JetBrains Courses

Troubleshooting Spring Boot Applications with the Spring Debugger

Master debugging Spring Boot applications using IntelliJ IDEA's Spring Debugger to uncover hidden issues, fix configuration problems, and resolve complex bugs through live examples.

• YouTube
• 1 hour 4 minutes
• Self-Paced
• Free Video

Null Safety in Spring Applications With JSpecify and NullAway

Discover how JSpecify annotations prevent NullPointerExceptions at compile time in Java and Spring applications, making code safer and more reliable for production use.

• YouTube
• 1 hour
• Self-Paced
• Free Video

From Zero to Hero - Java on Azure Integration With IntelliJ IDEA

Master Java-Azure integration through live coding with IntelliJ IDEA, covering database connections, performance monitoring, and real-time log streaming for cloud development.

• YouTube
• 59 minutes
• Self-Paced
• Free Video

Bootiful IntelliJ IDEA - Spring Boot Development with Advanced IDE Features

Discover how IntelliJ IDEA and Spring Boot work together to accelerate Java development, featuring expert tips from Josh Long and Aleksey Stukalov to boost productivity.

• YouTube
• 58 minutes
• Self-Paced
• Free Video

Sudo, Make Me a Sandwich! - Live Coding With Agentic AI in IntelliJ IDEA

Explore agentic AI coding with JetBrains Junie through live demonstrations of feature implementation, bug fixes, and test writing in IntelliJ IDEA to understand AI-driven development workflows.

• YouTube
• 1 hour 1 minute
• Self-Paced
• Free Video

Next-Level Features of LangChain4j for Production-Ready AI Applications

Explore advanced LangChain4j features for production AI apps: moderation tools, multi-LLM integration, evaluation methods, model selection, privacy, observability, and RAG techniques.

• YouTube
• 1 hour
• Self-Paced
• Free Video

OOP vs. DOP - Which One to Choose?

Explore when object-oriented programming fits versus data-oriented programming in Java, learning to choose the right paradigm and mix both approaches effectively.

• YouTube
• 1 hour 1 minute
• Self-Paced
• Free Video

What's New in IntelliJ IDEA 2025.2

Discover IntelliJ IDEA 2025.2's latest features including AI updates, Java 25 support, enhanced Spring debugging, Kotlin improvements, Maven 4 compatibility, and unified distribution.

• YouTube
• 1 hour 16 minutes
• Self-Paced
• Free Video

Hacking and Securing AI Systems - Playing With Fire and Controlling the Flare of AI

Explore AI vulnerabilities through hands-on exploitation demos, then master defensive strategies including prompt strengthening, guardrails, and red team exercises to secure AI systems.

• YouTube
• 1 hour
• Self-Paced
• Free Video

Lightning-Fast Python - Mastering the uv Package Manager

Discover uv, the revolutionary Rust-based Python package manager that's 10-100x faster than pip, with live demos and practical migration strategies for modern development.

• YouTube
• 58 minutes
• Self-Paced
• Free Video

Spring JdbcClient: A Better Alternative to JdbcTemplate

Explore Spring 6.1's new JdbcClient API, a fluent wrapper for JdbcTemplate, and learn how to implement and test CRUD operations for more efficient database interactions.

• YouTube
• 14 minutes
• Self-Paced
• Free Video

Unleash the Power of Git with IntelliJ IDEA Version Control Tools

Discover IntelliJ IDEA's powerful Git UI tools beyond basic commands - learn to rebase, merge, cherry-pick, view history, reset, and manage conflicts with ease, eliminating the need for command line operations.

• YouTube
• 1 hour 1 minute
• Self-Paced
• Free Video

Hibernate - Myths and Over-Engineering: ORMs vs SQL vs Hexagonal Architecture

Discover pragmatic persistence strategies with Hibernate's creator, covering ORM myths, SQL vs repositories, inheritance mapping, Jakarta Data, and handling legacy schemas effectively.

• YouTube
• 1 hour 43 minutes
• Self-Paced
• Free Video

Flyway - From Open Source Side Project to Multimillion Exit

Discover how Axel Fontaine built Flyway from a side project into a multimillion-dollar database migration tool, covering open source strategy, monetization, burnout, and acquisition.

• YouTube
• 2 hours 14 minutes
• Self-Paced
• Free Video

Java Enable Preview - Vector API

Explore Java's Vector API preview to maximize computation speed using SIMD techniques, covering setup, species, lanes, masking strategies, and performance comparisons.

• YouTube
• 1 hour 12 minutes
• Self-Paced
• Free Video