How to write CompletableFuture and its Quirks

Great video from Grzegorz Piwowarek

CompletableFuture revolutionised asynchronous processing in Java. Unfortunately, it’s full of quirks, traps, and surprises… during this live coding session, we’ll have a look at things like: thread pools backing task execution, exception propagation, cancellations, and unintuitive methods from the public API.