Category Archives: Kotlin

Kotlin properties – from basic to lazy

Posted on March 2, 2018 by Jarno Walgemoed

Kotlin has many things going for it, with one of the main qualities being its built-in null-safety. This guarantees that properties will always have a non-null value at runtime, greatly reducing the risks of coding errors and NullpointerExceptions. In languages … Continue reading →

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Do we need a whole new ekosystem?

Posted on February 8, 2018 by Jasper Sprengers

There’s a joke that if you ask a developer to code a program to process widgets, they’d rather build a domain specific language and tool stack first to make life easier for when they might one day build the software … Continue reading →

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Kotlin Quick Tip: Annotation targets

Posted on February 6, 2018 by Jarno Walgemoed

If you — like me — are a sucker for reducing boilerplate and are using JSR-303 – Bean Validation (I use it as part of Spring Boot) then you may have noticed how it can help you reduce validation boilerplate … Continue reading →

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JMockit extensions for Kotlin

Posted on February 5, 2018 by Stephan Oudmaijer

Sometimes you have to deal with existing libraries… also libraries that do not provide out-of-the-box support for Kotlin (bastards!). What do you do in such a scenario? Write your own 😉 In one of my recent projects we were using … Continue reading →

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Kotlin’s invoke: it looks like a duck, quacks like a duck, but isn’t a duck

Posted on February 4, 2018 by Jasper Sprengers

SUMMARY: Kotlin has given us a fresh perspective on some very ingrained OO-habits, particularly the pervasive use of nouns for objects that have only one public method. This article was originally posted on jaspersprengers.nl and published here with kind permission. … Continue reading →

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