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.





















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