Help me with object and method

Question

Hi, i'm new in c# and now i'm lost. I don't know how to call an object which is from another method but in the same class, here the codes but i cropped because it's too long.
https://code.sololearn.com/cP4ynC3tsOAK/?ref=app

Answer 1

I would change input():

public static Headphone input(){
//read input
return new Headphone(a,b,c,d);
}

Inside main:

Headphone hea = input();
now you can call info():
hea.info();

Answer 2

Thank you, it worked