On the face of it, flatMap, concatMap, and concatMapEager do largely the same thing. But let's look under the hood to see which works best in a given situation.
Method references in Java like String::isEmpty can be used easily, but their negations cannot. Read this article and find out how to fix this problem and improve your code.
In this post, we go over the best article of June from DZone's Web Dev Zone, showcase a couple of great jobs, and link to some of our great web dev publications.
Let's dig deep into the bytecode level so you can see how lambda expressions really work, as well as how to combine them with getters, setters, and other tricks.
Here is an explanation of how @TransactionalEventListener works, how it's different from a @EventListener, and what threats should be taken into account before using it.
There is not an absolute right or absolute wrong opinion on this dilemma. But here is why I think there is a misunderstanding of what functional programming really is.
Testing your REST APIs and even calls between microservices are of critical importance. Take a look at a tool that can help make that testing a little easier.
Learn how to get started with Apache NiFi by walking through how to ingest Salesforce data into Hive tables with the help of Progress DataDirect JDBC drivers.
In this tutorial, we show you how to use jBCrypt to hash your passwords, and up your security game in these troubled times for the cybersecurity world.
Learning RxJava can be a challenge, what with it being a fairly substantial shift in how you think. In this post, we take a look at some FAQs that come up.
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