Help with C++ assignment on inheritance? Inheritance Assignment Create a program

Question

Help with C++ assignment on inheritance?

Inheritance Assignment Create a program that will prompt the user, through a menu, to enter data on various employees within an organization and display their pay. Use the information as specified below 1. Create a class according to the following specifications Class Name: emp EmpName pointer to a character EmpSSN - long integer Data Methods 1. A default constructor to initialize the data members 2. A copy constructor 2. A destructor 4. Accessor functions for both data members 5. A function named display() to display both data members on one line with no labels 2. Derive the following classes from the above Class Name: hourly_emp EmpRate - float, representing the hourly rate of pay EmpHours - an integer representing the number of hours worked Data Methods 1. A default constructor, a copy constructor, and a destructor 2. Accessor functions for the data members of this class 3. A function named display() to display the name, SSN, and the amount of pay (rate * hours) for an hourly employee Class Name: salaried emp Data Methods EmpSalary - float, representing the salary 1. A default constructor, a copy constructor, and a destructor 2. An accessor function for the data member of this class 3. A function named display() to display the name, SSN, and the amount of pay for a salaried employee After you have defined the above classes, write a main function (to include any necessary subfunctions required to create a structured, modularized program !!!) to test your classes. This function should 1. Display a menu to prompt the user to enter an integer value to identify the employee class 1 Salaried 2 = Hourly 3 = Unclassified

Explanation / Answer

#include <iostream>
using namespace std;

class emp
{
char* EmpName;
long EmpSSN;
public:
emp(char name[20],long ssn)  
{
   EmpName=name;
   EmpSSN=ssn;
}
~emp()
{

}
emp(emp E1)
{
   EmpName=E1.EmpName;
   EmpSSN=E1.EmpSSN;
}
char* getName()
{
   return EmpName;
}
long getSSN()
{
   return EmpSSN;
}
void display()
{
   cout<<endl<<EmpName<<" "<<EmpSSN;
}
};

class hourly_emp : public emp
{
float EmpRate;
int EmpHours;
public:
hourly_emp(char name[20],long ssn,float rate, int hours):emp(name,ssn)
{
   EmpRate=rate;
   EmpHours=hours;
}  
float getEmpRate()
{
   return EmpRate;
}
int getEmpHours()
{
   return EmpHours;
}
void display()
{
   cout<<endl<<EmpName<<" "<<EmpSSN<<" "<<(EmpRate*EmpHours);
}
};
class salaried_emp : public emp
{
float EmpSalary;

public:
hourly_emp(char name[20],long ssn,float sal):emp(name,ssn)
{
   EmpSalary=sal;
}  

float getEmpSalary()
{
   return EmpSalary;
}
void display()
{
   cout<<endl<<EmpName<<" "<<EmpSSN<<" "<<EmpSalary;
}
};
int menu()
{
   cout<<endl<<"1. Salaried Employee";
   cout<<endl<<"2. Hourly Employee";
   cout<<endl<<"3. Unclassified Employee";
   cout<<endl<<"Enter your choice: ";
   int c;
   cin>>c;
   return c;
}
int main()
{
   emp *E;
   hourly_emp *H;
   salaried_emp *S;
   int e=0;
   int h=0;
   int s=0;
   int i=0;
   char name[20];
       long ssn;
       float salary;
       int hours;
       float rate;
   while(i<5)
   {
   int choice=menu();
   switch(choice)  
   {
       case 1: //salaried
       cout<<endl<<"Enter Name: ";
       cin>>name;
       cout<<endl<<"Enter SSN: ";
       cin>>ssn;
       cout<<endl<<"Enter Salary: ";
       cin>>salary;
       S[s++]=new salaried_emp(name,ssn,salary);
       break;
       case 2: //Hourly
       cout<<endl<<"Enter Name: ";
       cin>>name;
       cout<<endl<<"Enter SSN: ";
       cin>>ssn;
       cout<<endl<<"Enter rate: ";
       cin>>rate;
       cout<<endl<<"Enter hours: ";
       cin>>hours;
       H[h++]=new hourly_emp(name,ssn,rate,hours);
       break;
       case 3: //unclassified
       cout<<endl<<"Enter Name: ";
       cin>>name;
       cout<<endl<<"Enter SSN: ";
       cin>>ssn;
       E[e++]=new emp(name,ssn);
       break;
   }
   i++;
   }
   cout<<endlendl<<"unclassified employee information";
   for(int j=0;j<e;j++)
   {
       E[j].display();
   }
   cout<<endl<<"Salaried employee information";
   for(int j=0;j<s;j++)
   {
       S[j].display();
   }
   cout<<endl<<"Hourly employee information";
   for(int j=0;j<h;j++)
   {
       H[j].display();
   }
   return 0;
}

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