I am learning to program with the java language and I am already using the JFrame and I would like to know how to click on a button to put another JFrame in front and not let me return to the First Jframe until I press the button of the second JFrame
You can use a JDialog instead of a JFrame .
and you call it in the following way
MiJDialog midialog = new MiJDialog(**this**,true)
midialog .setVisible(true);
With this you guarantee that the JFrame can not be used until the Dialog is not closed