Today's Topic Cs201 Assignment 3 solution Fall 2019 Year 2020

Code Of C++ Program

Cs201 Assignment 3 solution Fall

Cs201 Assignment 3 solution Fall

#include<iostream>
#include<fstream>
#include<string.h>

using namespace std;
void addemployee();
void showemployee();

class employee {

int employee_id;
string employee_name;
int employee_salary;
public:
employee(){

}
void setid(int id){
employee_id=id;
}
void setname(string name){
employee_name=name;
}

void setsalary(int salary){
employee_salary=salary;
}
int getid(){
return this->employee_id;
}
string getname(){
return this->employee_name;
}
int getsalary(){
return this->employee_salary;
}
};
employee anEmployee;
void addemployee(){
int id;
cout<<"enter employee ID: ";
cin>>id;
anEmployee.setid(id);
cout<<"enter employee Name: ";
string name;
cin>>name;
anEmployee.setname(name);
int salry;

cout<<"enter employee Salary: ";
cin>>salry;
anEmployee.setsalary(salry);
ofstream empfile("employee.txt",ios::binary|ios::app);

if(!empfile) {
cout << "Cannot open file!" << endl;
return ;
}
empfile.write((char*)&anEmployee, sizeof(employee));
//cout<<anEmployee.getid()<<" "<<anEmployee.getname()<<"
"""<<anEmployee.getsalary();
empfile.close();
if(!empfile.good()) {
cout << "Error occurred at writing time!" << endl;
return ;
}
cout << "Employee Recored added Sucessfully!" << endl;
}

void displayRecord() {
// employee anEmployee;
ifstream file("employee.txt",ios::binary);
if(!file) {

cout<<"Error in opening file.\n";
return;
} else {
cout<<"ID"<<" "<<"Name"<<"\t"<<"Salary"<<endl;
cout<<"======================================================="<<en
dl;
while(file.read((char*)&anEmployee,sizeof(employee))) {

cout<<anEmployee.getid()<<"
"<<anEmployee.getname()<<"\t"<<anEmployee.getsalary();
cout<<endl;
}
file.close();
}
}

// function to show employee data
void updateSalary() {
fstream file("employee.txt",ios::binary|ios::in|ios::out);
if(!file) {
cout<<"Error in opening file.\n";
return;
}
int eCode,sHike;





cout<<"Enter employee code\n";
cin>>eCode;
cout<<"Salary hike? ";
cin>>sHike;
file.seekg(sizeof(anEmployee)*(eCode-1),ios::beg);
file.read((char*)&anEmployee,sizeof(employee));
anEmployee.setsalary(sHike+anEmployee.getsalary());
file.seekp(sizeof(anEmployee)*(eCode-1),ios::beg);
file.write((char*)&anEmployee,sizeof(employee));
cout<<"Salary updated successfully.\n";
}
main()
{
ifstream file("employee.txt");
if(file) {
file.close();
remove("employee.txt");
}
int programOption;
while(true){

cout<<"\n\n\n";
cout<<"Please select the option Below,.\n";
cout<<"Please enter 1 To ADD AN EMPLOYEE.\n";

cout<<"Please enter 2 To DISPLAY FILE DATA..\n";
cout<<"Please enter 3 To INCREASE EMPLOYEE SALARY..\n";
cout<<"Please enter 4 To Exit Program..\n";

cout<<"============================================================
======\n";
cout<<"Please enter program option :";
cin>>programOption;

switch(programOption){
case 1 :
cout<<"ADD AN EMPLOYEE DATA.\n";
addemployee();
break;
case 2 :
cout<<"Showing Employee Data.\n";
displayRecord();
break;
case 3 :
cout<<"Update salary .\n";
updateSalary();
break;
case 4 :
cout<<"Shuting Down the Program..... .\n";

exit(1);
break;

}
}
}

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