Java Stream Operation cat(Stream... streams)

Description

Concatenate an array of streams into one stream.

License

Apache License

Parameter

Parameter	Description
streams	The streams to concatenate
T	The type of the stream elements

Return

A stream of all the individual streams

Declaration

@SafeVarargs
public static <T> Stream<T> cat(Stream<T>... streams) 

Method Source Code

//package com.java2s;
/*-/*w  w  w  .  j  a v a2s .  c om*/
 * -\-\-
 * Spotify Styx Common
 * --
 * Copyright (C) 2016 Spotify AB
 * --
 * 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.
 * -/-/-
 */

import java.util.Arrays;
import java.util.stream.Stream;

public class Main {
    /**
     * Concatenate an array of streams into one stream.
     *
     * @param streams  The streams to concatenate
     * @param <T>      The type of the stream elements
     * @return A stream of all the individual streams
     */
    @SafeVarargs
    public static <T> Stream<T> cat(Stream<T>... streams) {
        return Arrays.stream(streams).reduce(Stream.empty(), Stream::concat);
    }
}

Related

1. arrayWrap(final Stream stream)
2. asList(Stream stream)
3. buildInvalidArgsError(Stream