java-simple-enum.java

// enum is private class with static final members
enum PersonType {
    Men,
    Women,
    Transgender
}

class Person {
    Person(String name, PersonType gender) {
        this.name = name;
        this.gender = gender;
    }
    String name;
    PersonType gender;
}

public class Main {
    public static void main(String[] args) {
        
        Person person = new Person("foo", PersonType.Men);
        System.out.println(String.format("person %s gender: ", person.name));
        System.out.println(person.gender);
        System.out.println("\n");
        
        
        System.out.println("Looping all values in enum");
        // get all values in enum
        PersonType[] values = PersonType.values();
        for(PersonType personType: PersonType.values()) {
            System.out.println(personType);
        }
        
    }
}