Project Valhalla, Explained: How a Decade of Work Arrives in JDK 28
Summary
The article explains Project Valhalla's goals to merge memory density with Java's object model, detailing value classes, scalarization, and memory layouts. It covers the evolution from early prototypes to JEP 401 in JDK 28, and outlines how generics, boxing, and arrays may change over time, with a preview-focused rollout.