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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

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Most-watched conference talks in Java, Rust, Go, JS, Python, Kotlin & C++ of 2025 (so far)

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

google

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libphonenumber

Google's common Java, C++ and JavaScript library for parsing, formatting, and validating international phone numbers.

PaperMC

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Paper

The most widely used, high performance Minecraft server that aims to fix gameplay and mechanics inconsistencies

aws

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aws-sdk-java-v2

The official AWS SDK for Java - Version 2

iluwatar

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java-design-patterns

Design patterns implemented in Java