Java entfernen Enumset -Elemente

import java.util.EnumSet;
class Main {

    enum Size {
        SMALL, MEDIUM, LARGE, EXTRALARGE
    }
    public static void main(String[] args) {
        // Creating EnumSet using allOf()
        EnumSet<Size> sizes = EnumSet.allOf(Size.class);
        System.out.println("EnumSet: " + sizes);
        // Using remove()
        boolean value1 = sizes.remove(Size.MEDIUM);
        System.out.println("Is MEDIUM removed? " + value1);

        // Using removeAll()
        boolean value2 = sizes.removeAll(sizes);
        System.out.println("Are all elements removed? " + value2);
    }
}
SAMER SAEID