: 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.
: 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) {} . JDK 16: What’s coming in Java 16
: 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 : Most internal elements of the JDK are
: The OpenJDK community transitioned its source code management from Mercurial to Git and moved its repositories to GitHub . Performance and Tools The Arrival of 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.