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- Java 23 introduces two new preview features. You should not use these in production code, as they can still change (or, as in the case of string templates, can be removed again at short notice).
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Sep 17, 2024 · But, with Java 23, Primitive Types in Patterns, instanceof, and switch, a preview language feature, you could code this functionality using the more expressive and easy-to-read switch constructs, using long values in the case labels.
Oct 2, 2024 · We can explicitly enable preview features in the javac command using the VM options –enable-preview –source 23. JDK Enhancement Proposal 455 introduces two major changes in Java 23: We can use all primitive types in switch expressions and statements, including long, float, double, and boolean.
Introducing a feature as a preview feature in a mainline JDK release enables the largest developer audience possible to try the feature out in the real world and provide feedback. In addition, tool vendors are encouraged to build support for the feature before Java developers use it in production.
Oct 9, 2024 · Stream Gatherers (JEP 473 — Preview) Stream Gatherers add more flexibility to the Stream API by allowing developers to define custom intermediate operations. This allows more advanced stream ...
Sep 17, 2024 · New with Java 23. JDK 23 delivers twelve enhancements that are significant enough to warrant their own JDK Enhancement Proposals - JEPs, including eight preview features and one incubator feature. They cover improvements to the Java Language, APIs, performance, and the tools included in the JDK.
Aug 9, 2024 · JDK 23 introduces several new features including enhanced primitive type patterns, flexible constructor bodies, simplified module imports, structured concurrency, an updated Class-File API, stream gatherers, and enhancements to the Vector API.
