Project Jigsaw - Under the Hood

Dive deep into the intricacies of Project Jigsaw and the Java Platform Module System in this comprehensive Devoxx conference talk. Explore key concepts such as readability, observability, visibility, and accessibility, and understand their roles in the modular Java ecosystem. Discover the significance of the unnamed module and its importance in the new architecture. Learn about the changes to the platform's built-in class loaders and how to load multiple versions of a module simultaneously. Gain insights into module declarations, class loading mechanisms, core reflection, and the Java SE module graph. Examine practical examples, including the DOM API, and understand challenges like split packages and duplicate classes. Conclude with a thorough overview of layers and their implications for Java development.