Map Java Enum type in JPA

package com.javacodegeeks.snippets.enterprise; import javax.persistence.EntityManager; import javax.persistence.EntityManagerFactory; import javax.persistence.Persistence; public class MapJavaEnumTypeInJPA { public static void main(String[] args) { EntityManagerFactory emf = Persistence.createEntityManagerFactory("MyPersistenceUnit"); EntityManager em = emf.createEntityManager(); em.getTransaction().begin(); DeveloperType type = DeveloperType.SENIOR; Developer developer = new Developer(); developer.setName("Joe Doe"); developer.setDeveloperType(type); em.persist(developer); int developerId = developer.getId(); em.getTransaction().commit(); em.getTransaction().begin(); Developer dbDeveloper = em.find(Developer.class, developerId); System.out.println("dbDeveloper " + dbDeveloper); [...]