It's decided, I'm learning Java for back-end microservices and serverless.I mainly code with TypeScript using Nest.js and other back-end stuff with Node.js.Any pitfalls to avoid when learning Java ?Any outdated things not to waste time learning in today's job market ?What are most valuable Java skills today ?The Spring ecosystem seems to be the way to go (no pun intended) as far as I can see.Also planning on refreshing my Angular skills for the frontend.The goal is to specialize in a highly opinionated stack for enterprise projects (long lasting).