Jdk 16: Whatвђ™s Coming In Java 16 Site

The following features graduated from preview status to become permanent parts of the Java language in version 16:

: Most internal elements of the JDK are now encapsulated by default to encourage the use of standard APIs and improve security. Access to these internals now requires explicit --add-opens flags. JDK 16: What’s coming in Java 16

: Simplifies the common task of checking an object's type and then casting it. It allows you to declare a binding variable directly in the instanceof check. The following features graduated from preview status to

JDK 16, released on March 16, 2021, introduced 17 main enhancements (JDK Enhancement Proposals or JEPs) designed to improve developer productivity, application performance, and platform modernization. As a release, it was supported for six months until the release of Java 17. Key Production-Ready Language Features It allows you to declare a binding variable

: Designates primitive wrapper classes (like Integer and Double ) as value-based and deprecates their constructors for removal to prepare for future Project Valhalla enhancements. Performance and Tools The Arrival of Java 16 - Oracle Blogs

: Provides a compact syntax for declaring classes that serve as transparent holders for immutable data. A record automatically generates a constructor, accessors, equals() , hashCode() , and toString() methods based on its components. Example : public record Point(int x, int y) {} .