Lukas Eder

Lukas is a Java and SQL enthusiast developer. He created the Data Geekery GmbH. He is the creator of jOOQ, a comprehensive SQL library for Java, and he is blogging mostly about these three topics: Java, SQL and jOOQ.

Core Java
Lukas EderMarch 25th, 2016
0 64
Improve Your JUnit Experience with this Annotation
JUnit is probably part of 90% of all Java projects. And the exciting thing is, we’ll soon have JUnit 5…
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Software Development
Lukas EderMarch 18th, 2016
0 152
10 Easy Steps to a Complete Understanding of SQL
Too many programmers think SQL is a bit of a beast. It is one of the few declarative languages out…
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Ceylon
Lukas EderMarch 16th, 2016
4 138
Ceylon Might Just be the Only (JVM) Language that Got Nulls Right
Here we go again. THAT TOPIC. But hang on. The approach discussed here (and in the Ceylon language) is not…
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Software Development
Lukas EderMarch 11th, 2016
0 138
SQL JOIN or EXISTS? Chances Are, You’re Doing it Wrong
I’ve noticed this very consistently with a lot of customers, and also with participants of our Data Geekery SQL Workshop…
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Core Java
Lukas EderMarch 10th, 2016
0 78
Java A’s new Local-Variable Type Inference
News could hardly get more exciting than this, for a programming language aficionado! There is now a JEP 286 for…
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Software Development
Lukas EderMarch 9th, 2016
0 66
UI Developers! Choose Sensible Default Ordering!
Good decisions come from experience. Experience comes from making bad decisions. ― Mark Twain Today, let’s look at one piece…
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Core Java
Lukas EderMarch 3rd, 2016
0 99
How to Support Java 6, 8, 9 in a Single API
With jOOQ 3.7, we have finally added formal support for Java 8 features. This opened the door to a lot…
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Kotlin
Lukas EderFebruary 29th, 2016
0 109
A Very Peculiar, but Possibly Cunning Kotlin Language Feature
This has caught me by surprise. After studying the Kotlin language to learn about how to best leverage this interesting…
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Core Java
Lukas EderFebruary 29th, 2016
0 121
(Ab)using Java 8 FunctionalInterfaces as Local Methods
If you’re programming in more advanced languages like Scala or Ceylon, or even JavaScript, “nested functions” or “local functions” are…
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