Java question If the user wants to enter one character what statement you use?

1- next()?

2-next(0)?

3-CharAt(0).

4-next().charAt(0).

What’s resistance in an electrical circuit ?

Donna and her team of five have invented a new gadget for the science exhibition in their college. which intellectual property right will protect their invention?

2. fabulously fit offers memberships for$35 per month plus a $50 enrollmentfee. the fitness studio offersmemberships for $40 per month plus a$35 enrollment fee. in how many monthswill the fitness clubs cost the same? what will the cost be?