C program to maintain database of employees, C/C++ Programming

Assignment Help:

Aim: To implement a program to maintain information of employees in an educational institute using inheritance.

Code:

class staff

{

int code;

char name[20];

public:

void getdata();

void displaydata();

};

class teacher:staff

{

char subject[10];

char publication[20];

public:

void getdata();

void displaydata();

};

class typist:staff

{

int speed;

public:

void getdata();

void displaydata();

};

class regular:typist

{

int salary;

public:

void getdata();

void displaydata();

};

class casual:typist

{

int daily_wages;

public:

void getdata();

void displaydata();

};

class officer:staff

{

int grade;

public:

void getdata();

void displaydata();

};

void staff::getdata()

{

cout<<"\nEmployee code: ";

cin>>code;

cout<<"Name: ";

cin>>name;

}

void officer::getdata()

{

staff::getdata();

cout<<"Enter Officer Grade: ";

cin>>grade;

}

void teacher::getdata()

{

staff::getdata();

cout<<"Enter Subject: ";

cin>>subject;

cout<<"Enter Publication: ";

cin>>publication;

}

void typist::getdata()

{

staff::getdata();

cout<<"Enter typing speed: ";

cin>>speed;

}

void regular::getdata()

{

typist::getdata();

cout<<"Enter salary: ";

cin>>salary;

}

void casual::getdata()

{

typist::getdata();

cout<<"Enter daily Wages: ";

cin>>daily_wages;

}

void staff::displaydata()

{

cout<<"\nEmployee code: "<

cout<<"\nName: "<

}

void officer::displaydata()

{

staff::displaydata();

cout<<"\nOfficer Grade: "<

}

void teacher::displaydata()

{

staff::displaydata();

cout<<"\nSubject: "<

cout<<"\nPublication: "<

}

void typist::displaydata()

{

staff::displaydata();

cout<<"\nTyping speed: "<

}

void regular::displaydata()

{

typist::displaydata();

cout<<"\nSalary: Rs."<

}

void casual::displaydata()

{

typist::displaydata();

cout<<"Daily Wages: Rs."<

}

void main()

{

int ch;

clrscr();

{

cout<<"\n\n1. Teacher\n2. Officer\n3. Typist\n4. Exit\nEnter your choice:";

cin>>ch;

switch(ch)

{

case 1:

teacher t1;

cout<<"\n\tEnter Teacher's Details:";

t1.getdata();

cout<<"\n\t**Details Registered Successfully**\n\n";

t1.displaydata();

break;

case 2:

officer o1;

cout<<"\n\tEnter Officer's Details:";

o1.getdata();

cout<<"\n**\tDetails Registered Successfully**\n\n";

o1.displaydata();

break;

case 3:

int typ;

cout<<"\n1. Regular Typist\n2. Casual Typist\nEnter choice:";

cin>>typ;

switch (typ)

{

case 1:

regular tr1;

cout<<"\n\tEnter Typist's Details:";

tr1.getdata();

cout<<"\n**\tDetails Registered Successfully**\n\n";

tr1.displaydata();

break;

case 2:

casual tc1;

cout<<"\n\tEnter Typist's Details:";

tc1.getdata();

cout<<"\n**\tDetails Registered Successfully**\n\n";

tc1.displaydata();

break;

default:

cout<<"Wrong Selection!";

}

}while(ch!=4);

getch();

}

Output:

1. Teacher

2. Officer

3. Typist

4. Exit

Enter your choice: 3

1. Regular Typist

2. Casual Typist

Enter choice:2

Enter Typist's Details:

Employee code: 555

Name: Anjali

Enter typing speed: 53

Enter daily Wages: 250

** Details Registered Successfully**

Employee code: 555

Name: Anjali

Typing speed: 53 wpm

Daily Wages: Rs.250

1. Teacher

2. Officer

3. Typist

4. Exit

Enter your choice:4

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