Monday, 28 August 2017

How to do Stream concatenation in Java 8 Stream | Streams in Java 8


Click here to watch in Youtube :
https://www.youtube.com/watch?v=jMyyr-4FK5w&list=UUhwKlOVR041tngjerWxVccw

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

public class StreamConcatDemo
{
    public static void main(String[] args)
    {
        List<Integer> list1 = Arrays.asList(1, 2, 3);
        List<Integer> list2 = Arrays.asList(4, 5, 6);

        /*
         * It creates a lazily concatenated stream including all the
         * elements of first stream and followed by next stream.
         */
        Stream<Integer> concatenatedStream = Stream.concat(list1.stream(),list2.stream());
        concatenatedStream.forEach(s -> System.out.print(s + " "));
    }
}
Output
1 2 3 4 5 6 
Click the below link to download the code:
https://sites.google.com/site/ramj2eev1/home/javabasics/StreamDemo_Stream_Concat_App.zip?attredirects=0&d=1

Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/StreamDemo_Stream_Concat_App

Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/07d37f967453de17efa70af5825dc03ae2d5a7c0/BasicJava/StreamDemo_Stream_Concat_App/?at=master

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