JAVA EE: Find Any and Find first methods of Java 8 streams

Tuesday, 29 August 2017

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);
    }
}