JEP 450 (Compact Object Headers) has been targeted for delivery in JDK 24. This currently experimental feature optimizes heap utilization by shrinking the size of the mandatory object header in HotSpot. This should reduce overall heap size, improve densit... (more…)

Robert Garner recounts the origins of Java as part of an effort to build a universal remote control, and how Bill Joy saved the project with the insight that... (more…)

What’s javap, how to use it and when would you want to disassemble class files? (more…)

TL;DR: Recently, DuckDB a database that promises to become the SQLite-of-analytics, was released and I took it for an initial test drive. Install it via conda install python-duckdb or pip install duckdb. (more…)

Code yourself to the top in this short Java coding challenge! (more…)