This book covers all new and updated Java EE 8 APIs with plenty of code examples to demonstrate each feature: JSON Binding 1.0, Security 1.0, Servlet 4.0, Bean Validation 2.0, CDI 2.0, JAX-RS 2.1, JSF 2.3, JSON Processing 1.1 and JPA 2.2. Only what's new is included, so you won't spend time reading what you already know, only what you don't.