A deadlock is a situation where two or more threads are waiting for resources acquired by each other. In this article you will find some simple examples of it and understand why this is proved to be one of the biggest programmers’ nightmares.
#multithreading #concurrency #java #junior #middle #senior
https://www.nurkiewicz.com/2018/09/thread-pool-self-induced-deadlocks.html

Check this (part of series) interview with Java influencers. They answer quite interesting questions like will serverless begin a major reshaping of Java and what features we should see in JDK 12. Don’t miss it!
#java #java12 #news #interview
https://jaxenter.com/java-influencers-series-final-part-149208.html

Great video for beginners with JPA. This amazing lecture rings the curtain up on the details behind JPA and some of its tricky parts. You will learn some useful advices, tips and outcomes you should consider before diving in.
#java #jpa #video #devoxx #junior #middle
https://www.youtube.com/watch?v=EZwpOLCfuq4

Want to learn more about the features available in Spring Boot? Check out this post to learn more about how to use profiles in your Spring Boot application.
#java #spring #springboot #profiling #middle #senior
https://dzone.com/articles/spring-boot-profiles-1

Sooner or later, every Java application needs logging. No matter what you want to do, you’ll need to make sure to have an appropriate logging library and then configure and use it correctly. A developer should have a rough understanding of why there are that many logging libraries available out there and when to use which option. Let’s find out.
#java #logging #middle
https://www.marcobehler.com/guides/a-guide-to-logging-in-java

New version of Java (JDK11) has just been released!
#java #java11 #releases #news
http://www.java-countdown.xyz/
http://openjdk.java.net/projects/jdk/11/
http://jdk.java.net/11/

There is probably a bunch of Java libraries and frameworks in your list when starting a microservice architecture implementation. With this tutorial you will go through the most popular and battle-tested ones that can certainly suit your specific needs.
#java #architecture #microservices #middle #senior
https://www.javacodegeeks.com/2018/09/microservices-java-developers-java-jvm-landscape.html

With the recent changes to Oracle JDK distribution and support, there’s been considerable uncertainty over the rights to use Oracle JDK vs Oracle's OpenJDK builds vs OpenJDK builds from other providers.
#java #releases
https://docs.google.com/document/d/1nFGazvrCvHMZJgFstlbzoHjpAVwv5DEdnaBr_5pKuHo/preview?pru=AAABZedZqeM*nDxNf7nkRk7Ep8IJVMReKQ#heading=h.p3qt2oh5eczi

Spring Framework 5.1 requires JDK 8 or higher and specifically supports JDK 11 as the next long-term support release. It comes with initial refinements for GraalVM compatibility and deeply integrates with the recently released Reactor Californium and Hibernate ORM 5.3. Try it out!
#spring #releases
https://spring.io/blog/2018/09/21/spring-framework-5-1-goes-ga

New official Java Magazine from Oracle!
Ready to dive deeply into Java and JVM once again with Java Magazine? Explore the contents of its latest issue as it includes tutorials on new technologies, investigations of alternative JVM languages, explanations of important tools, and lots of advice on coding.
#java #magazine #news
https://www.oracle.com/technetwork/java/javamagazine/index.html

Using Docker containers makes for an incredibly easy way to roll out apps and services onto your network.
The author shares his experience with containers and some pretty neat ways to make them faster running.
#java #containers #docker #middle #senior
https://whitfin.io/speeding-up-maven-docker-builds/

Even though released only in 2014, Spring Boot has managed to overtake the Java serverside in less than five years. When starting a new project, a sensible question to ask is- “should I use a Spring Boot?”. This article will help you answer this question!
#spring #springboot #junior #middle
https://www.e4developer.com/2018/09/24/should-you-use-spring-boot-in-your-project/

Want to learn more about using phantom references in Java? Check this overview of Java reference types: strong, soft, weak and phantom. You will also explore how to test code in the garbage collector.
#java #gc #middle #senior
https://dzone.com/articles/soft-weak-and-phantom-references-in-java-how-to-te

Want to learn more about using enums in Java? In this post you will take a look at the top 18 points that every Java developer should know about enums. Let's get into it!
#java #junior #middle
https://dzone.com/articles/18-points-every-java-developer-should-know-about-e

Microservices architecture (MSA) has become very popular. However, one common problem is how to manage distributed transactions across multiple microservices. In this post you will find the problem explained and discover possible patterns that could solve it.
#architecture #microservices #middle #senior
https://developers.redhat.com/blog/2018/10/01/patterns-for-distributed-transactions-within-a-microservices-architecture/

You’ve probably thought about combining all your knowledge on some topic in one solid guide. That is exactly what’s done here - more than two years of experience with Spring Boot in just one book. And it is free to download!
#spring #springboot #books #middle #senior
https://www.infoq.com/minibooks/spring-boot-building-api-backend

MongoDB’s dynamic schema is powerful and challenging at the same time. This post shows how the development with MongoDB can benefit from Kotlin and which patterns turned out to be useful in practice. You will also dig into the best practices for coding and schema design.
#kotlin #mongodb #db
https://blog.philipphauer.de/kotlin-mongodb-perfect-match/

Want to learn more about the newest source dependencies? This post introduces a new Gradle dependency management feature called “source dependencies." You will find summarized what is the usefulness to have Gradle automatically check out the source for your library from Git and build the binaries locally on your machine, rather than downloading them.
#gradle #junior #middle #senior
https://dzone.com/articles/introducing-source-dependencies-in-gradle

You probably face some key challenges around microservices architecture testing. The selection of the right tools is one of the elements that help us deal with the issues related to those challenges. Let's explore a testing stack for microservices applications, comprised of the Hoverfly, Pact, and Gatling tools and frameworks.
#java #architecture #microservices #tools #senior
https://dzone.com/articles/testing-microservices-tools-and-frameworks

Eclipse Collections is a high performance collections framework for Java, adding rich functionality to the native JDK Collections.
These articles present TOP 10 reasons to use them and several examples of refactoring standard Java code to Eclipse Collections data structures and APIs.
Let’s see some of the memory savings you can achieve.
#java #collections #eclipse #middle
https://medium.com/oracledevs/ten-reasons-to-use-eclipse-collections-91593104af9d
https://www.infoq.com/articles/Refactoring-to-Eclipse-Collections