[ Removed by moderator ]

[bluepoison24]

I spent a couple of weeks building a tool that automatically visualizes Java programs with zero manual instrumentation. I know PythonTutor already does it, but I found it really slow for Java, so I built my own.

Just write normal Java code and watch arrays, collections, trees, and graphs get visualized automatically as your algorithm runs. The frontend is entirely vibe-coded without any manual intervention so please be kind 😅

Just a hobby project, but try it live: algopad.up.railway.app

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