IntSummaryStatistics getSum() method in Java with Examples

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

Syntax:

public long getSum()

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

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

Program:

// Java program to demonstrate
// the above method

import java.util.*;

public class IntSummaryStatisticsDemo {
    public static void main(String[] args)
    {

        IntSummaryStatistics intSummaryStatistics
            = new IntSummaryStatistics();

        List<Integer> list
            = Arrays.asList(10, 20, 30, 40, 50);

        Iterator<Integer> iterator = list.listIterator();
        while (iterator.hasNext()) {

            // Add the integers to the IntSummaryStatistics object
            intSummaryStatistics.accept(iterator.next());
        }

        System.out.println("The sum of values is "
                           + intSummaryStatistics.getSum());
    }
}

Output:

The sum of values is 150

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