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C++ Define and implement the overloaded constructors that support the following

ID: 2246286 • Letter: C

Question

C++

Define and implement the overloaded constructors that support the following test function for a StudentEmployee class. The data members for the StudentEmployee class are:

• age - integer number
• name - String
• DSI - String
• salary - floating point number

int main()
{ //s1 will take all default value
StudentEmployee s1();
//s2 will take all supplied values
StudentEmployee s2 (50, "Jackie Chan", "D87654321", 10000000.99);
//s3 will take supplied age value, name, DSI and salary will take default values
StudentEmployee s3 (25);
//s4 will take supplied age and name value, DSI and salary will take default values
StudentEmployee s4 (35, "Jenny");
//s5 will take supplied age, name and DSI value, salary will take default value
StudentEmployee s5 (45, "Jack", "D11223344");
//s6 will take supplied age, name and salary value, DSI will take default value
StudentEmployee s6 (60, "James Bond", 65000.0);
//s7 will take the same value of s2
StudentEmployee s7=s2;

//the rest of the code
}

Explanation / Answer

#include<iostream>
#include<string>

using namespace std;

class StudentEmployee {
    private:
         int age;
         string name;
         string DSI;
         double salary;
    public:
        
         StudentEmployee(int ag = 0, string nm = "", string dsi = "", double sal = 0.0);
         StudentEmployee(int ag , string nm, double sal);
         StudentEmployee(const StudentEmployee &s2);
         void getData();

};


StudentEmployee::StudentEmployee(int ag, string nm , string dsi, double sal){
             age = ag;
             name = nm;
             DSI = dsi;
             salary = sal;
}
StudentEmployee::StudentEmployee(int ag, string nm , double sal){
             age = ag;
             name = nm;
             DSI = "";
             salary = sal;
}
StudentEmployee::StudentEmployee(const StudentEmployee &s2){
             age = s2.age;
             name = s2.name;
             DSI = s2.DSI;
             salary = s2.salary;
}

void StudentEmployee::getData(){
   cout << age << " " << name << " " << DSI << " " << salary << endl;
}

int main()
{ //s1 will take all default value
StudentEmployee s1; // StudentEmployee s1() is an errornous statement so it has been modified with "()" removed.This will call constructow with all default values                      
s1.getData();
//s2 will take all supplied values
StudentEmployee s2 (50, "Jackie Chan", "D87654321", 10000000.99);
s2.getData();
//s3 will take supplied age value, name, DSI and salary will take default values
StudentEmployee s3 (25);
s3.getData();
//s4 will take supplied age and name value, DSI and salary will take default values
StudentEmployee s4 (35, "Jenny");
s4.getData();
//s5 will take supplied age, name and DSI value, salary will take default value
StudentEmployee s5 (45, "Jack", "D11223344");
s5.getData();
//s6 will take supplied age, name and salary value, DSI will take default value
StudentEmployee s6 (60, "James Bond", 65000.0);
s6.getData();
//s7 will take the same value of s2
StudentEmployee s7=s2;
s7.getData();
}

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