function print with derived-class "
<< "pointer\nto derived-class object invokes derived-class "
<< "print function:\n\n";
basePlusCommissionEmployeePtr->print();
// aim base-class pointer at derived-class object and print
commissionEmployeePtr = &basePlusCommissionEmployee;
std::cout << "\n\nCalling virtual function print with base-class pointer"
<< "\nto derived-class object invokes derived-class "
<< "print function:\n\n";
// polymorphism; invokes BasePlusCommissionEmployee's print;
// base-class pointer to derived-class object
commissionEmployeePtr->print();
std::cout << std::endl;
return 0;
}