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

You have many choices how to create a stream instance from different sources, such as Collections, Arrays, File, etc. In this article you will discover eight different ways to create a Stream object in Java 8.
#java #stream #junior #middle
https://dzone.com/articles/8-ways-of-creating-a-stream-object-in-java-8

Ktor is a framework for building asynchronous applications on the server and client side fully written in Kotlin. Here you will see the features of Ktor framework by the example of a simple microservices based system.
#kotlin #architecture #microservices #ktor #middle #senior
https://piotrminkowski.wordpress.com/2018/10/09/kotlin-microservices-with-ktor/

Nowadays Java is used mainly for developing back-end web services. Throughout the years, the industry has established many good practices on Web API Design. Don’t miss this amazing series on the topic!
#java #web #architecture
Tech and UX
https://howtotrainyourjava.com/2017/12/12/web-api-design-tech-and-ux/
The Origins of REST
https://howtotrainyourjava.com/2018/01/14/web-api-design-part-two-the-origins-of-rest/
Core Concepts
https://howtotrainyourjava.com/2018/02/08/web-api-design-part-three-core-concepts/
Collections
https://howtotrainyourjava.com/2018/03/28/web-api-design-part-four-collections/
Status and Error Handling
https://howtotrainyourjava.com/2018/04/22/web-api-design-part-five-status-and-error-handling/
Cache
https://howtotrainyourjava.com/2018/05/20/web-api-design-part-six-cache/
Security
https://howtotrainyourjava.com/2018/06/27/web-api-design-part-seven-security/
HATEOAS
https://howtotrainyourjava.com/2018/08/08/web-api-design-part-eight-hateoas/
Versioning
https://howtotrainyourjava.com/2018/09/30/web-api-design-part-nine-versioning/

Java Flight Recorder (JFR) used to be a commercial add-on of the Oracle JDK. As it’s been open sourced along with Java Mission Control, everyone using OpenJDK 11 can now troubleshoot their Java apps with this excellent tool that's free of charge. You can find out more in this great example!
#java #tools #middle #senior
https://dzone.com/articles/using-java-flight-recorder-with-openjdk-11-1

Using var you can now use anonymous classes as a replacement of named classes. This is convenient if you want to encapsulate interactions with instances of this class and data attached to them inside a method.
#java #java10 #middle #senior
https://dzone.com/articles/how-java-10-changes-the-way-we-use-anonymous-inner

Good Humble Java Book Bundle from Packt publisher for very small money (from 1€ for 3 books + 2 vidoe courses up to 15€ for 15 books + videos)
Also you can find bundls of books for other topics (DevOps available now)
#java #courses #books #junior #middle #senior
https://www.humblebundle.com/books/java-by-packt-books