Java EE 8 Coding Challenge

This week has been a successful week for the #100DaysOfJavaEE8 coding challenge. Let’s review the challenges for this week.

Servlet 4.0 API

New #100DaysOfJavaEE8 challenge! Servlets 4 adds HTTP/2 support. Make a call over HTTP to /duke.What happens? #JavaEE8 #Java @Java_EE @Java pic.twitter.com/8sBgMuQEa1

— Alex Theedom (@alextheedom) October 12, 2017

The solution

JSON Processing 1.1 API

New #100DaysOfJavaEE8 challenge! Given the JSON, what is the result of applying the Pointer feature from JSON-P 1.1? #JavaEE8 #Java @Java_EE pic.twitter.com/2crmLu5wmK

— Alex Theedom (@alextheedom) October 8, 2017

The solution

CDI 2.0 API

New #100DaysOfJavaEE8 challenge! CDI 2.0 introduces Priority. In what order are the observer methods executed? #JavaEE8 #Java @Java_EE @Java pic.twitter.com/uNYXKjBAbM

— Alex Theedom (@alextheedom) October 9, 2017

The solution

Bean Validation 2.0 API

New #100DaysOfJavaEE8 challenge! Bean Validation 2.0 adds new constraints. Can you identify them? #JavaEE8 #Java @Java_EE @Java pic.twitter.com/xYhKB6LC5U

— Alex Theedom (@alextheedom) October 10, 2017

The solution

JavaServer Faces 2.3 API

#100DaysOfJavaEE8 Challenge: JSF 2.3 & JPA 2.2 support Java 8 Date-Time API. How do you convert field to LocalDate via JSF? @Java_EE @Java pic.twitter.com/zJHBUOQQqn

— Josh Juneau (@javajuneau) October 11, 2017

New in Java EE 8

New APIs: JSON Binding API and Java EE Security API
Major: Servlet 4.0, Bean Validation 2.0, CDI 2.0
Minor: JAX-RS 2.1, JSF 2.3, JSON-P 1.1

To find out more read my article What’s new in Java EE 8 over at IBM developerWorks.