Java Streams - Stream noneMatch(Predicate predicate) example

• Back to Stream  ↑

Stream noneMatch(Predicate<? super T> predicate) tells whether no elements of this stream match the provided predicate.

Syntax

noneMatch has the following syntax.

boolean noneMatch(Predicate<? super T> predicate)

Example

The following example shows how to use noneMatch.

import java.util.Arrays;
import java.util.List;
//w  ww . j a  v  a2 s . c om
public class Main {
  public static void main(String[] args) {
    List<Integer> numbers = Arrays.asList(1, 2, 3, 4, 5);
    boolean o = numbers.stream()
                     .noneMatch(n-> n % 2 ==0);

    System.out.println(o);
  }
}

The code above generates the following result.

• Back to Stream  ↑