Syntax error DoubleStream count() method in Java

DoubleStream count() method in Java

The count() method of the DoubleStream class returns the count of the elements in the stream.

The syntax is as follows:

long count()

To use the DoubleStream class in Java, import the following package:

import java.util.stream.DoubleStream;

Create DoubleStream and add some elements:

DoubleStream doubleStream = DoubleStream.of(50.8, 67.9, 35.7, 23.6, 89.9);

Now, get the count of elements in the DoubleStream:

long res = doubleStream.count();

The following is an example to implement DoubleStream count() method in Java:

Example

 Live Demo

import java.util.stream.DoubleStream;
public class Demo {
   public static void main(String[] args) {
      DoubleStream doubleStream = DoubleStream.of(50.8, 67.9, 35.7, 23.6, 89.9);
      long res = doubleStream.count();
      System.out.println("Count of elements in the stream = "+res);
   }
}

Output

Count of elements in the stream = 5
Updated on: 2019-07-30T22:30:25+05:30

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