InfoQ - Java 24 - News

Java 24 Delivers New Experimental and Many Final Features

Michael Redlich — Tue, 18 Mar 2025 21:10:00 GMT

Oracle has released version 24 of the Java programming language and virtual machine. As the third non-LTS release since JDK 21, the final feature set includes 24 JEPs. Two of these - Generational Shenandoah and Compact Object Headers - are new experimental features. Also, nearly half of these features are final, some of which have gone through the incubation and preview processes.

By Michael Redlich

Java Applications Can Start 40% Faster in Java 24

Karsten Silz — Tue, 18 Mar 2025 06:00:00 GMT

In Java 24, Project Leyden’s JEP 483, "Ahead-of-Time Class Loading & Linking", starts Java applications like Spring PetClinic up to 40% faster without code changes or new application constraints. It needs a training run to build a cache file that ships with the application. With GraalVM Native Image and CRaC, the startup is 95-99% faster but faces more constraints. Leyden plans more improvements.

By Karsten Silz