Java Set Create asSet(T... ts)

Description

Returns an unmodifiable set containing the given elements.

License

LGPL

Parameter

Parameter	Description
ts	the elements from which to create a set
T	the type of the element in the set

Return

an unmodifiable set containing the given elements or null in case the given element array is null .

Declaration

public static <T> Set<T> asSet(T... ts) 

Method Source Code

//package com.java2s;
/*/*from w w w  .  j ava2s  .  c o m*/
 * Hibernate OGM, Domain model persistence for NoSQL datastores
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later
 * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
 */

import java.util.Collections;

import java.util.HashSet;

import java.util.Set;

public class Main {
    /**
     * Returns an unmodifiable set containing the given elements.
     *
     * @param ts the elements from which to create a set
     * @param <T> the type of the element in the set
     * @return an unmodifiable set containing the given elements or {@code null} in case the given element array is
     * {@code null}.
     */
    public static <T> Set<T> asSet(T... ts) {
        if (ts == null) {
            return null;
        } else if (ts.length == 0) {
            return Collections.emptySet();
        } else {
            Set<T> set = new HashSet<T>(ts.length);
            Collections.addAll(set, ts);
            return Collections.unmodifiableSet(set);
        }
    }
}

Related

1. asSet(T... elements)
2. asSet(T... elements)
3. asSet(T... elements)
4. asSet(T... items)
5. asSet(T... ts)
6. asSet(T... values)
7. asSet(T... values)
8. toSet(Iterable things)
9. toSet(Iterable items)