EnumExample.java

public class EnumExample {
    public static void main(String []args){
        testGender(Gender.FEMALE);
        testGender(Gender.MALE);
    }
    
    public static void testGender(Gender gender) {
        switch(gender) {
            case FEMALE:
                System.out.println("Female");
            break;
            case MALE:
                System.out.println("Male");
            break;
        }
    }
} 

enum Gender {
  MALE,
  FEMALE
}