Monday, 28 August 2017

How to find the distinct count using Java 8 Stream | Streams in Java 8


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StreamDistinctDemo.java
import java.util.Arrays;
import java.util.List;

public class StreamDistinctDemo
{
    public static void main(String[] args)
    {
        List<Integer> list = Arrays.asList(3, 4, 4, 6, 6, 4);

        /*
         * Stream.distinct() 
         * 
         * It returns stream with distinct elements.
         */
        System.out.println("Distinct Count: "
                + list.stream().distinct().count());
    }
}
Output
Distinct Count: 3

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

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

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

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