How to draw real-time data in a specific canvas area？

[glv]

@cola

but what does it mean that the data won’t sync?

@glv

Note:
Data may not be synchronized in my example.

A related topic:

Renderer faster than JavaFX 2D

Hi everyone! Is there any renderer that is faster than JavaFX 2D? Thanks in advance, MrImskiy

Reference (just one of may):

Synchronization in Java - GeeksforGeeks

:)