AI can be very helpful in explaining code. Take the Refactor.java Java class and open it.

LMStudio, qwen2.5-coder, GPU

Open the file, add the entire source directory to the Prompt Context. Enter the following prompt.

/explain

This expands to the following prompt.

Break down the code in simple terms to help a junior developer grasp its functionality.

The response can be viewed here

This is a fairly good explanation of what this class is doing.