Java Streams - LongStream filter(LongPredicate predicate) example

LongStream filter(LongPredicate predicate) returns a stream consisting of the elements of this stream that match the given predicate. This is an intermediate operation.

Syntax

filter has the following syntax.

LongStream filter(LongPredicate predicate)

Example

The following example shows how to use filter.

import java.util.stream.LongStream;
// w ww .j a v  a2s .  co  m
public class Main {
  public static void main(String[] args) {
    LongStream b = LongStream.of(1L, 2L, 3L, 4L);
    
    b.filter(l -> l % 2 == 0);
    b.forEach(System.out::println);
    
  }
}