Java Enum EnumSet allOf

/**
 * @author lautturi.com 
 * Java example: Create an EnumSet using allOf() in java
 */

import java.util.*;

public class Lautturi {
	enum Size {
		SMALL, MEDIUM, LARGE, EXTRALARGE
	}

	public static void main(String[] args) {

		EnumSet<Size> sizes = EnumSet.allOf(Size.class);

		System.out.println("EnumSet: " + sizes);

	}
}

output:

EnumSet: [SMALL, MEDIUM, LARGE, EXTRALARGE]