Click here to watch in Youtube :
https://www.youtube.com/watch?v=gFu3TJhog7E&list=UUhwKlOVR041tngjerWxVccw
Click the below Image to Enlarge
How to convert List to stream and Array to Stream | Java 8 streams | Streams in Java 8 |
import java.util.ArrayList; import java.util.List; import java.util.stream.Stream; public class StreamDemo1 { public static void main(String[] args) { // Create an ArrayList List<Integer> numberList = new ArrayList<Integer>(); numberList.add(1); numberList.add(5); numberList.add(8); // Convert it into a Stream Stream<Integer> stream = numberList.stream(); System.out.println(stream); System.out.println("Count = "+stream.count()); } }Output
java.util.stream.ReferencePipeline$Head@6d06d69c Count = 3StreamDemo2.java
import java.util.Arrays; import java.util.stream.Stream; public class StreamDemo2 { public static void main(String[] args) { // Create an array Integer[] numberArray ={ 1, 5, 8, 10 }; // Convert it into a Stream Stream<Integer> stream = Arrays.stream(numberArray); System.out.println(stream); System.out.println("Count = "+stream.count()); } }Output
java.util.stream.ReferencePipeline$Head@6d06d69c Count = 4Click the below link to download the code:
https://sites.google.com/site/ramj2eev1/home/javabasics/StreamDemo_How_to_create_App.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/StreamDemo_How_to_create_App
Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/28b768ba4f37f4b22418a8a2d2a1f53c7d0de625/BasicJava/StreamDemo_How_to_create_App/?at=master
See also:
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