JDK 17: The new features in Java 17

Always-strict floating point semantics, a foreign function and memory API, and a uniform API for pseudo random number generators are planned for the Java long-term support release due in September.

Editor at Large, InfoWorld |

JDK 17: The new features in Java 17 — Jessica Lewis (CC0)

The feature set for Java 17 is now frozen, with the next version of standard Java due to have 10 new features plus two feature removals and two feature deprecations. Among capabilities set for Version 17 are context-specific deserialization filters support, which is a security enhancement, and a preview of pattern matching for switch statements and expressions.

Due as a production release on September 14, Java Development Kit (JDK) 17 will be a long-term-support (LTS) release, with extended support from Oracle expected for several years. The feature set was frozen on June 10 when JDK 17 reached an initial rampdown phase. The stabilization repo, jdk17, is open for select bug fixes and, with approval, late enhancements. Features filed as part of OpenJDK’s JDK 17 include the following:

Paul Krill is an editor at large at InfoWorld, whose coverage focuses on application development.