Java Streams - DoubleStream sum() example

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

Syntax

sum has the following syntax.

double sum()

Example

The following example shows how to use sum.

import java.util.stream.DoubleStream;
// ww w  .j av a 2 s  .c om
public class Main {
  public static void main(String[] args) {
    DoubleStream d = DoubleStream.of(1.2,2.3,4.5);
    
    double v = d.sum();
    
    System.out.println(v);
   
  }
}

The code above generates the following result.

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