InfoQ Homepage Java Content on InfoQ
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Optimizing Java for Modern Hardware: the Continuous Evolution of the Vector API
JEP 460, Vector API (Seventh Incubator), has been delivered for JDK 22, marking the culmination of iterative enhancements from its initial incubation in JDK 16 through to JEP 448 in JDK 21. This latest version, part of Project Panama, introduces significant improvements upon feedback from six previous rounds of incubation.
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Java News Roundup: JDK 22 RC1, JBoss EAP 8.0, GlassFish 8.0-M2, LangChain4j 0.27
This week's Java roundup for February 5th, 2024, features news highlighting: the first release candidate of JDK 22, JBoss Enterprise Application Platform 8.0, IBM Semeru Runtimes first quarter 2024 updates, LangChain4j 0.27.0, and multiple point releases for Micronaut, Helidon and Eclipse Vert.x.
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Pinterest Open-Sources a Production-Ready PubSub Java Client for Kafka, Flink, and MemQ
Pinterest open-sourced its generic PubSub client library, PSC, which has been heavily used in production for a year and a half. The library helped the engineering teams by increasing developer velocity, and the scalability and stability of services using it. Over 90% of Java applications have migrated to PSC with minimal changes.
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Java News Roundup: LibericaJDK with RISC-V, Payara Platform, Gradle 8.6, LangChain4j, Spring Cloud
This week's Java roundup for January 29th, 2024, features news highlighting: LibericaJDK 21 with support for RISC-V, January release of Payara Platform, Gradle 8.6, LangChain4j 0.26, GraalVM Native Build Tools 0.10, and multiple releases of Open Liberty and Eclipse Vert.x.
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Simplifying Java Development: Introducing Multi-File Program Launching
JEP 458, Launch Multi-File Source-Code Programs, has been Closed/Delivered for JDK 22. This JEP proposes to enhance the Java Launcher to execute an application supplied as one or more files of Java source code. This allows a more gradual transition from small applications to larger ones by postponing a full-blown project setup.
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Java Enhances Pattern Matching with Primitive Type Support in JEP 455
JEP 455, Primitive Types in Patterns, instanceof, and switch (Preview), has been promoted from Proposed to Target to Targeted for JDK 23. This JEP, under the auspices of Project Amber, proposes to enhance pattern matching by allowing primitive type patterns in all pattern contexts, and extend instanceof and switch to work with all primitive types.
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How Continuous Mobile Development Can Benefit from Test Automation
Test automation can support continuous mobile software development by reducing manual testing efforts, minimizing human errors, and accelerating the release cycle. Burak Ergören shared his experiences from automating their mobile testing at QA Challenge Accepted 2023.
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TornadoVM Launches TornadoInsight Plugin for IntelliJ IDEA
TornadoInsight is an open-source IntelliJ plugin released in December 2023 to improve developers’ experience while working with TornadoVM. Its key features include an on-the-fly static checker and a dynamic testing framework. The plugin is available on JetBrains Marketplace and is available to install and use with JetBrains IDE versions 2022.3 and above.
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Java News Roundup: WildFly 31, Eclipse Store 1.1, Liberica NIK, Quarkus, JHipster Lite
This week's Java roundup for January 22nd, 2024 features news highlighting: WildFly 31.0.0, Eclipse Store 1.1.0, BellSoft Liberica Native Image Kit, multiple releases of Quarkus and JHipster Lite, and Jakarta EE 11 updates.
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The One Billion Row Challenge Shows That Java Can Process a One Billion Rows File in Two Seconds
On the first day of 2024, Gunnar Morling, Senior Staff Software Engineer at Decodable, launched The One Billion Row Challenge (1BRC) to the Java Community. This ongoing challenge will run until the end of January and aims to find Java code that processes one billion rows in the fastest time. Until now, the podium contained algorithms that finished the processing in under 2.5 seconds.
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Java News Roundup: JDK 22 in Rampdown Phase Two, JEPs for JDK 23, Jakarta EE 11, GraalVM
This week's Java roundup for January 15th, 2024, features news highlighting: JEP 455 Proposed to Target for JDK 23, JDK 22 in Rampdown Phase Two, an updated Jakarta EE 11 release plan, GraalVM, and Oracle’s Critical Patch Update for January 2024.
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The Code Written in Timefold Outsmarted the Solution Provided by ChatGPT for Devoxx Talks Scheduling
Stephan Jansen, Java Champion and Devoxx founder, tinkered with ChatGPT to “create the perfect conference schedule”. He managed to obtain feasible results for one day but not for the whole five-day conference. Geoffrey de Smet, founder of Timefold (formerly OptaPlanner), argued that the AI Assistant fails by not being able to treat soft constraints as effectively as a specialized planning library.
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Java News Roundup: Final JEP Drafts, Payara 2024 Roadmap, TornadoVM Plugin for IntelliJ
This week's Java roundup for January 8th, 2024 features news highlighting: JEP drafts for final versions of OpenJDK features String Templates and Implicitly Declared Classes and Instance Main Methods; the Payara Platform 2024 roadmap; and a new TornadoVM plugin for IntelliJ IDEA.
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KSP2 Aims to Improve Kotlin Meta-Programming, Adds Support for the K2 Kotlin Compiler
Currently available in preview, KSP 2.0, the evolution of Kotlin Symbol Processing (KSP), introduces a new architecture aimed at resolving some limitations in KSP 1.0 and adds support for the new K2 Kotlin compiler, explain Google software engineers Ting-Yuan Huang and Jiaxiang Chen.
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JEP 447: Refining Java Constructors for Enhanced Flexibility
After its review concluded, JEP 447, Statements before super(...) (Preview), was delivered for JDK 22. This JEP, under Project Amber, proposes to allow statements that do not reference an instance being created to appear before super() calls in a constructor and preserve existing safety and initialization guarantees for constructors.