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DoubleStream peek() method in Java
The syntax is as follows
DoubleStream peek(DoubleConsumer action)
Here, DoubleConsumer is an operation that accepts a single double-valued argument and returns no result.
To use the DoubleStream class in Java, import the following package
import java.util.stream.DoubleStream;
The following is an example to implement DoubleStream peek() method in Java
Example
import java.util.*; import java.util.stream.DoubleStream; public class Demo { public static void main(String[] args) { DoubleStream doubleStream = DoubleStream.of(28.7, 35.6, 48.3, 69.8, 75.8, 80.5, 90.8); System.out.println("Elements in the stream..."); long num = doubleStream.peek(System.out::println).count(); System.out.println("Number of elements in the stream = " + num); } }
Output
Elements in the stream... 28.7 35.6 48.3 69.8 75.8 80.5 90.8 Number of elements in the stream = 7
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