Pro JPA 2 in Java EE 8: An In-Depth Guide to Java Persistence APIs

© Mike Keith, Merrick Schincariol, Massimo Nardone 2018

Mike Keith, Merrick Schincariol and Massimo NardonePro JPA 2 in Java EE 8https://doi.org/10.1007/978-1-4842-3420-4_2

2. Getting Started

Mike Keith¹ , Merrick Schincariol² and Massimo Nardone³

(1)

Ottawa, Ontario, Canada

(2)

RR 3, RR 3, Almonte, Ontario, Canada

(3)

Helsinki, Finland

 

One of the main goals of JPA was that it should be simple to use and easy to understand. Although its problem domain cannot be trivialized or watered down, the technology that enables developers to deal with it can be straightforward and intuitive. This chapter shows how effortless it can be to develop and use entities.

We start by describing the basic characteristics of entities and review the requirements that an entity ...