Monday, 28 August 2017

Terminal operations[collect summingint] in Java 8 Stream | Streams in Java 8


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https://www.youtube.com/watch?v=rJBvRaNF5io&list=UUhwKlOVR041tngjerWxVccw

StreamCollectDemo.java
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

public class StreamCollectDemo
{
    public static void main(String[] args)
    {
        List<Integer> list = Arrays.asList(5, 5, 10);
        /*
         * It performs mutable reduction operation with java 8
         * Collector.
         */
        int sum = list.stream().collect(Collectors.summingInt(i -> i));
        System.out.println("Sum: " + sum);
    }
}
Output
Sum: 20

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

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

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

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