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DoubleSummaryStatistics getSum() method in Java with Examples

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  • Last Updated : 28 Jun, 2019

The getSum() method of DoubleSummaryStatistics class in Java is used to get the sum of records in this DoubleSummaryStatistics.

Syntax:

public double getSum()

Parameter: This method do not accept any value as parameter.

Return Value: This method returns the sum of the records in this DoubleSummaryStatistics.

Program:




// Java program to demonstrate
// the above method
  
import java.util.*;
  
public class DoubleSummaryStatisticsDemo {
    public static void main(String[] args)
    {
  
        DoubleSummaryStatistics doubleSummaryStatistics
            = new DoubleSummaryStatistics();
  
        List<Double> list = new LinkedList<>();
        list.add(95.7);
        list.add(234.6767);
        list.add(243.5);
        list.add(50.0);
        list.add(45.6);
        list.add(45664.0);
        list.add(7007.777);
        list.add(5677.0);
        list.add(0.0);
        list.add(45664.7);
  
        Iterator<Double> iterator = list.listIterator();
        while (iterator.hasNext()) {
  
            // Add the doubles to the
            // DoubleSummaryStatistics object
            doubleSummaryStatistics
                .accept(iterator.next());
        }
  
        System.out.println(doubleSummaryStatistics
                               .toString());
  
        System.out.println("The sum of values is "
                           + doubleSummaryStatistics
                                 .getSum());
    }
}

Output:

DoubleSummaryStatistics{count=10, sum=104682.953700, min=0.000000, average=10468.295370, max=45664.700000}
The sum of values is 104682.9537

Reference: https://docs.oracle.com/javase/10/docs/api/java/util/DoubleSummaryStatistics.html#getSum()


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