Java 9 Expert Insights

Joe Darcy

JDK 9 enhances the Java language features added in JDK 7 and JDK 8 by simplifying try-with-resources, allowing private methods in interfaces, and making deprecation more informative.

Alex Buckley

JDK 9 introduces modules to the Java language that enable programs to be structured more easily and reliably.

Robert Field

An in-depth introduction and demonstration of the new JShell tool that makes investigating, learning, and prototyping easy with JDK 9.

Paul Su

G1 Garbage Collector is the new default garbage collector in JDK 9, offering a balance between latency and throughput for most use cases.

Paul Sandoz

JDK 9 runs better in Docker by respecting the container environment and allowing the creation of small Java images running on Alpine Linux.

Stuart Marks

JDK 9 introduces new collections APIs that make it simple and convenient to create instances of lists, sets, and maps.

Aurelio Garcia-Ribeyro

Starting with JDK 9, Oracle plans to have feature releases every six months and will offer OpenJDK binaries under GPL (GNU Public License).