Java 19 shipped a month ago with a preview of Virtual Threads and Structured Concurrency thanks to Project Loom, the backing tech responsible for one of many debugging improvements in the October 2022 ...

Compare inheritance and composition, the two fundamental ways to relate Java classes, then practice debugging ClassCastExceptions in Java inheritance.

Copying objects is a common Java programming operation that has one serious trap. Here's how to avoid copying from an object reference and only copy the instance and values you want.