Java
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Ultra-Low Latency Querying with Java Streams and In-JVM-Memory
Fundamental rules of nature, such as the speed of light and general information theory, set significant limits on the maximum…
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Java Subtlety with Arrays of Primitives and Variable Arguments
An interesting question was posed in a comment on the DZone-syndicated version of my recent blog post “Arrays.hashCode() Vs. Objects.hash()“.…
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Simplify integration testing of legacy application with Spock 1.2
Learn how leverage Spock 1.2 to slice a Spring context of a legacy application writing integration tests. Have you ever…
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Java: Streaming a JDBC ResultSet as JSON
This post shows how you can convert a java.sql.ResultSet to JSON and stream it back to the caller. This is…
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ActiveMQ Performance Testing
We use ActiveMQ as our messaging layer – sending large volumes of messages with a need for low-latency. Generally it…
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JDK 12 News (13 September 2018)
With General Availability of JDK 11 planned for later this month (25 September 2018), it’s a good time to start…
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Thread-local state availability in reactive services
Any architecture decision involves a trade-off. It’s no different if you decide to go reactive, e.g. on one side using…
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Arrays.hashCode(Object[]) versus Objects.hash(Object…)
Since JDK 1.5, the Arrays class has offered overloaded static methods with the name “hashCode“. Most of the overloaded methods…
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Query Databases Using Java Streams
In this article, you will learn how you can write pure Java applications, that are able to work with data…
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