Java Collection Tutorial - Java EnumSet.allOf(Class <E> elementType)

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Syntax

EnumSet.allOf(Class <E> elementType) has the following syntax.

public static <E extends Enum<E>> EnumSet<E> allOf(Class <E> elementType)

Example

In the following code shows how to use EnumSet.allOf(Class <E> elementType) method.

//from w  ww  . j ava  2  s  .c  o  m

import java.util.EnumSet;
   
enum Numbers {

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

   public static void main(String[] args) {

      // create an empty EnumSet 
      EnumSet<Numbers>  set = null;


      System.out.println(set);

      // create the set by getting all elements from Numbers
      set = EnumSet.allOf(Numbers.class);

      // print the updated set
      System.out.println(set);

   }
}

The code above generates the following result.

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