What’s wrong?

Question

https://code.sololearn.com/cZDIia4WNb3J/?ref=app

Answer 1

oh oh silent you're right,who am I kidding I'm poor at cs

Answer 2

@Brains without the initial value which used to determine the type of variable?

Answer 3

try to remove "int" here
Calculator(int)
Calculator()
also, I didn't wrote code in CS before, but seems to me that you can't declare variables with "var" and without initial value.
try to remove "var div;"

Answer 4

or use "int div;" and in Calculator "div =" instead of "var div ="

Answer 5

@Brains I wrote confused post, don't worry.

Answer 6

the problem is in public Calculator(int):
that parameter doesn't seem right to me,it has no identifier

Answer 7

edit::you defined a calculator function and in the main function you called "calc()" instead of "calculator()"

Answer 8

your variables sum,sub and div can only be used if an object of that class in created

Answer 9

silent variables can be declared with "var" in cs.var tells the system to select the variables type based on its value

Answer 10

@Brians, how can I fix it?

Answer 11

I decided to use Only Main, but it writes, that it need non-static method.