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Core Java
Java: ChronicleMap Part 2, Super RAM Maps
The standard Java Maps, such as the ubiquitous HashMap, are ultimately limited by the available RAM. Read this article and…
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Core Java
Java: ChronicleMap Part 1, Go Off-Heap
Filling up a HashMap with millions of objects will quickly lead to problems such as inefficient memory usage, low performance…
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Agile
Where I Think “Agile” is Headed, Part 1: Do You Need an Agile Approach?
I spoke at Agile 2019 last week. I had both a great time and a heart-rending realization. The great time…
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Enterprise Java
Recent Drools DMN open source engine performance improvements
We are always looking to improve the performance of the Drools DMN open source engine. We have recently reviewed a…
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Kotlin
Verifying a Contract with CSV data
Attachments in Corda can be more than just PDFs sent along with a transaction. They can actually be used programmatically…
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Core Java
JEP 358: Helpful NullPointerExceptions
In the post “Better Default NullPointerException Messages Coming to Java?“, I summarized background details related to a draft JEP (at…
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Agile
Rethinking the Need for Generalizing Specialists
Early on in my agile practice, I believed in generalizing specialists. I even wrote Five Tips to Hiring a Generalizing…
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Enterprise Java
How to integrate and use EclEmma plugin for having good Junit Coverage
Hello Friends, If writing good code is important,then it is equally important to write good Junit test cases which covers…
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Core Java
Annotation Handling and JPMS
TLDR; Instead of annotation.getClass().getMethod("value") call annotation.annotationType().getMethod("value"). All Java developers have heard about annotations. Annotations are with us since Java 1.5…
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