Stream peek(Consumer action) example
Description
Stream peek(Consumer<? super T> action)
returns a stream consisting of the elements of this stream,
performing the provided action on each element.
Syntax
peek has the following syntax.
Stream<T> peek(Consumer<? super T> action)
Example
The following example shows how to use peek.
import java.util.Arrays;
import java.util.List;
// w w w. j a v a 2 s .co m
public class Main {
public static void main(String[] args) {
List<String> stringList = Arrays.asList("1","1","2","3","4");
stringList.stream()
.limit(2)
.peek(System.out::println);
}
}