Amazon has recently updated the salary structure for its employees in various designations. The employees are classified into three main groups: Project Managers, System Engineers, and Technical Assistants. Each designation has different allowances added to their basic pay(if basic pay=0, then salary=0). Project Managers receive all allowances(Additional Grade Pay, Dearness Allowance) except Travel Allowances (TA). System Engineers receive only basic pay, House Rental Allowance and TA, while Technical Assistants receive only fixed basic pay without any allowances. Implement this salary scheme in a C++ program where the base class Employee represents all employees' common attributes and behaviours. ProjectManager, SystemEngineer, and TechnicalAssistant should be derived classes from Employee. The Employee class should have a constructor to initialize common attributes like name and basic pay, and each derived class should have its own constructor to initialize its specific attributes. Write a main() function to display the salary with respective class objects. Sample input John Smith 5000 1000 500 Emily Johnson 4000 300 800 Michael Brown 3000 Sample output 6500 5100
Question
Amazon has recently updated the salary structure for its employees in various designations. The employees are classified into three main groups: Project Managers, System Engineers, and Technical Assistants. Each designation has different allowances added to their basic pay(if basic pay=0, then salary=0). Project Managers receive all allowances(Additional Grade Pay, Dearness Allowance) except Travel Allowances (TA). System Engineers receive only basic pay, House Rental Allowance and TA, while Technical Assistants receive only fixed basic pay without any allowances. Implement this salary scheme in a C++ program where the base class Employee represents all employees' common attributes and behaviours. ProjectManager, SystemEngineer, and TechnicalAssistant should be derived classes from Employee. The Employee class should have a constructor to initialize common attributes like name and basic pay, and each derived class should have its own constructor to initialize its specific attributes. Write a main() function to display the salary with respective class objects.
Sample input John Smith 5000 1000 500 Emily Johnson 4000 300 800 Michael Brown 3000
Sample output 6500 5100
Solution
Here is a simple implementation of the salary scheme in C++:
#include<iostream>
#include<string>
using namespace std;
class Employee {
protected:
string name;
double basic_pay;
public:
Employee(string n, double bp) : name(n), basic_pay(bp) {}
virtual double calculateSalary() = 0; // Pure virtual function
};
class ProjectManager : public Employee {
private:
double additional_grade_pay;
double dearness_allowance;
public:
ProjectManager(string n, double bp, double agp, double da) : Employee(n, bp), additional_grade_pay(agp), dearness_allowance(da) {}
double calculateSalary() {
return basic_pay + additional_grade_pay + dearness_allowance;
}
};
class SystemEngineer : public Employee {
private:
double house_rent_allowance;
double travel_allowance;
public:
SystemEngineer(string n, double bp, double hra, double ta) : Employee(n, bp), house_rent_allowance(hra), travel_allowance(ta) {}
double calculateSalary() {
return basic_pay + house_rent_allowance + travel_allowance;
}
};
class TechnicalAssistant : public Employee {
public:
TechnicalAssistant(string n, double bp) : Employee(n, bp) {}
double calculateSalary() {
return basic_pay;
}
};
int main() {
ProjectManager pm("John Smith", 5000, 1000, 500);
SystemEngineer se("Emily Johnson", 4000, 300, 800);
TechnicalAssistant ta("Michael Brown", 3000);
cout << pm.calculateSalary() << endl;
cout << se.calculateSalary() << endl;
cout << ta.calculateSalary() << endl;
return 0;
}
This program defines an abstract base class Employee with a pure virtual function calculateSalary(). The derived classes ProjectManager, SystemEngineer, and TechnicalAssistant each implement this function according to their respective salary calculation rules. The main() function creates an object of each class, calculates the salary, and prints it.
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