#java #concurrency #junior #middle
https://dzone.com/articles/waiting-for-another-thread-with-cyclicbarrier

A sneak-peek at some interesting news about upcoming switch expressions and raw String literals in future JDK versions
#java #java11 #middle #senior
https://zeroturnaround.com/rebellabs/java-10-and-beyond-a-look-at-the-potential-language-change/

Get started with Gradle with this in-depth tutorial. You will learn how to run built-in tasks, define custom tasks, integrate Gradle in a Spring Boot project and a lot more.
#tools #gradle #junior #middle
https://www.javacodegeeks.com/2018/05/gradle-tutorial.html

A topic about approach to serverless (or as author said "function-as-a-service") programming with Spring Cloud Function
#java #spring #architecture
https://www.nurkiewicz.com/2018/04/sneak-peek-at-spring-cloud-function.html

This is a great guide which shows main new features of JUnit 5 and demonstrating how to migrate from JUnit 3.x / 4.x to JUnit 5 as fast as possible.
#java #testing #junit #refactoring #middle #senior
https://itaffinity.wordpress.com/2018/04/03/the-pragmatic-migration-to-junit-5/

Chaos Engineering is the discipline of experimenting on a distributed system in order to build confidence in the system’s capability to withstand turbulent conditions in production. Chaos Monkey will automatically scan your Spring Components simulating Latency, Exception and AppKiller assaults.
#spring #springboot #testing #senior
https://codecentric.github.io/chaos-monkey-spring-boot/

Explore the power of Kotlin and Spring Boot combined together to create web applications within a very few lines of code.
#kotlin #spring #springboot
https://spring.io/guides/tutorials/spring-boot-kotlin/

Java Magazine by Oracle is by far the most popular magazine for Java and related technologies.
The current issue is mostly focusing on patterns in all flavours - Design Patterns, JPA patterns, Using Domain Driven Design with Java EE and much more. You can additionally get information about major Java conferences around the world.
Don’t miss it!
#java
http://www.javamagazine.mozaicreader.com/MayJune2018

Micrometer is a dimensional-first metrics collection facade whose purpose is to allow you to time, count, and gauge your code with a vendor neutral API - like SLF4J for metrics! Take a look at how you can utilize it with Spring Boot 2.
#spring #sprinboot
https://spring.io/blog/2018/03/16/micrometer-spring-boot-2-s-new-application-metrics-collector

Speedment is a Java Stream ORM Toolkit and Runtime that allows you to view database tables as standard Java Streams. Because you do not have to mix Java and SQL, the application becomes much more compact making it faster to develop, less prone to errors and easier to maintain.
#java #stream #orm #db #sql
https://www.javacodegeeks.com/2018/05/java-stream-orm-now-with-joins.html

Great article for beginners introducing Java collections by explaining what they are, the collection hierarchy, and general benefits of using Java collections. You will examine each Collection interface including in depth explanations and examples for each.
#java #collections #junior
https://www.stackchief.com/blog/Java%20Collections%20In%20Depth

In this article, you are going to learn how and also why you should always synchronize both sides of an entity relationship, no matter if it’s OneToMany, OneToOne or ManyToMany.
#java #db #hibernate
https://vladmihalcea.com/jpa-hibernate-synchronize-bidirectional-entity-associations/

Removing serialization is a long-term goal and is part of Project Amber, which is focused on productivity-oriented Java language features.
#java #news
https://www.infoworld.com/article/3275924/java/oracle-plans-to-dump-risky-java-serialization.html

New releases from the last week: IntelliJ IDEA 2018.2 EAP2 and Spring Cloud Data Flow 1.5.0
#releases #ide #spring
https://blog.jetbrains.com/idea/2018/05/intellij-idea-2018-2-eap2-breakpoint-intentions-enhancements-in-code-refactoring-and-more/
https://spring.io/blog/2018/05/16/spring-cloud-data-flow-1-5-0-released

In this article you will explore most common mistakes in microservices that cause technical debt as well as suggestions of what you could be doing instead.
#architecture #microservices #middle
https://www.e4developer.com/2018/02/11/common-technical-debt-in-microservices/

In this article, you will explore some strategies for dealing with optional parameters in Java. You can take a look at the strengths and weaknesses of each approach and check the trade-offs involved with selecting one strategy over another.
#java #patterns #junior #middle
https://stackify.com/optional-parameters-java/

A good thing to know for any Java dev working with Excel spreadsheets, let's see how the Apache POI library can help you programatically read and write Excel files with little overhead.
#java #io
https://dzone.com/articles/introduction-to-apache-poi-library

Microservices are eating the world! One of the many other challenges that Microservices brings, is the way we test changes made on them. Learn how you can utilise Consumer-Driven Contract Testing with Spring Cloud Contract to deal with this challenge.
#spring #architecture #microservices
https://aboullaite.me/a-practical-introduction-to-spring-cloud-contract/

Explore how in Kotlin you can avoid equality, data class, switch, assignment, override and null related defects!
#kotlin #java #middle
https://proandroiddev.com/kotlin-avoids-entire-categories-of-java-defects-89f160ba4671

In this article it is demonstrated how you can achieve instant startup for Netty, a non-blocking I/O Java networking framework. You can do this by compiling the Netty application into a native executable with GraalVM. Read more to get all the details.
#java #graalvm #netty #middle #senior
https://medium.com/graalvm/instant-netty-startup-using-graalvm-native-image-generation-ed6f14ff7692