Library

 Scanner keyboard = new Scanner(System.in);
        System.out.print("Book title: ");
        String title = keyboard.nextLine();
        System.out.print("Number of books: ");
        int bookNum = Integer.parseInt(keyboard.nextLine());
        int checkedBooks = 0;
        String currentBook = "";
        while (bookNum > 0) {
            currentBook = keyboard.nextLine();
            if (currentBook.equalsIgnoreCase(title)) {
                System.out.printf("You found %s after you checked %d books.", title, Math.abs(checkedBooks));
                break;
            } else {
               // bookNum--;
                checkedBooks--;
            }
            if (bookNum == 0) {
                System.out.printf("You checked %d books but you did not find %s.",Math.abs(checkedBooks),title);
            }
        }

    }

}