Latest Posts

The European tour 2025 is over

2025-11-10   Juan Antonio Breña Moral   blog

Introduction Over the last few weeks, I had the privilege of sharing with the Java community a few ideas that could be very useful for Java Software engineers in their daily work or for organizations enhancing their pipelines. Using these lines, I would like to acknowledge Stephan Janssen from Devoxx, Luis Fabrício De Llamas from DevConverge, Christina Bergh from W-JAX and the entire Madrid JUG tea...

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What's new in Cursor rules for Java 0.11.0?

2025-09-29   Juan Antonio Breña Moral   blog

What are Cursor rules for Java? The project provides a collection of System prompts for Java Enterprise development that help software engineers in their daily programming work & data pipelines. The available System prompts for Java cover areas such as Build system based on Maven, Design, Coding, Testing, Refactoring & JMH Benchmarking, Performance testing with JMeter, Profiling with async-...

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Beyond Traditional Profiling: Mastering JFR for Modern Java Applications

2025-09-17   MyRobot   blog profiling jfr java performance java-25

Discovering JFR: A Journey into Modern Java Profiling Excellence Symptom: memory usage drifts under real production load. Constraint: profiling cannot degrade latency or throughput. Solution: Java Flight Recorder (JFR) — the built‑in, low‑overhead recorder that captures CPU, memory, GC, I/O, and custom events from live systems with typically under 2% impact. With JFR, production evidence replaces g...

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What's new in Cursor rules for Java 0.10.0?

2025-09-05   Juan Antonio Breña Moral   blog

What are Cursor rules for Java? The project provides a collection of System prompts for Java that help software engineers in their daily programming work. The available System prompts for Java cover aspects like Build system based on Maven, Design, Coding, Testing, Refactoring & JMH Benchmarking, Performance testing with JMeter, Profiling with Async profiler/JDK tools & Documentation. What...

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What's new in Cursor rules for Java 0.9.0?

2025-07-23   Juan Antonio Breña Moral   blog

What are Cursor rules for Java? Cursor Rules for Java is an Open Source project that provides a set of interactive system prompts for Java that help software engineers in their daily work. In this new release, the project includes the following features: Added Version control Added a new rule about 127-java-functional-exception-handling Added Consultative Interaction Technique in the majority of R...

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