When following major Java releases, we usually focus on bold and controversial JEPs while humble and tiny changes get introduced unnoticeably. One of such changes…
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Sorting a Stream instance is straightforward and involves just a single API method call – achieving the opposite is not that easy.
In this article, we’ll see how to shuffle a Stream in Java – eagerly and lazily using Stream Collectors factories, and custom Spliterators.
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The conciseness of Java 8 Lambda Expressions sheds a new light on classic GoF design patterns. By leveraging functional programming we can get the same…
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Kotlin’s Collections API is expressive and rich – but with great power comes great responsibility – there are certain practices that can cause an unnecessary time-complexity and object allocation overhead.
To fully understand the context, make sure to check the previous article first:
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Recently, while developing examples for the groupingBy() guide, I discovered handy JDK 10 additions to the Stream API – Collectors allowing collecting Stream pipelines into…
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It turns out that the new upcoming LTS JDK 11 release is bringing a few interesting String API updates to the table.
Let’s have a look at them and the interesting facts surrounding them.
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The groupingBy() is one of the most powerful and customizable Stream API collectors.
If you always find yourself not going beyond:
.collect(groupingBy(...));
…or simply wanted to discover more its potential uses, then this article is for you.
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One of the coolest (and totally impractical for most developers) features added to Java recently, is the StackWalking API. In this short article, we’ll see…
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In this article, we’ll see how to implement a custom sliding window Stream/Spliterator in Java.
Does the world need another way of implementing a sliding window operation in Java? Probably not, but you do – for your self-development.
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As far as I love Java 8’s CompletableFuture, it has its downsides – idiomatic handling of timeouts is one of them. Luckily, JDK 9 brought…
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Java is missing various “hot” features from languages like Scala or Kotlin, but luckily some of them can be recreated using existing features – sealed…
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Since there was some interest in seeing the same implemented in Java, in this article, we’ll see how we can implement the same Hamming encoder/decoder using Java and the Vavr library.
Previous articles from the series:
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In Java, the potential of lazy evaluation is quite neglected (actually, at the language level, it’s pretty much limited to the implementation of minimal evaluation) – advanced languages like Scala, for example, differentiate between call-by-value and call-by-name calls, or introduce dedicated keywords like lazy.
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While everyone’s busy with modularity, local-variable-type-inference, and other Next Big Things of recent JDK releases, there’s a fairly small and important update for the ForkJoinPool that deserves some attention.
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Kotlin’s Collections API is extremely versatile and expressive but there’s one important thing to be aware of especially when migrating from Java.
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