Area of hyperbolic function
x
2
−
y
2
=
r
2
x
for total period of
2∗π
2
[on hold]I found area is
2∗π∗
r
2
2
please find right answer
2
−
y
2
=
r
2
x
for total period of
2∗π
2
[on hold]I found area is
2∗π∗
r
2
2
please find right answer
Unable to construct Application instance [duplicate]
This question already has an answer here: Unable to construct javafx.application.Application instance 1 answer I am trying to launch in my public class an application defined in another class, earning the "Unable to construct Application instance"-Exception.The example (below) is quite minimalistic. What am I missing?---Clues would be very much appreciated. This question is different than the question Unable to construct javafx.application.Application instance as I would like to have the definition of an application and its launch in separate classes. import javafx.application.Application; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.stage.Stage; public class Main { public static void main(String[] args) { Application.launch(OKButton.class, args); } } class OKButton extends Application { @Override public void start(Stage stage) { ...
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