IntelliJ IDEA

The simplest tools are often the most useful, and debugging is a prime example of this. There are many advanced debugging techniques, and while they all have their use cases, println debugging is still the #1 choice, whether you're doing it manually or with the help of coding agents. Inser…

Still hand-writing JPA entities from an existing database? Hibernate or IntelliJ IDEA can generate JPA entities in seconds from an existing database schema? Want to compare their features, check out this article.

Language Server Protocol (LSP) solves a real problem: before, each IDE or editor had to implement support for a specific language separately. A language server puts that work in one place and exposes it through a common protocol, providing completion, formatting, documentation, and related features.…

Agent Skills is a new initiative that solves both problems by managing context progressively and extending AI agent capabilities on demand.

Java 26 was released on March 17, 2026. At JetBrains, we are committed to supporting the latest technologies in IntelliJ IDEA and adding useful enhancements for both stable and preview features. In this blog post, we will give you an overview of what Java 26 delivers and how it is supported in IntelliJ IDEA.

As applications grow in complexity, maintaining a clean architecture becomes increasingly challenging. The traditional package-by-layer approach of organizing code into controllers, services, repositories, and entities packages often leads to tightly coupled code that's hard to maintain and evolve. …

In this article, you will learn how to use Spring Data JDBC by leveraging IntelliJ IDEA's powerful features and become more productive in your development process.

You’re invited to IntelliJ IDEA Conf 2026 – a free online conference for developers working across the JVM ecosystem.

If you’ve been keeping up with Java virtual threads, you already know that this hot new feature significantly improves hardware utilization for parallel I/O-bound operations. Virtual threads map multiple concurrent I/O operations to a single OS thread without blocking. The novel aspect of this appr…

The Islands theme is now the default look across JetBrains IDEs starting with version 2025.3.This update is more than a visual refresh. It’s our commitment to creating a soft, balanced environment designed to support focus and comfort throughout your workflow. We began introducing …

As we approach the release of IntelliJ IDEA 2025.3, we would like to share key information about changes that may impact your plugin development process. This post addresses common questions from the developer community and provides guidance on maintaining compatibility with the latest IntelliJ Plat…

In Part 1 of this series, we introduced some of the Java community’s most recognized open-source projects. Now, we’re back with more standouts: projects that speed up builds, strengthen testing, and simplify working with modern web stacks. And as always, IntelliJ IDEA helps maintainers move faster, …