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Understanding AutoValue and its extensions
Some time ago, I started working on an AutoValue extension for reading and writing Java properties files. Here’s a rough plan of what I thought it should do:
- have a simple and reliable implementation;
- be similar or reuse the existing AutoValue extensions as much as possible;
- easily replace the custom code in our projects for reading/writing the .properties files;
- support obfuscated builds out of the box.
I didn’t get it to the stage where the code is ready to become public yet, although, we’re open to that idea, I learned quite a bit about AutoValue, how its extensions work and in this post, I want to share that knowledge with you.
In this post, we’ll look at what AutoValue is and how it can help you keep your code cleaner and less verbose, at AutoValue extension mechanism and AutoValue Moshi extension works.
9 Java Champions on Java 9: Part 1
With the Java 9 version on the brink of release, we thought we’d ask 9 Java Champions for their opinions about the Java 9 release. In this blog post we’ll feature responses from four Java Champions on what they like and dislike about Java 9.
Switching Java versions on the command line
In this post, I want to share my setup to switch the active JDK version on the command line. Note, I’m use a Mac, and the scripts in this post will work on a Mac and, perhaps, on some Linux machines. If you have a good recipe on how you switch Java versions on the command line on Windows, please share with the community in the comments.
Let’s get to it then. When you download a new JDK release it comes as an installer, so you double click it, click the “Next” button necessary amount of times, and it puts the files somewhere on the filesystem. Or you do it manually.
RxJava cheat sheet, with a pinch of Android
Today we’re talking about RxJava, the library that implements the ideas of the reactive extensions, which is a library for composing asynchronous and event-based programs using observable sequences.
Download and print out this cheat sheet so you can use it whenever you need. To get fuller explanations and more detailed content in the cheat sheet, continue reading this blog post!
GET THE RxJava CHEAT SHEET!
New ZTLive Webinar: What’s New for Devs in JDK 9
Well it’s really happening. JDK 9 that is — currently due for general availability on September 21st 2017. As we get closer to the release date, talk around many offices has been intensifying around what we as developers can actually expect from JDK 9.
This makes Java 9 the perfect topic for our next ZTLive webinar. We are thrilled to have two amazing speakers (and amazing human beings) to present on some great Java 9 topics: Venkat Subramaniam and Simon Ritter.
TestContainers: making Java integration tests easy
In this post I want to share a word about an awesome library for integration testing in Java — TestContainers. We’ll provide a little background on why integration testing is so important at ZeroTurnaround and our requirements for integration tests. You will learn how TestContainers helps us at ZeroTurnaround with our own integration testing. You’ll also find a fully-functional example of an integrated test for a Java agent.
Performance metrics that are not lying to you
Common statistical metrics are not applicable in performance testing. Incorrect metrics may cause you to ignore real problems and to optimize where it isn’t necessary. Let us look at the proper way to do performance testing.
The best Java 9 Language and API improvements
In this post, I don’t want to spend time on discussing the module system in detail, but instead, I want to talk about what every Java developer can benefit from: the upcoming API and language changes.
So here’s a list of our favorite API changes in Java 9. Naturally, you can just look at the code examples in the post, to get the gist of what’s shown. But you can also fire up JShell and run these snippets as we talk about them to see for yourself what is going on. I’ll wait for you to start JShell up before continuing… ready? Not yet? Ok… done? Still not? Yeh, it takes a while to warm up… ok it’s started, great! Let’s begin.
Developer Productivity Survey 2017: Why do you use the tools you use?
We’re excited to launch the survey for the RebelLabs Developer Productivity Report 2017. We’ve done a bunch of survey fuelled reports in the past and try to publish one every year analyzing the responses we get from the community about the tools they use, the technologies considered exciting or dull, the architectures we employ to build software, productivity metrics and so on. If you’ve done this before, know the ropes and just want to get started with the survey, click the fantastic button below and you’re good to go.
