import java.util.*;
public class AllOf {
public enum Country{
India,
Russia,
China,
USA,
UAE;
}
public static void main(String[] args)
{
EnumSet<Country> set = null;
set = EnumSet.allOf(Country.class);
System.out.println("allOf() : "+set);
set = EnumSet.of(Country.Russia);
System.out.println("of(E e) : "+set);
set = EnumSet.of(Country.Russia, Country.USA);
System.out.println("of(E e1, E e2) : "+set);
set = EnumSet.of(Country.Russia, Country.USA, Country.India, Country.UAE);
System.out.println("of(E e1, E e2, ..., E en) : "+set);
}
}
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