Linked List in Java

Main.java

class Book {
 private int mPages;

 public Book(int pages) {
  mPages = pages;
 }

 public String toString() {
  return String.format("This book has %d pages.", mPages);
 }
}

class BookNode {
 private Book mBook;
 private BookNode mNext;

 public BookNode(Book book) {
  mBook = book;
 }

 public void setNext(BookNode next) {
  mNext = next;
 }

 public BookNode getNext() {
  return mNext;
 }

 public Book getBook() {
  return mBook;
 }
}

class BookList {
 private BookNode mFirst;
 private BookNode mLast;

 public BookNode getFirst() {
  return mFirst;
 }

 public void append(BookNode node) {
  if (mFirst == null) {
   mFirst = node;
   mLast = node;
  } else {
   mLast.setNext(node);
   mLast = node;
  }
 }
}

public class Main {
 public static void main(String[] args) {
  Book[] books = {
   new Book(0),
   new Book(1),
   new Book(2)
  };

  System.out.println("Array:");
  for (Book book: books) {
   System.out.println(book);
  }

  BookList bookList = new BookList();
  for (Book book: books) {
   bookList.append(new BookNode(book));
  }

  System.out.println("\nList:");
  BookNode node = bookList.getFirst();
  while (node != null) {
   System.out.println(node.getBook());
   node = node.getNext();
  }
 }
}