/*
Problem statement:
A book shop maintains the inventory of books that are being sold at the shop. The list includes
details such as author, title, price, publisher and stock position. Whenever a customer wants a
book, the sales person inputs the title and author and the system searches the list and displays
whether it is available or not. If it is not, an appropriate message is displayed. If it is, then the
system displays the book details and requests for the number of copies required. If the
requested copies book details and requests for the number of copies required. If the requested
copies are available, the total cost of the requested copies is displayed; otherwise the message
―Required copies not in stock‖ is displayed. Design a system using a class called books with
suitable member functions and Constructors. Use new operator in constructors to allocate
memory space required. Implement C++ program for the system.
*/
#include<iostream>
#include<string.h>
using namespace std;
class books //declaring a class
{
private:
char *title, *author, *publisher;
float price;
int stock;
public: //declaring functions
void getdata();
void display();
int search(char *,char *);
void buy();
books();
};
books::books() //default constructor
{
title=new char[50];
author=new char[50];
publisher=new char[10];
price=0;
stock=0;
}
void books::getdata() //getdata
{
cin.ignore();
cout<<"\nEnter Author Name: ";
cin.getline(author,50);
cout<<"\nEnter Title: ";
cin.getline(title,50);
cout<<"\nEnter publisher: ";
cin.getline(publisher,10);
cout<<"\nEnter price: ";
cin>>price;
cout<<"\nEnter stock: ";
cin>>stock;
}
void books::display() //displaydata
{
cout<<"\nAuthor Name: "<<author;
cout<<"\nTitle Name: "<<title;
cout<<"\nPublisher Name: "<<publisher;
cout<<"\nPrice: "<<price;
cout<<"\nStock available: "<<stock<<endl;
}
int books::search(char *title1,char *author1) //search
{
if(strcmp(title,title1)==0 && strcmp(author,author1)==0)
return 1;
else
return 0;
}
void books::buy() //checking stock and displaying cost
{
int no_of_copies;
cout<<"\nEnter no. of copies required:";
cin>>no_of_copies;
if(no_of_copies <= stock)
{
cout<<"Number of entered copies is available"<<endl;
cout<<"\nPrice of "<< no_of_copies <<" books is : RS."<<no_of_copies*price;
cout<<"\nThank you .... Visit again....";
}
else
{
cout<<"\nRequired copies are not available..." ;
cout<<"\nSorry for inconvinience...";
cout<<"\nThank you .... Visit again....";
}
}
int main() //main
{
int val=0;
int ch;
int n;
char a;
cout<<"\nEnter no. of books :";
cin>>n;
cout<<"\n";
books b[n];
char title1[50],author1[50];
for(int i=0;i<n;i++)
{
cout<<"Enter details of book"<<i+1;
b[i].getdata();
}
cin.ignore();
do
{
cout<<"******MENU*****\n";
cout<<"1.Display Data\n2.Search a Book\n3.Buy a Book"<<endl;
cout<<"Enter your choice:";
cin>>ch;
switch(ch)
{
case 1:
for(int i=0;i<n;i++)
{
cout<<"---------------------------------\n";
cout<<"Details of book "<<i+1<<" is ";
b[i].display();
}
break;
case 2:cin.ignore();
//accepting book that customer wants to search
cout<<"\nEnter following details to search a book";
cout<<"\nEnter Author Name: ";
cin.getline(author1,50);
cout<<"\nEnter Title: ";
cin.getline(title1,50);
//searching if it is avaliable in shop
for(int i=0;i<n;i++)
{
val=b[i].search(title1,author1);
if(val==1)
{
cout<<"\nBook is found";
}
}
if(val==0)
cout<<"\nBook is not available\n";
return 0;
break;
case 3:cin.ignore();
//accepting book that customer wants to buy
cout<<"\nEnter following details to search whether the book is available";
cout<<"\nEnter Author Name: ";
cin.getline(author1,50);
cout<<"\nEnter Title: ";
cin.getline(title1,50);
//searching if it is available in shop and proceeding to billing
for(int i=0;i<n;i++)
{
val=b[i].search(title1,author1);
if(val==1)
{
cout<<"\nBook is found";
b[i].buy();
}
}
if(val==0)
cout<<"\nBook is not available";
return 0;
break;
}
cout<<"Do you want to continue:(Yes-y or No-n)"<<endl;
cin>>a;
}while(a=='y' || a=='Y');
return 0;
}
/*
OUTPUT:
Enter no. of books :2
Enter details of book1
Enter Author Name: ken
Enter Title: coa
Enter publisher: vision
Enter price: 100
Enter stock: 10
Enter details of book2
Enter Author Name: william
Enter Title: cpp
Enter publisher: vision
Enter price: 200
Enter stock: 20
******MENU*****
1.Display Data
2.Search a Book
3.Buy a Book
Enter your choice:1
---------------------------------
Details of book 1 is
Author Name: ken
Title Name: coa
Publisher Name: vision
Price: 100
Stock available: 10
---------------------------------
Details of book 2 is
Author Name: william
Title Name: cpp
Publisher Name: vision
Price: 200
Stock available: 20
Do you want to continue:(Yes-y or No-n)
y
******MENU*****
1.Display Data
2.Search a Book
3.Buy a Book
Enter your choice:3
Enter following details to search whether the book is available
Enter Author Name: ken
Enter Title: coa
Book is found
Enter no. of copies required:5
Number of entered copies is available
Price of 5 books is : RS.500
Thank you .... Visit again....comp-sys-11@comp-sys-11:~/Desktop$
*/
Problem statement:
A book shop maintains the inventory of books that are being sold at the shop. The list includes
details such as author, title, price, publisher and stock position. Whenever a customer wants a
book, the sales person inputs the title and author and the system searches the list and displays
whether it is available or not. If it is not, an appropriate message is displayed. If it is, then the
system displays the book details and requests for the number of copies required. If the
requested copies book details and requests for the number of copies required. If the requested
copies are available, the total cost of the requested copies is displayed; otherwise the message
―Required copies not in stock‖ is displayed. Design a system using a class called books with
suitable member functions and Constructors. Use new operator in constructors to allocate
memory space required. Implement C++ program for the system.
*/
#include<iostream>
#include<string.h>
using namespace std;
class books //declaring a class
{
private:
char *title, *author, *publisher;
float price;
int stock;
public: //declaring functions
void getdata();
void display();
int search(char *,char *);
void buy();
books();
};
books::books() //default constructor
{
title=new char[50];
author=new char[50];
publisher=new char[10];
price=0;
stock=0;
}
void books::getdata() //getdata
{
cin.ignore();
cout<<"\nEnter Author Name: ";
cin.getline(author,50);
cout<<"\nEnter Title: ";
cin.getline(title,50);
cout<<"\nEnter publisher: ";
cin.getline(publisher,10);
cout<<"\nEnter price: ";
cin>>price;
cout<<"\nEnter stock: ";
cin>>stock;
}
void books::display() //displaydata
{
cout<<"\nAuthor Name: "<<author;
cout<<"\nTitle Name: "<<title;
cout<<"\nPublisher Name: "<<publisher;
cout<<"\nPrice: "<<price;
cout<<"\nStock available: "<<stock<<endl;
}
int books::search(char *title1,char *author1) //search
{
if(strcmp(title,title1)==0 && strcmp(author,author1)==0)
return 1;
else
return 0;
}
void books::buy() //checking stock and displaying cost
{
int no_of_copies;
cout<<"\nEnter no. of copies required:";
cin>>no_of_copies;
if(no_of_copies <= stock)
{
cout<<"Number of entered copies is available"<<endl;
cout<<"\nPrice of "<< no_of_copies <<" books is : RS."<<no_of_copies*price;
cout<<"\nThank you .... Visit again....";
}
else
{
cout<<"\nRequired copies are not available..." ;
cout<<"\nSorry for inconvinience...";
cout<<"\nThank you .... Visit again....";
}
}
int main() //main
{
int val=0;
int ch;
int n;
char a;
cout<<"\nEnter no. of books :";
cin>>n;
cout<<"\n";
books b[n];
char title1[50],author1[50];
for(int i=0;i<n;i++)
{
cout<<"Enter details of book"<<i+1;
b[i].getdata();
}
cin.ignore();
do
{
cout<<"******MENU*****\n";
cout<<"1.Display Data\n2.Search a Book\n3.Buy a Book"<<endl;
cout<<"Enter your choice:";
cin>>ch;
switch(ch)
{
case 1:
for(int i=0;i<n;i++)
{
cout<<"---------------------------------\n";
cout<<"Details of book "<<i+1<<" is ";
b[i].display();
}
break;
case 2:cin.ignore();
//accepting book that customer wants to search
cout<<"\nEnter following details to search a book";
cout<<"\nEnter Author Name: ";
cin.getline(author1,50);
cout<<"\nEnter Title: ";
cin.getline(title1,50);
//searching if it is avaliable in shop
for(int i=0;i<n;i++)
{
val=b[i].search(title1,author1);
if(val==1)
{
cout<<"\nBook is found";
}
}
if(val==0)
cout<<"\nBook is not available\n";
return 0;
break;
case 3:cin.ignore();
//accepting book that customer wants to buy
cout<<"\nEnter following details to search whether the book is available";
cout<<"\nEnter Author Name: ";
cin.getline(author1,50);
cout<<"\nEnter Title: ";
cin.getline(title1,50);
//searching if it is available in shop and proceeding to billing
for(int i=0;i<n;i++)
{
val=b[i].search(title1,author1);
if(val==1)
{
cout<<"\nBook is found";
b[i].buy();
}
}
if(val==0)
cout<<"\nBook is not available";
return 0;
break;
}
cout<<"Do you want to continue:(Yes-y or No-n)"<<endl;
cin>>a;
}while(a=='y' || a=='Y');
return 0;
}
/*
OUTPUT:
Enter no. of books :2
Enter details of book1
Enter Author Name: ken
Enter Title: coa
Enter publisher: vision
Enter price: 100
Enter stock: 10
Enter details of book2
Enter Author Name: william
Enter Title: cpp
Enter publisher: vision
Enter price: 200
Enter stock: 20
******MENU*****
1.Display Data
2.Search a Book
3.Buy a Book
Enter your choice:1
---------------------------------
Details of book 1 is
Author Name: ken
Title Name: coa
Publisher Name: vision
Price: 100
Stock available: 10
---------------------------------
Details of book 2 is
Author Name: william
Title Name: cpp
Publisher Name: vision
Price: 200
Stock available: 20
Do you want to continue:(Yes-y or No-n)
y
******MENU*****
1.Display Data
2.Search a Book
3.Buy a Book
Enter your choice:3
Enter following details to search whether the book is available
Enter Author Name: ken
Enter Title: coa
Book is found
Enter no. of copies required:5
Number of entered copies is available
Price of 5 books is : RS.500
Thank you .... Visit again....comp-sys-11@comp-sys-11:~/Desktop$
*/
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