package enumerations;
import java.util.EnumSet;

enum FieldModifiers {STATIC, FINAL, VOLATILE, TRANSIENT};

public class EnumSetExample {

  
  public static void main(String[] args) {
    
    // Create empty FieldModifiers-Set:
    EnumSet<FieldModifiers> mods = EnumSet.noneOf(FieldModifiers.class); 
    mods.add(FieldModifiers.FINAL);
    mods.add(FieldModifiers.STATIC);
    System.out.println("Actual Set:");
    for (FieldModifiers m: mods) {
      System.out.println("   "+m.name());
    }
    EnumSet<FieldModifiers> complement = EnumSet.complementOf(mods);
    System.out.println("Complement:");
    for (FieldModifiers m: complement) {
      System.out.println("   "+m);
    }
  }

}

/* Session-Log:

Actual Set:
   STATIC
   FINAL
Complement:
   VOLATILE
   TRANSIENT

*/