Given the following code fragment which finds a customer by their ID:

private LinkedList customers;

private Customer customer$($int id$)\{$

if $()$

return customer;

return null; $\}$

which code fragment replaces if we follow OO design principles?

Group of answer choices

customer.getId$().$equals$($id$)$

customer.getId$()==$ id

customer.id $==$ id

customer.hasId$($id$)$

customer.id$()==$ id