This term refers to a method or function that displays information about a book, such as its title, author, and publication date.
Think of printBookInfo() as a librarian who provides you with all the important details about a book when you ask for it. Just like how the librarian gives you information about the book, this method gives you information about a specific book.
getTitle(): This method returns the title of a book.
getAuthor(): This method returns the author of a book.
getPublicationDate(): This method returns the publication date of a book.
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