wrongOptionalUse

wrongOptionalUse.java

    static class Customer {
        private final String firstName;
        private final String surname;
        private final Optional<Integer> age;
        private final Optional<String> address;
        private final Optional<String> phoneNumber;
        private final Optional<Sex> sex;


        public Customer(String firstName, String surname, Optional<Integer> age, Optional<String> address, Optional<String> phoneNumber, Optional<Sex> sex) {
            this.firstName = firstName;
            this.surname = surname;
            this.age = age;
            this.address = address;
            this.phoneNumber = phoneNumber;
            this.sex = sex;
        }

        public String getFirstName() {
            return firstName;
        }

        public String getSurname() {
            return surname;
        }

        public Optional<Integer> getAge() {
            return age;
        }

        public Optional<String> getAddress() {
            return address;
        }

        public Optional<String> getPhoneNumber() {
            return phoneNumber;
        }

        public Optional<Sex> getSex() {
            return sex;
        }
    }
    
    static enum Sex {
        FEMALE,
        MALE
    }