Answer to Question #5720 in Java | JSP | JSF for Zhang Hui
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?
Fot example we have:
but with some value;
to check if the customer exist use following:
if (Arrays.asList(customers).contains(customer)) return true;