Question

The method must now ask for the customer name. If the customer is part of the loyalty program the
method must update the arrays according to this purchase. How to check the customer is already exist in the string array?

Answer 1

Fot example we have:

String[] customers;

Strung customer;

but with some value;

to check if the customer exist use following:



if (Arrays.asList(customers).contains(customer))
return true;

else retunr false;