JavaOne 2025, celebrating the 30th birthday of the Java programming language, was held at the Oracle Conference Center in Redwood Shores, California. This three-day event consisted of 80 sessions and hand-on labs, and two keynotes. Day One, scheduled on March 18th, 2025, included the opening keynote and presentations from various conference tracks. By Michael Redlich ..read more

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 ..read more

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 ..read more

In this podcast, Felix GV, Principal Staff Engineer at LinkedIn, discusses how to create and operate planet-scale data storage solutions for derived data. When it’s time to build a new system, how do you decide on the pieces that must be fitted to ensure a resilient operating system? By Felix GV ..read more

This week's Java roundup for March 10th, 2025 features news highlighting: OpenJDK JEPs targeted and proposed to target for JDK 25; the release of Jakarta NoSQL 1.0; the third milestone release of Spring Framework 7.0; the third release candidate of Maven 4.0; and the second beta release of LangChain4j 1.0. By Michael Redlich ..read more

Richard Startin explores the relationship between complexity and performance through the lens of recent improvements to the Java String class, visiting continuous profiling and some assembly code. By Richard Startin ..read more

One month after the release of Quarkus 3.18.0, version 3.19.0 was released in February 2025. This is the last release before the next long-term support (LTS) version, 3.20.0, which is now feature complete and scheduled to be released on March 26th according to the Release Planning guide. The new release uses the new @ConfigMapping infrastructure, UBI 9 images and Mockito’s inline strategy. By Johan Janssen ..read more

This week's Java roundup for March 3rd, 2025, features news highlighting: milestone releases of Spring Cloud 2025.0.0, GlassFish 8.0.0 and Grails 7.0.0; point releases of Spring gRPC 0.4.0, Helidon 4.2.0, Quarkus 3.19.2 and JHipster 1.29.1 and 1.29.0; the fourth release candidate of Netty 4.2.0; and Devnexus 2025. By Michael Redlich ..read more

Johannes Bechberger discusses building a high-throughput firewall leveraging the combined power of eBPF and Java. By Johannes Bechberger ..read more

This week's Java roundup for February 24th, 2025 features news highlighting: JEP 502, Stable Values (Preview), Proposed to Target for JDK 25; milestone and point releases for Spring Modulith; the February 2025 release of Open Liberty; and the releases of Quarkus 3.19.0, JReleaser 1.17.0 and Gradle 8.13.0. By Michael Redlich ..read more