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Core Java
JDK 13: What AggressiveOpts?
The Java VM flag -XX:+AggressiveOpts was deprecated in JDK 11 [see JDK-8199777 and JDK-8199778] “because its behavior is ill-defined.” The…
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Enterprise Java
Conversational UI with Oracle Digital Assistant and Fn Project. Part II
In my previous post I implemented a conversational UI for FlexDeploy with Oracle Digital Assistant. Today I am going to…
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Enterprise Java
Spring Data Redis: High-Availability with Sentinel
1. Overview For high-availability with Redis, we can use Spring Data Redis’ support for Redis Sentinel. With Sentinel, we can…
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Kotlin
Testing exceptions in Kotlin with assertFailsWith
I wanted to write this short post to highlight the assertFailsWith function available to Kotlin that makes testing exceptions a…
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Software Development
Microservices for Java Developers: Testing
1. Introduction Since Kent Beck coined the idea of test-driven development (TDD) more than a decade ago, testing became an…
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Agile
Collaboration and roles, learning from Rugby union
I keep on hearing team mates say things like “it’s not my job to test, I am a <insert_role>” or…
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Enterprise Java
Spring Custom Serializers with @JsonIdentityInfo
Intro Serialization/Deserialization from/to JSON in Spring is widely used in modern Spring-based applications. It is based on Jackson. Jackson can…
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Enterprise Java
Tutorial: Create and Verify JWTs in Java
“I love writing authentication and authorization code.” ~ No Java Developer Ever. Tired of building the same login screens over…
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DevOps
New eBook: Building the Perfect Enterprise DevOps Stack
A guide to building the perfect stack for enterprise DevOps teams Every team approaches software tooling differently, but overall we…
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