IntelliJ IDEA 2025.3.4 fully supports Java 26

JetBrains offers many new features for Java in its IntelliJ development environment and the Koog agent framework.
IEEE

Large Language Model Based Code Completion is an Effective Genetic Improvement Mutation

Abstract: In this work, we introduce a novel large language model (LLM)-based masking mutation operator for Genetic Improvement (GI), which leverages code completion capabilities of large language ...

Development Environment: Eclipse IDE 2026-03 enhances Java refactoring

The quarterly release of Eclipse IDE 2026-03 brings some new features alongside bug fixes, such as the Java refactoring function "Convert Class to Record".
IEEE

RLCoder: Reinforcement Learning for Repository-Level Code Completion

Abstract: Repository-level code completion aims to generate code for unfinished code snippets within the context of a specified repository. Existing approaches mainly rely on retrievalaugmented ...