Wednesday, 21 September 2022 02:01

Java 19 arrives

By
Oracle senior vice president of Java Platform development and chair of the OpenJDK Governing Board Georges Saab Oracle senior vice president of Java Platform development and chair of the OpenJDK Governing Board Georges Saab

Java 19 increases developer productivity, improves the Java language, and enhances performance, stability and security, according to Oracle.

Java 19 is the tenth release on the six-month cadence, said Oracle senior vice president of Java Platform development and chair of the OpenJDK Governing Board Georges Saab. This approach allows the delivery of preview features in mainstream releases.

Preview features are fully functional and fully documented, and making them available to the developer community means they can be tested in a wide variety of situations.

The Java technology pipeline "has never been richer," he observed.

JDK 19 delivers language Improvements from OpenJDK project Amber (Record Patterns and Pattern Matching for Switch); library enhancements to interoperate with non-Java Code (Foreign Function and Memory API) and to leverage vector instructions (Vector API) from OpenJDK project Panama; and the first previews for Project Loom (Virtual Threads and Structured Concurrency), which will drastically reduce the effort required to write and maintain high- throughput, concurrent applications in Java.

The new release includes a substantial number of bug fixes and minor improvements. More than two-thirds were contributed by Oracle. Red Hat, independent developers, Tencent, Amazon and Arm were the next most significant contributors.

In addition to the six-monthly Java releases, Oracle provides free quarterly security updates for the current main version. Security fixes are also available to subscribers for to all applicable previous releases.

"Security is basically the only thing we consider more important than compatibility," said Saab.

Other subscriber benefits include support, entitlement to GraalVM Enterprise, and access to the Java Management Service.

Oracle vice president of developer relations Chad Arimura said the company is continuing to invest in programs to support and promote Java, including youtube.com/java and other social channels, dev.java (the "launchpad" for Java developers), and inside.java ("the newsfeed for Java").

Other activities include the return of both the JavaOne conference (Las Vegas, 17–20 October) and the Java Day events (Paris, Hamburg, Karlsruhe and Guadalajara are on the calendar, with more to follow).

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Stephen Withers

Stephen Withers is one of Australia¹s most experienced IT journalists, having begun his career in the days of 8-bit 'microcomputers'. He covers the gamut from gadgets to enterprise systems. In previous lives he has been an academic, a systems programmer, an IT support manager, and an online services manager. Stephen holds an honours degree in Management Sciences and a PhD in Industrial and Business Studies.

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