Inside Java

Episode 66 “JSON API, Valhalla Progress, LTS ❤️ PQC” [IJN]

2026-08-15T00:00:00Z

Work on values progresses, JSON API incubation proposed to target 28, PQC in LTS, and more

Preparing for Change: Safe Switching over Sealed APIs

2026-08-14T00:00:00Z

An exhaustive switch on a sealed type covers the permitted subtypes the compiler knows about; it does not cover future additions, which can cause MatchException at run time. API authors should document the expected evolution of sealed types so that client code can choose how to handle future additions. It is almost never necessary to use default when switching over a sealed type—and often not the best option.

Evolving a Java MCP Server During MCP Specification Upgrades

2026-08-12T00:00:00Z

Learn how a Java MCP server can embrace the latest MCP specification without breaking existing integrations or forcing immediate client upgrades.

The Power of JDK Flight Recorder: Efficient Profiling and Troubleshooting for Java Applications

2026-08-11T00:00:00Z

Take a guided tour of the JDK Flight Recorder, the powerful event recording framework for the JVM. We'll cover the basics for getting started, show how to capture and analyze rich telemetry data, and demonstrate real-world workflows for investigating performance, memory leaks, threading issues, and more.

Post-Quantum Cryptography in Long-Term Support JDK Releases

2026-08-07T00:00:00Z

Oracle is executing on a strategy to make post-quantum cryptography (PQC) broadly available across the Java ecosystem with a roadmap that brings standardized PQC algorithms and PQC-enabled TLS to current Long-Term Support (LTS) releases, helping reduce adoption friction for developers and enterprises.

Episode 65 “Embracing Virtual Threads with Helidon” [I/O]

2026-08-06T00:00:00Z

How Helidon 4.4 embraces virtual threads, ahoead-of-time computation, and OpenJDK

Oracle Java Platform Extension for Visual Studio Code - Version 26.0.1 Is Now Available

2026-08-05T00:00:00Z

New release of the Java Platform Extension for VS Code

Transitioning Java to More Frequent Security Updates

2026-07-31T00:00:00Z

Oracle intends to provide Java security updates more frequently than the current quarterly CPU cadence of January, April, July, and October.

Episode 64 “JIT Compiler From the Ground Up” [AtA]

2026-07-30T00:00:00Z

An introduction to key concepts of just-in-time compilation: speculation and traps, inlining and constant folding, escape analysis and scalar replacement, and more

Under the HAT: Empowering GPU Acceleration for Java

2026-07-30T00:00:00Z

Explore the latest work on the HotSpot JVM, with a focus on auto-vectorization and the Vector API.