Tuesday 29 August 2017

Find Any and Find first methods of Java 8 streams | Streams in Java 8


Click here to watch in Youtube : 
https://www.youtube.com/watch?v=b-u1BDj-aMQ&list=UUhwKlOVR041tngjerWxVccw

StreamFindDemo.java
import java.util.Arrays;
import java.util.List;

public class StreamFindDemo
{
    public static void main(String[] args)
    {
        List<String> list = Arrays.asList("G", "B", "F", "E");

        /*
         * findAny():
         * 
         * Returns:an Optional describing some element of this stream,
         * or an empty Optional if the stream is empty
         */
        String any = list.stream().findAny().get();
        System.out.println("FindAny: " + any);

        /*
         * findFirst():
         * 
         * Returns:an Optional describing the first element of this
         * stream, or an empty Optional if the stream is empty
         */
        String first = list.stream().findFirst().get();
        System.out.println("FindFirst: " + first);
    }
}
Output
FindAny: G
FindFirst: G

Click the below link to download the code:
https://sites.google.com/site/ramj2eev1/home/javabasics/StreamDemo_find_App.zip?attredirects=0&d=1

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

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

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