JAVA EE: How to convert Stream to List using collect method of Java 8 Stream

Thursday, 10 August 2017

Click here to watch in Youtube :
https://www.youtube.com/watch?v=Fgprr6-LR7o&index=24&list=UUhwKlOVR041tngjerWxVccw

StreamDemo.java

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import 
java.util.stream.Stream;

/**
 * 
 * Convert Stream to List using stream.collect(Collectors.toList())
 *
 */
public class StreamDemo
{
    public static void main(String[] args)
    {
        List<Integer> list = new ArrayList<Integer>();
        for (int i = 1; i < 20; i++)
        {
            list.add(i);
        }
        Stream<Integer> stream = list.stream();

        List<Integer> evenNumbersList = stream.filter(i -> i % 2 == 0)
                                              .collect(Collectors.toList());

        System.out.print(evenNumbersList);
    }
}