Library-Management-System-using-OOP-

public class Book { private int id; private String title; private String author; private boolean isIssued;

public Book(int id, String title, String author) { this.id = id; this.title = title; this.author = author; this.isIssued = false; }

public int getId() { return id; } public String getTitle() { return title; } public String getAuthor() { return author; } public boolean isIssued() { return isIssued; }

public void issueBook() { isIssued = true; } public void returnBook() { isIssued = false; }

public String toString() { return id + “ | “ + title + “ | “ + author + “ | “ + (isIssued ? “Issued” : “Available”); } }