A Compendium of 2021 Java & OpenJDK Predictions
Now that 2021 is well underway, many prominent Java developers have taken the time to predict what 2021 may bring to the Java universe!
Performance
Tips on High Performance Rendering in JavaFX
Different rendering techniques in JavaFX using Canvas API, AWT Graphics2D, PixelBuffer and PixelBuffer GPU.
Continuous Production Profiling and Diagnostics
I’ve gotten a lot of questions about continuous production profiling. Why to profile in production and why the heck leave it on …
Peter Lawrey Talks about Low-Latency, High-Performance Java
Build a realistic workload, profile it, and tune the code if possible, or the JVM to optimise for that use case.
Timing Compiling .java Code Files and Executing .class Bytecode
See that the time to execute the bytecode for a simple program is a small fraction of the time to compile it using javac.
Startup Speed of Spring and Quarkus JARs on the Raspberry Pi
The same application was developed in both Spring and Quarkus. The average startup speed of my Quarkus JAR is 3 to 4 times faster compared …
What is JVM Bytecode?
Everyone who programs in Java is familiar with the term "bytecode". But how many of us understand what JDK bytecode actually is?
Useful Hotspot JVM Options for Today: Heap Sizing
The HotSpot JVM has a lot of options available. I have summed up here some of the most useful JVM options in the context of heap sizing.
Why the JVM Is a Brilliant Platform for New Programming Languages
The capability of the JVM to overcome problems related to hardware and operating systems is why we're seeing inventions of new languages on …
JmFrX: A Bridge From JMX to Java Flight Recorder
Announcement of a new open-source utility: JmFrX, a tool for capturing JMX data with Java Flight Recorder, making it available for offline …