Implementation of BookFactory class

BookFactory is now implemented to handle all the books.

BookFactory.java

@@ -0,0 +1,25 @@
+import java.util.*;
+
+class BookFactory
+{
+  private List<Book> books = new ArrayList<Book>();
+  private int id;
+
+  public BookFactory()
+  {
+    id = 0;
+  }
+
+  public void newBook()
+  {
+    Book temp = new Book(id, "NOT AVAILABLE");
+    books.add(temp);
+
+    id++;
+  }
+
+  public Book getBook(int index)
+  {
+    return books.get(index);
+  }
+}