Core Java
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Built-in Fake Objects
While mock objects are perfect instruments for unit testing, mocking through mock frameworks may turn your unit tests into an…
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Hazelcast’s MapLoader pitfalls
One of the core data structures provided by Hazelcast is IMap<K, V> extendingjava.util.concurrent.ConcurrentMap – which is basically a distributed map,…
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Asynchronous SQL Execution with jOOQ and Java 8’s CompletableFuture
Reactive programming is the new buzzword, which essentially just means asynchronous programming or messaging. Fact is that functional syntax greatly…
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ChoiceFormat: Numeric Range Formatting
The Javadoc for the ChoiceFormat class states that ChoiceFormat “allows you to attach a format to a range of numbers”…
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Reduce Boilerplate Code in your Java applications with Project Lombok
One of the most frequently voiced criticisms of the Java programming language is the amount of Boilerplate Code it requires.…
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Common Mistakes Junior Developers Do When Writing Unit Tests
It’s been 10 years since I wrote my first unit test. Since then, I can’t remember how many thousands of…
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How Nashorn Impacts API Evolution on a New Level
Following our previous article about how to use jOOQ with Java 8 and Nashorn, one of our users discovered a…
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Maven Common Problems and Pitfalls
Love it or hate it (and a lot of people seem to hate it), Maven is a widely used tool…
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Processing Java Annotations Using Reflection
In my previous article covering Java Annotations, I outlined a recent use case and provided you with some examples of custom…
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