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
Reduces pause times by performing evacuation work concurrently. Hidden Classes JDK 15: The new features in Java 15
These features graduated from "preview" or "experimental" status to being permanent parts of the language. Sealed Classes (First Preview) JDK 15 was released in September 2020 as