Timely Computation of Derived Values
DZone In my penultimate post, I described the use-case of an e-commerce shop. In general, interactions in such a shop…
Querying Your In-Memory-Data-Grid
DZone An in-memory data grid (IMDG) is a set of networked/clustered computers that pool together their random access memory (RAM)…
Teeing, a Hidden Gem in The Java API
DZone Last week, I described a use-case for a custom Stream Collector. I received a intriguing comment on Twitter: Hats…
A Real-World Example of a Stream Collector
DZone Java Stream’s Collectors methods fit most use-cases. They allow returning either a Collection or a scalar. For the former,…
An Example of Over-Engineering
DZone This week’s post is pretty short. I’ve already written about over-engineering, but this adds a personal touch. I had…
Your Own Custom Spring Data Repository
DZone Frameworks promise to speed up one’s development pace provided one follows the mainstream path.The path may be more or…
Hazelcast, From Embedded to Client-Server
DZone Java developers are particularly spoiled when using Hazelcast. Because Hazelcast is developed in Java, it’s available as a JAR,…
Changing a Field's Type in Recent JDKs
DZone A couple of years ago, I attended a talk of my former colleague (but still friend) Volker Simonis. It…
A (Definitive?) Guide on LazyInitializationException
DZone Posts that have been written about Hibernate’s LazyInitializationException could probably fill whole books. Yet, I believe each of them…
Kicking Spring Native's Tires
DZone I’ve been playing with GraalVM Ahead-Of-Time compilation capability since I became aware of it. As a long-time Spring aficionado,…