public class enumSet { enum ALPH {M,D,F,A,E,G,W,S}; public static void main(String[] args) { // TODO Auto-generated method stub EnumSet<ALPH> all = EnumSet.allOf(ALPH.class); EnumSet<ALPH> none = EnumSet.noneOf(ALPH.class); EnumSet<ALPH> range = EnumSet.range(ALPH.A, ALPH.G); EnumSet<ALPH> some = EnumSet.of(ALPH.D,ALPH.F); //System.out.println(all+"\n"+none+"\n"+range+"\n"+some); for(ALPH a : all){ System.out.println(a); } if(all.contains(ALPH.A)){ System.out.println("sure"); } } }