Core Java
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Design Patterns in the 21st Century: The Adapter Pattern
This is part three of my talk, Design Patterns in the 21st Century. The Adapter pattern bridges worlds. In one…
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Design Patterns in the 21st Century: The Abstract Factory Pattern
This is part two of my talk, Design Patterns in the 21st Century. This pattern is used everywhere in Java…
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Interface Evolution With Default Methods – Part II: Interfaces
Default methods were introduced to enable interface evolution. If backwards compatibility is sacrosanct, this is limited to adding new methods…
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Java 8 Lambdas in One Line
If you understand this line, or better still can write this code you can pretty much say that you have…
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7 Things You Thought You Knew About Garbage Collection – and Are Totally Wrong
What are the biggest misconceptions about Java Garbage Collection and how’s it really like? When I was a kid my…
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A way to read properties with variable interpolation
Recently, I tried to define and read a global properties in an application server. The benefit of such property configured…
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How to Use Java 8 Streams to Swiftly Replace Elements in a List
Imagine you have a list of items: List<String> books = Arrays.asList( "The Holy Cow: The Bovine Testament", "True Hip Hop",…
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Java Performance Tuning: Getting the Most Out of Your Garbage Collector
What’s going on under the hood of the JVM and how Garbage Collection affects Java performance? The performance tuning world…
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Don’t be Fooled by Generics and Backwards-Compatibility. Use Generic Generic Types
I’ve recently had a very interesting discussion with Sebastian Gruber from Ergon, a very early jOOQ customer, whom we’re in…
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