Java Streams - DoubleStream max() example

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DoubleStream max() returns an OptionalDouble describing the maximum element of this stream, or an empty OptionalDouble if this stream is empty.

Syntax

max has the following syntax.

OptionalDouble max()

Example

The following example shows how to use max.

import java.util.OptionalDouble;
import java.util.stream.DoubleStream;
/*from  w  ww. j a  v a2 s  .  com*/
public class Main {
  public static void main(String[] args) {
    DoubleStream d = DoubleStream.of(1.2,2.3,4.5);
    
    OptionalDouble v = d.max();
    
    if(v.isPresent()){
      System.out.println(v.getAsDouble());
    }else{
      System.out.println("no value");
    }    
  }
}

The code above generates the following result.

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