Question

Write a Menu Driven Program based on Binary file to store data ,Display ,modify, delete , search options (for Example You want to store Employee Data : Employee Code,Name,Salary,Department)

Answer 1

Answer:

#include<iostream>

#include<fstream>

#include<stdio.h>

using namespace std;

//Employee class Declaration

class Employee{

private:

int code;

char name[20];

float salary;

public:

void read();

void display();

//will return employee code

int getEmpCode() { return code;}

//will return employee salary

int getSalary() { return salary;}

//will update employee salary

void updateSalary(float s) { salary=s;}

};

//Read employee record

void Employee::read(){

cout<<"Enter employee code: ";

cin>>code;

cout<<"Enter name: ";

cin.ignore(1);

cin.getline(name,20);

cout<<"Enter salary: ";

cin>>salary;

}

//Display employee record

void Employee::display()

{

cout<<code<<" "<<name<<"\t"<<salary<<endl;

}

//global declaration

fstream file;

//Will delete file when program is being executed

//because we are create file in append mode

void deleteExistingFile(){

remove("EMPLOYEE.DAT");

}

//function to append record into file

void appendToFille(){

Employee x;

//Read employee record from user

x.read();

file.open("EMPLOYEE.DAT",ios::binary|ios::app);

if(!file){

cout<<"ERROR IN CREATING FILE\n";

return;

}

Answer 2

Answer:

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In computing and telecommunications, a menu is a list of options or commands presented to the user of a computer or communications system. A menu may either be a system's entire user interface, or only part of a more complex one.