released in December 2009 JPA 2.1 released in April 2013 JPA 2.2 released in June 2017 Introduces JPQL Renamed to Jakarta Persistence in 2019 JPA 3.0 released in 2020 javax.persistence jakarta.persistence integer=""> { public List findByName(String name); } SELECT … FROM Product WHERE name= … JPQL parameter name value Query PC FROM Product WHERE name= ‘PC’ null FROM Product WHERE name is null Optional Dynamic queries using JPQL @Service public class ProductService { @PersistenceContext private EntityManager em; public List search(String name, Double price) { String jpql = "FROM Product";