Open In App
Related Articles

DoubleAdder sum() method in Java with Examples

Improve
Improve
Improve
Like Article
Like
Save Article
Save
Report issue
Report
The java.DoubleAdder.sum() is an inbuilt method in java that returns the current sum. When the object of the class is created its initial value is zero. Syntax:
public double sum()
Parameters: This method does not accepts any parameter. Return Value: This method returns the current sum. Below programs illustrate the above method: Program 1:
// Program to demonstrate the sum() method
  
import java.lang.*;
import java.util.concurrent.atomic.DoubleAdder;
  
public class GFG {
    public static void main(String args[])
    {
        DoubleAdder num = new DoubleAdder();
  
        // add operation on num
        num.add(42);
        num.add(10);
  
        // sum operation on variable num
        num.sum();
  
        // Print after add operation
        System.out.println(" the current value is: " + num);
    }
}

                    
Output:
the current value is: 52.0
Program 2:
// Program to demonstrate the sum() method
  
import java.lang.*;
import java.util.concurrent.atomic.DoubleAdder;
  
public class GFG {
    public static void main(String args[])
    {
        DoubleAdder num = new DoubleAdder();
  
        // add operation on num
        num.add(10);
  
        // sum operation on variable num
        num.sum();
  
        // Print after add operation
        System.out.println(" the current value is: " + num);
    }
}

                    
Output:
the current value is: 10.0
Reference: https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/DoubleAdder.html#sum–

Last Updated : 28 Jan, 2019
Like Article
Save Article
Previous
Next
Share your thoughts in the comments
Similar Reads