CTO and ardent Java EE fan David Heffelfinger demonstrates how easy it is to develop the data layer of an application using Java EE, JPA, and the NetBeans IDE instead of the Spring Framework. Downloads: Java EE NetBeans IDE Introduction In Part One and Part Two of this series, we generated a complete Java EE application by using JavaServer Faces (JSF) 2.0, Enterprise JavaBeans (EJB) 3.1, and Java