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In this program, we are going to write a Program to Maintain Employee Database using Virtual class and Polymorphism in C++ Programming Language.Â
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The Code given below can be used in gcc/g++ Compilers: -
#include <iostream>
#include <stdlib.h>
using namespace std;
class person
{
protected:
char name[20];
int code;
public:
void getdetail(void)
{
cout << "\n\nEnter name : ";
cin >> name;
cout << "\nEnter code : ";
cin >> code;
}
void dispdetail(void)
{
cout << "\n\nNAME : " << name;
cout << "\nCODE : " << code;
}
};
class account : virtual public person
{
protected:
float pay;
public:
void getpay(void)
{
cout << "\nEnter Pay amount : ";
cin >> pay;
}
void dispay(void)
{
cout << "\nPAY : " << pay;
}
};
class admin : virtual public person
{
protected:
int experience;
public:
void getexpr(void)
{
cout << "\nEnter Experience in yrs : ";
cin >> experience;
}
void dispexpr(void)
{
cout << "\nEXPERIENCE: " << experience;
}
};
class master : public account, public admin
{
public:
void create(void)
{
cout << "\n\n=====GETDATA IN=====\n";
getdetail();
getpay();
getexpr();
}
void display(void)
{
cout << "\n\n=====DISPLAY DETAILS=====\n";
dispdetail();
dispay();
dispexpr();
}
void update(void)
{
cout << "\n\n=====UPDATE DETAILS=====\n";
cout << "\nChoose detail you want to update\n";
cout << "1) NAME\n";
cout << "2) CODE\n";
cout << "3) PAY\n";
cout << "4) EXPERIENCE\n";
cout << "Enter your choice:- ";
int choice;
cin >> choice;
switch (choice)
{
case 1:
cout << "\n\nEnter name : ";
cin >> name;
break;
case 2:
cout << "\n\nEnter code : ";
cin >> code;
break;
case 3:
cout << "\n\nEnter pay : ";
cin >> pay;
break;
case 4:
cout << "\n\nEnter Expereince : ";
cin >> experience;
break;
default:
cout << "\n\nInvalid choice\n\n";
}
}
};
int main()
{
master ob1;
int choice;
while (1)
{
cout << "\n\n=====EMPLOYE DATABASE=====\n\n";
cout << "\nChoose Operation you want to perform\n";
cout << "1) Create Record\n";
cout << "2) Display Record\n";
cout << "3) Update Record\n";
cout << "4) Exit\n";
cout << "\nEnter your choice: ";
cin >> choice;
switch (choice)
{
case 1:
ob1.create();
break;
case 2:
ob1.display();
break;
case 3:
ob1.update();
break;
case 4:
exit(1);
default:
cout << "\n\nInvalid Choice\nTry Again\n\n";
}
}
return 0;
}
//.......Coded by RISHAB NAIRThe Code given below can be used in Turbo C++ Compilers: -
#include <iostream.h>
#include <stdlib.h>
#include <conio.h>
class person
{
protected:
char name[20];
int code;
public:
void getdetail(void)
{
cout << "\n\nEnter name : ";
cin >> name;
cout << "\nEnter code : ";
cin >> code;
}
void dispdetail(void)
{
cout << "\n\nNAME : " << name;
cout << "\nCODE : " << code;
}
};
class account : virtual public person
{
protected:
float pay;
public:
void getpay(void)
{
cout << "\nEnter Pay amount : ";
cin >> pay;
}
void dispay(void)
{
cout << "\nPAY : " << pay;
}
};
class admin : virtual public person
{
protected:
int experience;
public:
void getexpr(void)
{
cout << "\nEnter Experience in yrs : ";
cin >> experience;
}
void dispexpr(void)
{
cout << "\nEXPERIENCE: " << experience;
}
};
class master : public account, public admin
{
public:
void create(void)
{
cout << "\n\n=====GETDATA IN=====\n";
getdetail();
getpay();
getexpr();
}
void display(void)
{
cout << "\n\n=====DISPLAY DETAILS=====\n";
dispdetail();
dispay();
dispexpr();
}
void update(void)
{
cout << "\n\n=====UPDATE DETAILS=====\n";
cout << "\nChoose detail you want to update\n";
cout << "1) NAME\n";
cout << "2) CODE\n";
cout << "3) PAY\n";
cout << "4) EXPERIENCE\n";
cout << "Enter your choice:- ";
int choice;
cin >> choice;
switch (choice)
{
case 1:
cout << "\n\nEnter name : ";
cin >> name;
break;
case 2:
cout << "\n\nEnter code : ";
cin >> code;
break;
case 3:
cout << "\n\nEnter pay : ";
cin >> pay;
break;
case 4:
cout << "\n\nEnter Expereince : ";
cin >> experience;
break;
default:
cout << "\n\nInvalid choice\n\n";
}
}
};
void main()
{
clrscr();
master ob1;
int choice;
while (1)
{
cout << "\n\n=====EMPLOYE DATABASE=====\n\n";
cout << "\nChoose Operation you want to perform\n";
cout << "1) Create Record\n";
cout << "2) Display Record\n";
cout << "3) Update Record\n";
cout << "4) Exit\n";
cout << "\nEnter your choice: ";
cin >> choice;
switch (choice)
{
case 1:
ob1.create();
break;
case 2:
ob1.display();
break;
case 3:
ob1.update();
break;
case 4:
exit(1);
default:
cout << "\n\nInvalid Choice\nTry Again\n\n";
}
}
getch();
}
//.......Coded by RISHAB NAIR
#ENJOY CODING
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