Java Stream Operation isEmpty(final Stream stream)

Description

Checks whether the given stream is empty.

License

Apache License

Parameter

Parameter	Description
stream	The stream to check.

Return

Whether the stream is empty or not.

Declaration

public static <T> boolean isEmpty(final Stream<T> stream) 

Method Source Code

//package com.java2s;
/*/* w  ww.j a va  2 s.  c  om*/
 * #%L
 * BH2K Portal Data API
 * %%
 * Copyright (C) 2015 - 2016 Blockhaus2000
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

import java.util.stream.Stream;

public class Main {
    /**
     * Checks whether the given stream is empty.
     *
     * @param stream
     *            The stream to check.
     * @return Whether the stream is empty or not.
     */
    public static <T> boolean isEmpty(final Stream<T> stream) {
        return stream.count() <= 0;
    }
}

Related

1. getOSIllegalCharacterStream(String path)
2. getStream(Iterable iterable)
3. getStringStreamFromArray(String... ids)
4. infiniteParallelStream()
5. interleave(Stream a, Stream b)
6. isFinite(Stream stream)
7. iterableOf(Stream stream)
8. iteratorToFiniteStream(Iterator iterator, boolean parallel)
9. iteratorToStream(final Iterator iterator)