FRIEND FUNCTION USING C++

/*HOTEL MANAGEMENT USING FRIEND FUNCTION*/

PROGRAM:

#include<iostream.h>

#include<conio.h>

class hotel

{

private:

 long int rmno,cpn,rent,days,amt;

 char name[20];

public:

 void booking();

 void display();

 friend void amount(int amt);

}h[10];

void hotel::booking()

{

 cout<<"\n Enter customer name:";

 cin>>name;

 cout<<"\n Enter customer phone no:";

 cin>>cpn;

 cout<<"\n Enter room no:";

 cin>>rmno;

 cout<<"\n Enter rent for days:";

 cin>>rent;

 cout<<"\n Enter no of days:";

 cin>>days;

}

void hotel::display()

{

 int temp;

 cout<<name<<"\t\t"<<cpn<<"\t\t"<<rmno<<"\t\t"<<rent<<"\t\t"<<days;

 temp=days*rent;

 amount(temp);

}

void amount(int amt)

{

 cout<<"\t"<<amt;

}

void main()

{

 int n,i;

 clrscr();

 cout<<"\n\t HOTEL MANAGEMENT USING FRIEND FUNCTION ";

 cout<<"\n\t ---------------------------------------------------------------------\n";

 cout<<"\n Enter the no of customer:";

 cin>>n;

 for(i=0;i<n;i++)

 h[i].booking();

 cout<<"\n\t CUSTOMER DETAILS";

 cout<<"\n  Customer Name \t Customer Phno \t Room No \t Rent Perday \t No Of Day \t Total Rent";

cout<<”\n  ____________________________________________________________________”;

 for(i=0;i<n;i++)

 h[i].display();

 getch();

}

 

OUTPUT:

         HOTEL MANAGEMENT USING FRIEND FUNCTION

         -------------------------------------------------------------

 Enter the no of customer:2

 Enter customer name:vivek

 Enter customer phone no:56789

 Enter room no:9

 Enter rent for days:500

 Enter no of days:5

 Enter customer name:vinoth

 Enter customer phone no:86544

 Enter room no:54

 Enter rent for days:1000

 Enter no of days:10

 CUSTOMER DETAILS

Customer Name  Customer Phno   Room No  Rent Perday  No Of Day     Total Rent

vivek                56789                    9               500                  5               2500                                   

vinoth               86544                   54             1000               10              10000