TestLibrary.java

import java.util.Scanner;

class Book {
    String name, author;
    double price;
    int copies;

    public void readBook(Scanner sc) {
        System.out.print("Enter Book Name: ");
        name = sc.nextLine();
        System.out.print("Enter Author: ");
        author = sc.nextLine();
        System.out.print("Enter Price: ");
        price = sc.nextDouble();
        System.out.print("Enter Copies: ");
        copies = sc.nextInt();
        sc.nextLine();
    }

    public void display() {
        System.out.println("Name: " + name + ", Author: " + author + ", Price: " + price + ", Copies: " + copies);
    }
}

public class TestLibrary {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        Book[] library = new Book[5];

        System.out.println("Enter details for 5 books:");
        for (int i = 0; i < 5; i++) {
            library[i] = new Book();
            library[i].readBook(sc);
        }

        System.out.print("\nSearch Book by Name: ");
        String searchName = sc.nextLine();
        boolean foundName = false;
        for (Book b : library) {
            if (b.name.equalsIgnoreCase(searchName)) {
                System.out.println("Book found! Copies available: " + b.copies);
                foundName = true;
            }
        }
        if (!foundName)
            System.out.println("Book not available.");

        System.out.print("\nSearch Book by Author: ");
        String searchAuthor = sc.nextLine();
        System.out.println("Books by " + searchAuthor + ":");
        for (Book b : library) {
            if (b.author.equalsIgnoreCase(searchAuthor)) {
                b.display();
            }
        }

        sc.close();
    }
}