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Fast, Memory-Efficient Hash Table in Java: Borrowing the Best Ideas

The Java Ring: A Wearable Computer (1998)

Java FFM zero-copy transport using io_uring

Show HN: I audited 500 K8s pods. Java wastes ~48% RAM, Go ~18%

Show HN: GPULlama3.java Llama Compilied to PTX/OpenCL Now Integrated in Quarkus

Applets Are Officially Gone, but Java in the Browser Is Better

Java Hello World, LLVM Edition

Help, My Java Object Vanished (and the GC Is Not at Fault)

Help, My Java Object Vanished (and the GC Is Not at Fault)

TornadoVM 2.0 Brings Automatic GPU Acceleration and LLM support to Java

The TornadoVM project recently reached version 2.0, a major milestone for the open-source project that aims to provide a heterogeneous hardware runtime for Java. The project automatically accelerates Java programs on multi-core CPUs, GPUs, and FPGAs. This release is likely to be of particular interest to teams developing LLM solutions on the JVM. By Ben Evans

Java News Roundup: Spring Tools 5, TornadoVM, Payara Platform, Hibernate ORM, Spock Framework

This week's Java roundup for December 8th, 2025, features news highlighting: the release of Spring Tools 5.0; milestone releases of Spring AI and Spring Shell; the December 2025 edition of the Payara Platform; point releases of Hibernate ORM and Spock Framework; and maintenance releases of Spring Framework, Micronaut, Apache TomEE and Apache Tomcat. By Michael Redlich

Article: InfoQ Java Trends Report 2025

This report summarizes how the InfoQ Java editorial team and several Java Champions currently see the adoption of technology and emerging trends within the Java and JVM space in 2025. We focus on Java the language, as well as related languages like Kotlin and Scala, the Java Virtual Machine (JVM), and Java-based frameworks and utilities. By Michael Redlich, Erik Costlow, Karsten Silz, Trisha Gee, Marit van Dijk, Richard Fichtner, Bert Jan Schrijver

Fray Detects Concurrency Issues in JVM Languages

Carnegie Mellon University has introduced Fray, a concurrency testing tool for JVM programs to catch bugs and replay them. Written in Kotlin and based on this research paper, Fray can’t find all concurrency issues, but uses recent research in order to maximize the chances of detecting them. By Johan Janssen

Feeling a bit off-track while friends dive deep into Java & Spring — am I doing things wrong?

Who do people (especially new programmers) hate Java so much?

Do new companies still use java (or its frameworks) for backend?

Nearly 3 out of 4 Oracle Java users say they've been audited in the past 3 years

Gemini CLI, yet another terminal-based AI-assisted - Reimplementing a Zig CLI tool with GraalVM and Java using Gemini CLI

I built a CPU emulator with its own assembler in java

History of Java: evolution, legal battles with Microsoft, Mars exploration, Spring, Gradle and Maven, IDEA and Eclipse

Exhaustiveness checking in Rust, Java, PHPStan

Getting Started with Quarkus LangChain4j and Chat Model - Piotr's TechBlog

datahub-project

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datahub

The Metadata Platform for your Data and AI Stack

redisson

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redisson

Redisson - Valkey & Redis Java client. Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Over 50 Valkey and Redis based Java objects and services: Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Spring, Tomcat, Scheduler, JCache API, Hibernate, RPC, local cache..

graphhopper

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graphhopper

Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.

apache

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doris

Apache Doris is an easy-to-use, high performance and unified analytics database.

provectus

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kafka-ui

Open-Source Web UI for Apache Kafka Management

apache

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kafka

Mirror of Apache Kafka

apache

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shardingsphere

Empowering Data Intelligence with Distributed SQL for Sharding, Scalability, and Security Across All Databases.

StarRocks

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starrocks

The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRocks provides best-in-class performance for multi-dimensional analytics, real-time analytics, and ad-hoc queries. A Linux Foundation project.

WebGoat

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WebGoat

WebGoat is a deliberately insecure application