In this tutorial, we will learn Java 8 Stream forEach() terminal operation with an example.
The Java Stream forEach() method is a terminal operation that starts the internal iteration of the elements in the Stream and applies a Consumer (java.util.function.Consumer) to each element in the Stream. The forEach() method returns void.
Java Stream forEach() Example
Here is a Java Stream forEach() example:
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import java.util.stream.Stream;
public class Main {
public static void main(String[] args)
{
List<String> stringList = new ArrayList<>();
stringList.add("one");
stringList.add("two");
stringList.add("three");
stringList.add("one");
Stream<String> stream = stringList.stream();
stream.forEach( element -> { System.out.println(element); });
}
}
Output:
one
two
three
one
Java Stream Methods/APIs Examples
- Java Stream filter() Example
- Java Stream map() Example
- Java Stream flatMap() Example
- Java Stream distinct() Example
- Java Stream limit() Example
- Java Stream peek() Example
- Java Stream anyMatch() Example
- Java Stream allMatch() Example
- Java Stream noneMatch() Example
- Java Stream collect() Example
- Java Stream count() Example
- Java Stream findAny() Example
- Java Stream findFirst() Example
- Java Stream forEach() Example
- Java Stream min() Example
- Java Stream max() Example
- Java Stream reduce() Example
- Java Stream toArray() Example