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DoubleStream summaryStatistics() method in Java
The summaryStatistics() method of the DoubleStream class returns a DoubleSummaryStatistics describing various summary data about the elements of this stream. This is a special case of a reduction.
The syntax is as follows
DoubleSummaryStatistics summaryStatistics()
Here, DoubleSummaryStatistics is a state object for collecting statistics such as count, min, max, average, etc. It works with streams. To use the DoubleStream class in Java, import the following package
import java.util.stream.DoubleStream;
First, create a DoubleStream and add some elements
DoubleStream doubleStream = DoubleStream.of(20.5, 35.8, 45.9, 50.8, 80.7);
Now, get the statistics
DoubleSummaryStatistics details = doubleStream.summaryStatistics();
The following is an example to implement DoubleStream summaryStatistics() method
Example
import java.util.stream.DoubleStream; import java.util.DoubleSummaryStatistics; public class Demo { public static void main(String[] args) { DoubleStream doubleStream = DoubleStream.of(20.5, 35.8, 45.9, 50.8, 80.7); DoubleSummaryStatistics details = doubleStream.summaryStatistics(); System.out.println("Details = "+details); } }
Output
Details = DoubleSummaryStatistics{count=5, sum=233.700000, min=20.500000, average=46.740000, max=80.700000}
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