Whatever that means? (Just the Code line) JavaFX has book

Hi guys!
IM I learn a lot with this book and the forum. But even once, I need your help
What this line below means?
*Modality m = modality ? Modality.APPLICATION_MODAL : Modality.NONE;*
Also, I want to know, please, what this also means:
initOwner(owner);
Thanks for your help!

Learned to love the oracle and this forum and ppl in this forum

Terms as a step specifies what steps will receive events. APPLICATION_MODAL would mean that no other stadiums receive events except the one you are creating now. NONE would mean that everyone can still receive events. This is used when you want to block the other entrance and ask the user something they must answer before proceeding.

initOwner (owner) defines the 'parent' of a new stage. This means that the new stage belongs to another step and should not be a top-level window (you will not get another task bar button). It is also important for modality type WINDOW_MODAL which causes the entry to be blocked to the owner (and its owner in turn if necessary), but not in the other stages of higher level, you might have opened.

Tags: Java

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