public class Book {

private String author;

private String title;

private String genre;

private int numPages;

public Book(String author, String title, String genre, int numPages) {

this.author = author;

this.title = title;

this.genre = genre;

this.numPages = numPages;

}//end ctor

public String getAuthor() {

return author;

}

public String getTitle() {

return title;

}

public String getGenre() {

return genre;

}

public int getNumPages() {

return numPages;

}

public void printBookDetails() {

System.out.println(title);

System.out.println("by " + author);

System.out.println("has " + numPages +

" pages, and its genre is " + genre);

System.out.println();

}//end printBookDetails

}//end Book class