Jdk 16: Whatвђ™s Coming In Java 16 Apr 2026

: 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.

The following features graduated from preview status to become permanent parts of the Java language in version 16: JDK 16: What’s coming in Java 16

Old way : if (obj instanceof String) { String s = (String) obj; ... } : Most internal elements of the JDK are