Java 19: Virtual Threads

Java 19 introduces Virtual Threads, which are lightweight threads designed to improve application throughput. This is a preview language feature…

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Java 17: Pattern Matching for Switch

In Java 17 (released only a few days ago), Pattern Matching for switch has been introduced as a preview language…

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Java 16: Stream.mapMulti

Java 16 introduces a new Stream.mapMulti method which allows you to replace elements in a stream with multiple elements. The…

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Java 16: Stream.toList()

Java 16 introduces a handy new Stream.toList() method which makes it easier to convert a stream into a list. The…

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kdb+/q – Display a Table as a Tree

This post shows how you can convert a keyed table to a hierarchical tree format in kdb+/q. This could be…

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Creating Temporary Files with JUnit 5

This post shows you how to perform unit testing using temporary files with JUnit 5. If you’re still on JUnit…

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Parameterized Tests in JUnit 5

A parameterized test allows you to run a test against a varying set of data. If you find yourself calling…

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Testing Expected Exceptions with JUnit 5

This post shows how to test for expected exceptions using JUnit 5. If you’re still on JUnit 4, please check…

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Java 15: Sealed Classes

Java 15 introduces Sealed Classes, a preview language feature, that allows classes/interfaces to restrict which other classes/interfaces may extend or…

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