Click here to watch in Youtube :
https://www.youtube.com/watch?v=22Ypxfqs0ZI&list=UUhwKlOVR041tngjerWxVccw
StreamDemo.java
https://sites.google.com/site/ramj2eev1/home/javabasics/StreamDemo_reduction_sca_App.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/StreamDemo_reduction_sca_App
Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/ed01c4e942c222c96b1953312e7a54d5a8556409/BasicJava/StreamDemo_reduction_sca_App/?at=master
See also:
All JavaEE Viedos Playlist
All JavaEE Viedos
All JAVA EE Links
Servlets Tutorial
All Design Patterns Links
JDBC Tutorial
Java Collection Framework Tutorial
JAVA Tutorial
Kids Tutorial
https://www.youtube.com/watch?v=22Ypxfqs0ZI&list=UUhwKlOVR041tngjerWxVccw
StreamDemo.java
import java.util.Arrays; import java.util.OptionalDouble; /** * * A reduction operation is one which allows you to compute a result * using all the elements present in a stream. * * Reduction operations are also called terminal operations because * they are always present at the end of a chain of Stream methods * * Java 8 includes several reduction methods, such as sum, average and * count, which allow to perform arithmetic operations on Stream * objects and get numbers as results. */ public class StreamDemo { public static void main(String[] args) { int[] numberArray = { 2, 6, 8 }; int sum = Arrays.stream(numberArray).sum(); System.out.println("sum = " + sum); long count = Arrays.stream(numberArray).count(); System.out.println("count = " + count); OptionalDouble optionalDouble = Arrays.stream(numberArray).average(); System.out.println("average = " + optionalDouble.getAsDouble()); } }Output
sum = 16 count = 3 average = 5.333333333333333Click the below link to download the code:
https://sites.google.com/site/ramj2eev1/home/javabasics/StreamDemo_reduction_sca_App.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/StreamDemo_reduction_sca_App
Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/ed01c4e942c222c96b1953312e7a54d5a8556409/BasicJava/StreamDemo_reduction_sca_App/?at=master
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