The Java I / O stream full summary of all of the I / O on a map

Zoom again, pay attention to the vision! Ha ha bite to eat fat, little by little, see:

We are intellectuals, to take the map to indicate the source! ! ! ↑ the head of that box, right, is that

Using XMind soft-painting, to the source file?

Here: https: //github.com/RDNGLee/studyFile