Models created:
Book.java
Cart.java
CartItem.java
Order.java
User.java
Database Loader:
Book book1 = new Book(1L,"Hary Potter","40","J.K Rownling","10-10-2000");
Book book2 = new Book(2L,"Pinokio","20","Gepetto","10-01-1859");
Book book3 = new Book(3L,"Wieloryb bundy","35","Krokodyl","10-12-2005");
Security roles:
public enum Role {
ADMIN,USER
}