java-weekly-201

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6 years ago

Java Weekly, Issue 201

Lots of interesting writeups on Java 9 this week.

Here we go…

1. Spring and Java

===== >> Learning Java with jshell [javaspecialists.eu]

A Quick intro of JShell makes it possible to explore Java without public static void main() methods ?

>> Data Classes for Java [openjdk.java.net]

A comprehensive explanation of the new upcoming Java feature – data classes.

>> Hibernate Tips: How to map an entity attribute to an Optional [thoughts-on-java.org]

Unfortunately, Hibernate and JPA 2.2 don’t support Optional as an attribute type but with a little trick, we can still use Optional as the return type of getter methods.

>> Bean Validation benchmark revisited [in.relation.to]

An interesting performance comparison of three most popular Bean Validation implementations – Hibernate Validator 6.x.x is faster than ever.

Also worth reading:

===== >> Building Reactive Systems Using Akka’s Actor Model and Domain-Driven Design [infoq.com]
===== >> Prepare for Java SE 9 [blogs.oracle.com]
===== >> Turn Any Repo Into a Software Factory: Exploring Spring 5 and Kotlin [medium.com]
===== >> $ diff -q spring-data-gemfire spring-data-geode [spring.io]
===== >> Squeezing Another 10% Speed Increase out of jOOQ using JMC and JMH [blog.jooq.org]
===== >> The best way to map a @NaturalId business key with JPA and Hibernate [vladmihalcea.com]
===== >> Alternative navigator in Vaadin [blog.frankel.ch]
===== >> IntelliJ IDEA 2017.3 Public Preview [blog.jetbrains.com]
===== >> Mastering own Reactive-Streams implementation. Part 1 – Publisher [medium.com]

Webinars and presentations:

===== >> Disrupting Development Using Reactive Event Sourced Systems with Akka [infoq.com]
===== >> Spring Tips: Spring Shell [spring.io]
===== >> Homoiconicity: It Is What It Is [infoq.com]

Time to upgrade:

===== >> Spring Security 5.0.0.RC1 Released [spring.io]
===== >> Spring REST Docs 2.0.0.RC1 [spring.io]
===== >> Reactor Bismuth-SR3 is now available [spring.io]
===== >> Bugfix releases for Hibernate Search 5.6, 5.7 and 5.8 [in.relation.to]
===== >> Hibernate Validator 6.0.4.Final released [in.relation.to]
===== >> Spring Web Services 3.0.0.RELEASE / 2.4.2.RELEASE is out! [spring.io]
===== >> Spring Session 2.0.0.RC1 Released [spring.io]
===== >> Spring Tool Suite 3.9.1 Released [infoq.com]

2. Technical and Musings

===== >> Customize Your Agile Approach: Start With Results You Want [infoq.com]

Velocity is a current measure of capacity and not a measure of project progress – it makes more sense to track completed stories and not Story Points – the value of those change over time.

Also worth reading: