Main.java

package Main;

import Model.Person;

import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.EntityTransaction;
import javax.persistence.Persistence;

public class Main {

    public static void main(String[] args) {

        Person person = new Person() {
            {
                setFirstName("John");
                setLastName("Doe");
            }
        };

        EntityManagerFactory emf = Persistence.createEntityManagerFactory("jpa");
        EntityManager entityManager = emf.createEntityManager();
        EntityTransaction tx = entityManager.getTransaction();
        
        tx.begin();
        
        entityManager.persist(person);
        
        tx.commit();
        entityManager.close();

    }
    
}