Java print two lines together

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I'm trying to print a message on the screen and after that, take a value from the keyboard. i have 4 prints in a row but i have scan methods between them. When i run my code, the first two prints run together and i can't insert a value at the first variable, after the first print.

case 1:
            System.out.println("###Book Data###");
            System.out.print("Name of the book:\t");
            String Name = key.nextLine();

            System.out.print("ISBN of the book:\t");
            String ISBN = key.nextLine();

            System.out.print("Author of the book:\t");
            String author = key.nextLine();

            System.out.print("Copies of the book:\t");
            int copies = key.nextInt();
            book Book = new book(ISBN,Name,author,copies);
            lib.AddBook(Book);
            break;


#########Text Printed######
Please enter your selection:    1
###Book Data###
Name of the book:       ISBN of the book:

Thanks in advance for your help!

asked 1 min ago

user3574298

1