Program 3

PROGRAM 3

CONSTRUCTOR OVERLOADING

/* Define a Class Employee taking employee number and salary as Private members and having default, parameterized, copy constructor and destructor. Parameters should be passed dynamically to the parameterized constructor. Take values dynamically from main ( ) . */ 

#include<iostream.h>

class employee

{

int eno;

float salary;

public:

employee()

{

cout<<"\n default constructor invoked";

eno=0;

salary=0.0;

}

employee(int a,float b)

{

eno=a;

salary=b;

cout<<"\n parameterized constructor invoked";

}

employee(employee &e)

{

eno=e.eno;

salary=e.salary;

cout<<"\n copy constructor invoked";

}

~employee()

{

cout<<"\n destructor at work";

}

};

void main()

{

employee e;

int x;

float y;

cout<<"\n enter employee number : ";

cin>>x;

cout<<"\n enter salary : ";

cin>>y;

employee e1(x,y);

cout<<"\n enter employee number : ";

cin>>x;

cout<<"\n enter salary : ";

cin>>y;

employee e2(x,y);

employee e3=e2;

}