Java Web Weekly, Issue 164

Lots of interesting writeups on Java 9 this week.

Here we go…

1. Spring and Java

>> Signing and verifying a standalone JAR [frankel.ch]

Signing a JAR file created by Spring Boot can be quite tricky.

>> Repackaging Exceptions In Streams [codefx.org]

Handling checked exception within lambdas can be painful. And there are no solutions for this – only workarounds.

>> RXJava2 by Example [infoq.com]

A deep dive into the basic principles of reactive programming with RxJava and loads of examples.

>> Building Multi-Release JARs with Maven [in.relation.to]

Exploring a new Java 9 feature – multi-release JAR files.

>> Integration testing strategies for Spring Boot microservices [codecentric.de]

Spring Boot and microservices solve some problems but create different challenges – testing is certainly one of them.

>> Beyond POJOs – Ten More Ways to Reduce Boilerplate with Lombok [sitepoint.com]

Most people use Lombok for POJOs or data classes but you can find other very useful uses in therenwi.

>> Creating stubs using the Hoverfly Java DSL [ontestautomation.com]

A short tutorial on stubbing APIs using Hoverfly.

>> Setting up your logging with SLF4J – How to automate the prevention of mistakes and disappearing log statements [vanwilgenburg.wordpress.com]

Properly setting up logging can actually be difficult to do well. There are a few things in here you might not have considered before.

Also worth reading:

• >> How to run integration tests at warp speed using Docker and tmpfs [vladmihalcea.com]

• >> The InfoQ eMag: Reactive Programming with Java [infoq.com]

• >> How Does the Default hashCode() Work? [sitepoint.com]

• >> Bootstrapping an OAuth2 Authorization server using UAA [java-allandsundry.com]

• >> Hibernate Tips: How to call a user-defined function in a CriteriaQuery [thoughts-on-java.org]

• >> Date and Time Formatting in Java 9 Will Get Closer to Unicode Locale Standards [infoq.com]

Webinars and presentations:

• >> Java Puzzlers NG S02: down the Rabbit Hole [infoq.com]

• >> Java SE 9: Continuing to Thrive in the Cloud! [infoq.com]

• >> Spring Tips: JOOQ [spring.io]

Time to upgrade:

• >> Spring Cloud Pipelines 1.0.0.M3 Released [spring.io]

• >> Spring Cloud Task 1.2.0.M1 is now available [spring.io]

• >> Data Geekery Releases Version 3.9.0 of jOOQ, a Java ORM Tool for Building Type Safe Queries [infoq.com]

• >> IntellIJ IDEA 2017.1 EAP: Async Smart Step Into and Faster Git File History [jetbrains.com]

2. Technical

>> FunctionAsObject [martinfowler.com]

The base of functional programming – leveraging functions as first-class citizens. A quick and worthwhile little writeup.

>> 4 Challenges to Building Multi-factor Authentication [stormpath.com]

Multi-factor authentication solutions do significantly increase the security of a system but have their own set of challenges.

>> How does a relational database work [vladmihalcea.com]

Refreshing the basics 🙂

Also worth reading:

• >> Getting Started with Oracle Container Cloud Service [couchbase.com]

• >> Crossing the Streams – Joins in Apache Kafka [codecentric.de]

3. Musings

>> Computer Science Concepts That Non-Technical People Should Know [techblog.bozho.net]

Sometimes we don't speak the same language and we might not be aware of it. There are few concepts that would make communication between technical and non-technical people much easier.

>> Logging for Fun: Things You’d Never Thought to Log [daedtech.com]

Logging and monitoring of everyday things can give us ideas for future improvements 🙂

>> Extracting Value as an Employee [zachholman.com]

Some really pragmatic, potentially uncomfortable advice.

>> Habits that Pay Off for Programmers [daedtech.com]

The Law of Diminishing Returns applies to technical skills as well. Developing critical complementary skills – outside of pure coding – pays off in the long run.

Also worth reading:

• >> Taking the Guild Metaphor Too Far [daedtech.com]

• >> How much does ‘crunch time' hurt team morale? [mdswanson.com]

• >> Book review: Fifty quick ideas to improve your tests [giorgiosironi.com]

• >> Amazon Rekognition Update – Estimated Age Range for Faces [amazon.com]

• >> Software ate the world [mdswanson.com]

• >> Back-to-Basic Weekend Reading: Monte-Carlo Methods [allthingsdistributed.com]

4. Comics

And my favorite Dilberts of the week:

>> The agile programmers can jump out of the way [dilbert.com]

>> I'll be the judge of that [dilbert.com]

>> My part is mostly talk [dilbert.com]

5. Pick of the Week

>> The Builder’s High [randsinrepose.com]

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