JAVA

Java Insert Elements to EnumSet

import java.util.EnumSet;
class Main {

    enum Size {
        SMALL, MEDIUM, LARGE, EXTRALARGE
    }
    public static void main(String[] args) {
        // Creating an EnumSet using allOf()
        EnumSet<Size> sizes1 = EnumSet.allOf(Size.class);
        // Creating an EnumSet using noneOf()
        EnumSet<Size> sizes2 = EnumSet.noneOf(Size.class);
        // Using add method
        sizes2.add(Size.MEDIUM);
        System.out.println("EnumSet Using add(): " + sizes2);
        // Using addAll() method
        sizes2.addAll(sizes1);
        System.out.println("EnumSet Using addAll(): " + sizes2);
    }
}