2 posts
#concurrency
2021
Java Memory Model & Concurrency Cheat Sheet
A practical reference covering JVM memory internals and Java concurrency — heap structure, the Java Memory Model, thread lifecycle, synchronization primitives, executors, CompletableFuture, and the concurrency bugs that bite hardest.
Java Reactive Programming & Virtual Threads Cheat Sheet
A practical reference covering why thread-per-request breaks at scale, Reactor's Mono/Flux model, the flatMap vs concatMap distinction, backpressure, and Project Loom's virtual threads.