Overview This is the first article in this series about Apache Maven 4. Currently Apache Maven 4 is in alpha state (alpha-13). You can already download it and of course use it (I recommend to test things to see, if something strange happens. If you find problems, please report them) but I would not recommend to use it …

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Overview If you take a look into JDK-22, you will find a very interesting thing, which is called 461: Stream Gatherers (Preview). Those Gatherers are a way to enhance the Stream API, which is existing in the JDK since 2014 (JDK 8). The collectors have been enhanced over the time (You can look up the differences via …

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In the previous part of the series - Maven Plugin Testing - In a Modern way - Part V we have seen how to define system properties to run Maven. In this part we will take a deeper look how we can define profile(s) for a Maven call to be used. Let us take a look at a simple example taken from the previous part. …

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You might have already used the strategy pattern in relationship with Spring Boot where it is very convenient to use. You simply define an interface for example (I use the prefixing I only in these examples for clarity): 1public interface IOneStrategy { 2 void executeTheThing(); 3} Define some implementations like …

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In the previous part of the series - Maven Plugin Testing - In a Modern way - Part IV we have seen how to define goals to run Maven. In this part we will take a deeper look how we can define system properties for a Maven call to be used. Let us take a look at a simple example taken from the previous part. …

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In the prevous part of the series - Maven Plugin Testing - In a Modern way - Part III we have seen how to define command line options. In this part we will take a deeper look which goals will run for each test case and how we can change that. Let us start with simple example test case like the following: …

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In the second part of the series - Maven Plugin Testing - In a Modern way - Part II we have seen how to make the basic integration test while checking the log output of Maven builds. In this third part we will dive into how Maven will be called by default during the integration tests and how we can influence that …

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In the first part of the series - Maven Plugin Testing - In a Modern way - Part I we have seen how to make the basic setup with The Integration Testing Framework and run very basic integration test. In this second part we will take a deeper look into other aspects of testing Maven plugins in particular how we check the …

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You have decided to write a Maven Plugin. Now the important part comes around the corner: How to test a Maven Plugin? There are in general several options to test a Maven Plugins for example: Maven Invoker Maven Verifier Maven Plugin Testing Harness etc. You can read about different reason not to use one of those …

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The story started with a Twitter Post about the JDK method bitCount which is available for Long and Integer types. If you take a look into the time line, there was a reply https://twitter.com/ScottSelikoff/status/1254185742760280064 by @ScottSelikoff (funny comment of course) who stated 42 as the answer to life, the …

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