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Hello, I’m learning Java and there are some classes that ask for swing and javafx, until then ok. But on the teacher’s screen, videos on Youtube that I saw, they add a button for example, and manage to change their size, move... all with the mouse by clicking on the little arrows that is around the "block".
But in mine it won’t, when I try it gets stuck with this message "R x 1C" if someone can say what it is and what settings do thank you. Aside from that when I put more components will appear this dashed line delimiting the space that I can move what I just put...
ps* in javafx of the msm problem, I can’t quit resizing things tbm.
