One request in your system results some threads and 10,000 requests results a lot more. This will eventually cause your system to run out of threads as more and more requests are in place. So how do we efficiently handle this case? Solution is NIO. Read on to see how to make one thread do another job like sending another request instead of waiting for the response send by a request.
#java #io #nio #middle #senior
https://medium.com/thinkspecial/reactive-nio-non-blocking-input-output-37c5cb44bf07

When you design and build applications at scale, you deal with two significant challenges: scalability and robustness. You should design your service so that even if it is subject to intermittent heavy loads, it continues to operate reliably. Check this amazing article and see how Message Queues, Spring Boot and Kubernetes can change the game.
#architecture #microservices #spring #springboot #kubernetes #middle #senior
https://learnk8s.io/blog/scaling-spring-boot-microservices

Right now JetBrains has 48 hours sales with 50% off the standard 1st year price for all IDEs!
#news #jetbrains #ide
https://www.jetbrains.com/promo/friends/

You love reactive streams. Great. The application you are working on is non-reactive and full of blocking calls. Not so great. In this article you will explore options to bridge reactive and non-reactive code and potentially make applications more performant.
#java #refactoring #middle #senior
https://itnext.io/how-to-make-legacy-code-reactive-2debcb3d0a40

The use of if..else chaining in some cases may not be considered the cleanest code you have ever come with. In this article the author will take you through some alternatives and how to end up with an elegant looking block using Optionals.
#java #refactoring #middle
https://codeburst.io/replace-your-if-else-if-nested-if-not-null-then-get-blocks-with-java-8-optional-s-ed9695a6331e

Java Magazine, July/August 2018
Libraries in Java are available today to do almost anything that is required, and for the most part, they’re open source and freely available. To help you navigate such a wide body of work, Java Magazine dedicated an entire issue to them. Learn the mechanics of library operations, look at the most popular one for creating PDF files, see how to convert pre-Java 9 libraries to Java modules and much more.
Don’t miss it!
#java #news #magazine
http://www.javamagazine.mozaicreader.com/JulyAugust2018#&pageSet=0&page=0&contentItem=0

Get familiar with the most important and meaningful DevOps metrics to monitor at your software development organization. Learn how they can assist you to evaluate the success of DevOps usage in your company. Optimizing any of them can help you make releases faster and create products your clients will love.
#devops #metrics #middle
https://dzone.com/articles/8-meaningful-devops-metrics-you-should-trust

When you work with a few thousands of items performance isn't a concern. But, in some extreme situations, when we have to travel over a few millions of items several times, performance will become a pain. In this article on dealing with collections in Java you will learn more about the forEach loop and how it compares to C style and Stream API.
#java #collections #junior #middle
https://dzone.com/articles/iteration-over-java-collections-with-high-performa

Learn about Zipkin and Jaeger, how they work to add request tracing to your logging routine, and how to choose which one is the right fit for you.
#debug #testing #jaeger #zipkin #middle #senior
https://dzone.com/articles/zipkin-vs-jaeger-getting-started-with-tracing

Check this analysis from a survey of the DZone community with a lot of detailed diagrams regarding the popularity of microservices, what programming languages are used the most and which are the prevailing frameworks, tools and trends in the microservices world.
#microservices #statistics #trends
https://dzone.com/articles/dzone-research-microservices-priorities-and-trends

The Java concurrent API and the streaming API are very interesting and powerful tools that we all using Java should learn how to use in a responsible way so we can deliver better and more performant applications. It might take some time to get used to these new concepts, especially when starting working with them, but it is just a matter of practice and good engineering techniques until we are experts on these areas.
#java #collections #junior #middle
https://hackernoon.com/collect-or-not-collect-your-java-stream-733821507ce

New releases from the last time:
#releases #spring #hibernate
Spring Framework 5.1
https://spring.io/blog/2018/07/26/spring-framework-5-1-goes-rc1
Hibernate 5.3
https://www.thoughts-on-java.org/hibernate-5-3/

Evolving the Java Language Principles and Directions
As Java is approaching middle age you may raise the question where would it be in the next years. Don't miss to watch this talk with Brian Goetz.
#java #javafuture
https://www.youtube.com/watch?v=A-mxj2vhVAA

The new version of the HTTP protocol, HTTP/2 lets the server push content to the client before the client requests the particular content. In this great article our colleague Peter Verhas will focus mostly on the server push functionality in the Servlet 4 API and will provide very useful tips how to test it.
#java #http #middle
https://www.javacodegeeks.com/2018/07/http-2-server-push.html

Want to learn how to compile Java code and significantly reduce startup time? Check out this post on using GraalVM in Java to learn more.
#java #tuning #senior
https://dzone.com/articles/natively-compile-java-code-for-better-startup-time

Joshua Bloch covers some highlights from the third edition of “Effective Java”, concentrating on streams and lambdas. If you do not have time to read the book or you only need to upgrade your Java 8 skills then this article is for you!
#java #architecture #junior #middle
https://www.infoq.com/presentations/effective-java-third-edition?useSponsorshipSuggestions=true&utm_source=presentations_about_java&utm_medium=link&utm_campaign=java

This amazing article covers very useful topics how to secure you Spring Boot based application. If you haven't considered security on you project this is your starting point! Don't miss it!
#spring #springboot #middle
https://developer.okta.com/blog/2018/07/30/10-ways-to-secure-spring-boot

Though Docker and Vagrant do similar things, they're very different. Understand the differences so you can choose the right one for your development environment.
#containers #docker #vagrant #middle
https://dzone.com/articles/vagrant-vs-docker-which-is-better-for-software-dev

An interesting article about the differences between CTO, VP of Engineering and Program Manager.
https://medium.com/engineering-leadership/defining-roles-cto-and-or-vp-engineering-f1c7563643a3

After seeing several APIs removed as part of Java 10, Java 11 looks to remove some more APIs. Check this post to loot at them and their potential replacements.
#java #java11 #news
http://marxsoftware.blogspot.com/2018/08/apis-to-be-removed-from-java-11.html