enum set in java
EnumSet<Gfg> set1, set2, set3, set4;
// Adding elements
set1 = EnumSet.of(Gfg.QUIZ, Gfg.CONTRIBUTE,
Gfg.LEARN, Gfg.CODE);
set2 = EnumSet.complementOf(set1);
set3 = EnumSet.allOf(Gfg.class);
set4 = EnumSet.range(Gfg.CODE, Gfg.CONTRIBUTE);
System.out.println("Set 1: " + set1);
System.out.println("Set 2: " + set2);
System.out.println("Set 3: " + set3);
System.out.println("Set 4: " + set4);