Java Set Create asSet(final E... elements)

Description

Creates an immutable HashSet instance containing the given elements in unspecified order.

License

Open Source License

Parameter

Parameter	Description
E	a parameter
elements	the elements that the set should contain

Return

a new HashSet containing those elements (minus duplicates)

Declaration

public static <E> Set asSet(final E... elements) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.util.Collections;
import java.util.HashSet;
import java.util.Set;

public class Main {
    /**//from  w  w  w .  j  a v a  2  s  . c om
     * Creates an <i>immutable</i> {@code HashSet} instance containing the given
     * elements in unspecified order.
     *
     * @param <E>
     * @param elements the elements that the set should contain
     * @return a new {@code HashSet} containing those elements (minus
     * duplicates)
     */
    public static <E> Set asSet(final E... elements) {
        if (elements == null) {
            return new HashSet<>(0);
        }
        final Set<E> set = new HashSet<>(elements.length);
        Collections.addAll(set, elements);
        return Collections.unmodifiableSet(set);
    }
}

Related

1. asSet(Collection c)
2. asSet(Collection c)
3. asSet(Collection c)
4. asSet(E... elements)
5. asSet(E... pEntities)
6. asSet(final T t, final T... ts)
7. asSet(final T... array)
8. asSet(int... values)
9. asSet(Iterable iteratable)