Java Streams - DoubleStream count() example

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DoubleStream count() returns the count of elements in this stream.

Syntax

count has the following syntax.

long count()

Example

The following example shows how to use count.

import java.util.stream.DoubleStream;
//  w w  w. ja v  a 2 s.  c  o m
public class Main {
  public static void main(String[] args) {
    DoubleStream d = DoubleStream.of(1.2,4.5,1.2,2.3);
    
    long r = d.count();
     
    System.out.println(r);
  }
}

The code above generates the following result.

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