1.User membership creation and extension
2. Searching the database of books
3. Reading the books
2. Implementation
//
//keep all the book's information
//Method - add books
//Method - delete books
//Method - update books
//
public class Book
{
private long ID;
private String details;
private static Set books;
// Constructor
public Book(long ID, Stirng details){...}
// Class Method
public static void addBook(long ID, String detials)
{
books.add(new Book(ID, details));
}
public static Book find(long ID)
{
for ( Book b: books)
if (b.getID() == ID) return b
return null;
}
public static void delete (Book b)
{
books.remvoe(b);
}
// Object methods
public void update (){}
}
//
//Keep all the information regarding the user ,and an identifier to //identify each user uniquely.
//We can add functionality like
//Method - registering the user,
//Method - charging a membership amount,
//Method - monthly / daily quota
//
public class User
{
private long ID;
private String details;
private int accountType;
private static Set users;
// Constructor
public User(long ID, Stirgn details, int accountType){...}
// Class Method
public static User find(long ID)
{
for (User u:users)
if (u.getID() == ID) return u;
return null;
}
public static void addUser()
{
users.add( new User(ID, details, accountType));
}
// Object methods
public Book searchLibrary(long ID) {return Book.find(id);}
public void renewMembership(){...}
}
//
//Manager class for managing the online book reader system which would //have a listen function to listen for any incoming requests to log in.
//It also provides
//Method - book search functionality and
//Method - display functionality.
//Because the end user interacts through this class,
//SEARCH must be implemented
//
public class OnlineReaderSystem
{
private Book b;
private User u;
// Constructor
public OnlineReaderSystem(Book b, User u){...}
// Object methods
public void listenRequest(){}
public Book searchBook(long ID){return book.find(ID);}
public User searchUser(long ID){return user.find(ID);}
public void display(){}
}
3. Similar Ones
