Added Library catalog system

Author: trishit78

Library Catalog System.java

@@ -0,0 +1,81 @@
+import java.util.ArrayList;
+import java.util.Scanner;
+
+class Book {
+    private String title;
+    private String author;
+    private String isbn;
+    private String category;
+    private boolean available;
+
+    public Book(String title, String author, String isbn, String category) {
+        this.title = title;
+        this.author = author;
+        this.isbn = isbn;
+        this.category = category;
+        this.available = true;
+    }
+
+    // Getters and setters for book details
+
+    public boolean isAvailable() {
+        return available;
+    }
+
+    public void checkOut() {
+        available = false;
+    }
+
+    public void returnBook() {
+        available = true;
+    }
+}
+
+public class LibraryCatalogSystem {
+    private static ArrayList<Book> catalog = new ArrayList<>();
+    private static Scanner scanner = new Scanner(System.in);
+
+    public static void main(String[] args) {
+        while (true) {
+            displayMenu();
+            int choice = scanner.nextInt();
+            scanner.nextLine();  // Consume newline character
+
+            switch (choice) {
+                case 1:
+                    addBook();
+                    break;
+                case 2:
+                    searchBooks();
+                    break;
+                case 3:
+                    viewBookDetails();
+                    break;
+                case 4:
+                    checkoutBook();
+                    break;
+                case 5:
+                    returnBook();
+                    break;
+                case 6:
+                    System.out.println("Goodbye!");
+                    System.exit(0);
+                default:
+                    System.out.println("Invalid choice. Please try again.");
+            }
+        }
+    }
+
+    // Implement methods for adding, searching, viewing, checking out, and returning books
+
+    private static void displayMenu() {
+        System.out.println("\nLibrary Catalog System");
+        System.out.println("1. Add a new book");
+        System.out.println("2. Search books");
+        System.out.println("3. View book details");
+        System.out.println("4. Checkout a book");
+        System.out.println("5. Return a book");
+        System.out.println("6. Exit");
+        System.out.print("Enter your choice: ");
+    }
+}