Should someone help me with that code? Always returning 'NaN'.....

Question

https://code.sololearn.com/cfKmG8AyQL4L/?ref=app

Answer 1

oh, now i see... thanks a lot...

Answer 2

If i want user input, is the way?

Answer 3

You're instantiating the class before you give values to any of its fields.

Answer 4

https://stackoverflow.com/questions/4644415/java-how-to-get-input-from-system-console