These features graduated from "preview" or "experimental" status to being permanent parts of the language. Sealed Classes (First Preview)
💡 JDK 15 made Java more readable with Text Blocks and more efficient with the finalization of the ZGC and Shenandoah garbage collectors. JDK 15: The new features in Java 15
Classes that cannot be used directly by the bytecode of other classes. Intended for frameworks that generate classes at runtime. Improved security and reduced memory footprint. Foreign-Memory Access API (Second Incubator) JDK 15: The new features in Java 15
JDK 15 was released in September 2020 as a short-term feature release. It focused on finalizing major syntax enhancements and improving JVM performance. 🚀 Top Production Features JDK 15: The new features in Java 15