EnumSet clear() in Java

clear(): This method is available in java.util.EnumSet class of Java.

Syntax:

void java.util.AbstractCollection.clear()

This method removes all of the elements from this collection. The collection will be empty after this method returns.

Parameters: NA

Returns: NA

Throws:

UnsupportedOperationException - if the clear operation is not supported by this collection.

Approach

Java

import java.util.EnumSet;

public class EnumSetclear {
    public enum Colour {
        RED, GREEN, YELLOW, ORANGE
    };

    public static void main(String[] args) {

        EnumSet<Colour> enumSet = EnumSet.allOf(Colour.class);

        enumSet.clear();

        System.out.println(enumSet);

    }
}

Output:

[]