PHP Getter ve Setter vs Constructor m

#include <iostream>
using namespace std;

class AbstractEmployee { //Abstract
    virtual void AskForPromotion() = 0;
};

class Employee : AbstractEmployee{
    //Encapsulation
    string Name;
    string Department;
    string Relation;
    int Experience;
    int Age;

public:
    void setName(string name){
        Name = name;
    }
    string getName(){
        return Name;
    }

    void setDepartment(string department){
        Department = department;
    }
    string getDepartment(){
        return Department;
    }

    void setRelation(string relation){
        Relation = relation;
    }
    string getRelation(){
        return Relation;
    }

    void setExperience(int experience){
        Experience = experience;
    }
    int getExperience(){
        return Experience;
    }

    void setAge(int age){
        if(age >= 18)
        Age = age;
    }
    int getAge(){
        return Age;
    }
    void IntroduceYourself() {
        cout << "Name: " << Name << endl;
        cout << "Department: " << Department << endl;
        cout << "Relation: " << Relation << endl;
        cout << "Experience: " << Experience << endl;
        cout << "Age: " << Age << endl;
    }
    Employee(string name, string department, string relation, int experience, int age) {
        Name = name;
        Department = department;
        Relation = relation;
        Experience = experience;
        Age = age;
    }
    void AskForPromotion() {
        if(Age >= 25 && Relation == "Good" && Experience >= 3)
        cout << Name << " , you got promoted! Yaaay." << endl;
        else
        cout << "Sorry " << Name << " , your promotion is denied..." << endl;
    }
};

int main(){
    Employee emp1 = Employee("Gorkem", "IT", "Good", 2, 27);
    Employee emp2 = Employee("Furkan", "Web", "Good", 3, 28);
    emp1.AskForPromotion();
    emp2.AskForPromotion();

    return 0;
}