This tests the behaviour of the method JRootPane.setDefaultButton() in
different platforms with different LAFs.
As per the spec
https://docs.oracle.com/en/java/javase/17/docs/api/java.desktop/javax/swing/JRootPane.html#setDefaultButton(javax.swing.JButton),
"The default button is the button whic
> This tests the behaviour of the method JRootPane.setDefaultButton() in
> different platforms with different LAFs.
> As per the spec
> https://docs.oracle.com/en/java/javase/17/docs/api/java.desktop/javax/swing/JRootPane.html#setDefaultButton(javax.swing.JButton),
> "The default button is the b
> This tests the behaviour of the method JRootPane.setDefaultButton() in
> different platforms with different LAFs.
> As per the spec
> https://docs.oracle.com/en/java/javase/17/docs/api/java.desktop/javax/swing/JRootPane.html#setDefaultButton(javax.swing.JButton),
> "The default button is the b