Everyone told me I needed Python for AI. I didn't listen. Here's what happened. Let me be real with you. Every time I say "I'm building an AI agent," people assume I'm wrist-deep in Python virtual environments, pip dependencies, and a LangChain tutorial from 2023. And when I say "in Java?" — I get the look. You know the one. So I built it anyway. A fully functional AI agent. With tool use. With R
You have probably seen a file named “go.sum” in almost every Go project you have worked on. You may have even seen it change every time you run “go mod tidy”. But do you actually know what it does? It is one of those files that works silently in the background, and some developers never stop to think about it. The “go.sum” file is one of those files you never really interact with directly, but it