gets the customer 's phone number . concode_field_sep String phoneNumber concode_elem_sep Address streetAddress concode_elem_sep String name concode_elem_sep int customerId concode_elem_sep Database<Customer> _customerDatabase concode_field_sep void setName concode_elem_sep int getKey concode_elem_sep String getName concode_elem_sep ArrayList<Order> getPastOrders concode_elem_sep int compareTo concode_elem_sep boolean matchesSearch concode_elem_sep boolean isValidPhoneNumber concode_elem_sep int getCustomerId concode_elem_sep Database<Customer> getDb concode_elem_sep void setPhoneNumber concode_elem_sep void setStreetAddress concode_elem_sep String getFormattedPhoneNumber concode_elem_sep void setCustomerId concode_elem_sep Address getStreetAddress
String function ( ) { return phoneNumber ; }