javaFX layout problems

Question

My problem is with the interface, I build the interface well, but I am maximizing the window, the design appears inconsistently and the Pane does not fill all the window, and also the elements do not fit with the change in the size of the window

Answer 1

You can set pan layout full screen you can search method for full screen or you can set values from scene builder then layout pref height and width max which
u want

Answer 2

https://www.sololearn.com/discuss/333866/?ref=app