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DoubleStream empty() method in Java
The empty() method of the DoubleStream class in Java returns an empty sequential DoubleStream.
The syntax is as follows:
static DoubleStream empty()
To use the DoubleStream class in Java, import the following package:
import java.util.stream.DoubleStream;
Let us create an empty DoubleStream:
DoubleStream doubleStream = DoubleStream.empty();
Now, let us check the number of elements in the stream. It will be 0, since the stream is set to empty:
doubleStream.count()
The following is an example to implement DoubleStream empty() method in Java:
Example
import java.util.stream.DoubleStream; public class Demo { public static void main(String[] args) { DoubleStream doubleStream = DoubleStream.empty(); System.out.println("Number of elements in the stream = "+doubleStream.count()); } }
Here is the output. The result is 0 since the stream is set to empty:
Number of elements in the stream = 0
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