Management System Project In Java With Source Code: Library

public void showIssuedBooks() if (issuedBooks.isEmpty()) System.out.println("No books currently issued."); return; System.out.println("\nIssued Books (Book ID -> Member ID):"); for (Map.Entry<Integer, Integer> entry : issuedBooks.entrySet()) Book b = libraryService.findBookById(entry.getKey()); Member m = libraryService.findMemberById(entry.getValue()); System.out.println("Book: " + (b != null ? b.getTitle() : "Unknown") + "

// Getters and Setters public int getId() return id; public String getTitle() return title; public String getAuthor() return author; public String getGenre() return genre; public int getQuantity() return quantity; public void setQuantity(int quantity) this.quantity = quantity;

public Member(int memberId, String name, String email, String phone) this.memberId = memberId; this.name = name; this.email = email; this.phone = phone; Library Management System Project In Java With Source Code

public Member findMemberById(int id) return members.stream().filter(m -> m.getMemberId() == id).findFirst().orElse(null);

// Member operations public void addMember(String name, String email, String phone) Member member = new Member(nextMemberId++, name, email, phone); members.add(member); System.out.println("Member registered successfully! ID: " + member.getMemberId()); public void showIssuedBooks() if (issuedBooks

// Getters public int getMemberId() return memberId; public String getName() return name; public String getEmail() return email; public String getPhone() return phone;

public Book(int id, String title, String author, String genre, int quantity) this.id = id; this.title = title; this.author = author; this.genre = genre; this.quantity = quantity; Add Book"); System

@Override public String toString() return memberId + " package service; import model.Book; import model.Member; import java.util.ArrayList; import java.util.List; import java.util.stream.Collectors;

while (true) System.out.println("\n===== LIBRARY MANAGEMENT SYSTEM ====="); System.out.println("1. Add Book"); System.out.println("2. View All Books"); System.out.println("3. Search Book by Title"); System.out.println("4. Register Member"); System.out.println("5. View All Members"); System.out.println("6. Issue Book"); System.out.println("7. Return Book"); System.out.println("8. View Issued Books"); System.out.println("9. Exit"); System.out.print("Enter choice: ");

// Book operations public void addBook(String title, String author, String genre, int quantity) Book book = new Book(nextBookId++, title, author, genre, quantity); books.add(book); System.out.println("Book added successfully! ID: " + book.getId());