There's a long career ahead of you, and if you ever work at a large company, or even if your startup grows so that its backend needs to really scale, chances ar

There's a long career ahead of you, and if you ever work at a large company, or even if your startup grows so that its backend needs to really scale, chances are you will be using Java. Its combination of performance, productivity and observability is hard to beat. Many companies start off with some other platform and then adopt it as they grow.