Java Courses

Evolving Clojure with Virtual Threads

Explore how Clojure's core.async evolves with Java virtual threads, maintaining CSP concurrency semantics while leveraging new implementation strategies for better performance.

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

From JDK 21 to JDK 25 - Java Performance Update 2025

Explore 13 concrete performance improvements from JDK 21 to JDK 25, including the new Stable Value preview feature and optimization strategies for faster Java applications.

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

Structured Concurrency in Action

Explore Java 25's structured concurrency API through practical examples, error handling, cancellation, thread relationships, and refactoring from reactive approaches.

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

Assembling Project Leyden - AOT Features and Cache Creation

Dive into Project Leyden's AOT features, exploring AOTCache creation, JDK 24/25 building blocks, future pipeline developments, and surprising team learnings from Oracle's runtime architect.

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

Integrity by Default - Java Platform Security and Robustness Vision

Explore Java's evolution toward robust abstractions and guaranteed invariants, enhancing performance, portability, and security through selective library access controls.

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

Symbolic Modeling and Transformation of Java Code

Explore Project Babylon's code reflection capabilities, learning to symbolically model and transform Java code with practical demonstrations of advantages and limitations.

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

Beyond the Vector API - A Quest for a Lower Level API

Explore how Java's Vector API evolved and discover a novel hardware intrinsics API that provides direct access to machine code instructions for enhanced performance.

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

From Cowboy Mode to Careful Stewardship - Inside Java Podcast 41

Explore Java's 30-year evolution from rapid feature development to careful platform stewardship with Chief Architect Mark Reinhold discussing breaking changes, encapsulation, and integrity.

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

Writing GPU-Ready AI Models in Pure Java with Babylon

Discover how to build and run AI models directly in Java using Project Babylon, eliminating Python dependencies while leveraging GPU acceleration for high-performance computing.

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

Off-CPU Profiling and Latency Diagnostics in Java

Discover advanced techniques for diagnosing Java application latency by profiling off-CPU time including I/O waits, scheduling delays, and contention beyond traditional CPU profiling.

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

Java 26 Warns of Deep Reflection - Inside Java Newscast #101

Discover Java 26's new warnings for final field mutation through reflection and learn migration strategies to maintain code integrity and performance.

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

All Features in Java 26 - Inside Java Newscast #102

Explore Java 26's new features including HTTP/3 support, G1 performance improvements, AOT caching, final field mutation controls, and preview enhancements in this 11-minute overview.

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

The Static Dynamic JVM - A Many Layered Dive

Explore how the JVM balances static analysis with dynamic execution through theoretical concepts and real-world optimization techniques with Oracle's John Rose.

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

Level Up Your LangChain4j Apps for Production

Master advanced LangChain4j techniques for production-ready AI systems, covering RAG methods, tool calling, agentic workflows, and operational considerations.

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

Pattern Matching Under the Microscope - Java Language Safety and Expressiveness

Explore Java's pattern matching evolution with JEP 507, examining exhaustiveness, unconditionality, and safe cast conversions across all types for safer, more expressive code.

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