Java EnumSet.copyOf(EnumSet <E> s)

Syntax

EnumSet.copyOf(EnumSet <E> s) has the following syntax.

public static <E extends Enum <E>> EnumSet <E> copyOf(EnumSet <E> s)

Example

In the following code shows how to use EnumSet.copyOf(EnumSet <E> s) method.


/*from w ww .j av  a  2  s .  co  m*/

import java.util.EnumSet;
   
enum Numbers {

   ONE, TWO, THREE, FOUR, FIVE
};
public class Main {

   public static void main(String[] args) {

      EnumSet<Numbers>  set1 = EnumSet.allOf(Numbers.class);

      System.out.println("Set1:" + set1);

      // create a second set which is a copy of set1
      EnumSet<Numbers>  set2 = EnumSet.copyOf(set1);

      System.out.println("Set2:" + set2);

   }
}

The code above generates the following result.