Stream findAny() example
Description
Stream findAny()
returns an
Optional for some element of the stream, or an empty Optional if the stream is empty.
Syntax
findAny
has the following syntax.
Optional<T> findAny()
Example
The following example shows how to use findAny
.
import java.util.Arrays;
import java.util.List;
import java.util.Optional;
// w w w . j a va 2 s . co m
public class Main {
public static void main(String[] args) {
List<Integer> numbers = Arrays.asList(1, 2, 3, 4, 5);
Optional<Integer> o = numbers.stream()
.findAny();
if(o.isPresent()){
System.out.println(o.get());
}else{
System.out.println("no value");
}
}
}
The code above generates the following result.