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DoubleAdder longValue() method in Java with Examples

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The java.DoubleAdder.longValue() is an inbuilt method in java that returns the sum() as a long after a narrowing primitive conversion. When the object of the class is created its initial value is zero. Syntax:
public long longValue()
Parameters:Return value: This method returns the numeric value represented by this object after conversion to long data type. Below programs illustrate the above method: Program 1:
// Program to demonstrate the longValue() 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);
  
        // longValue operation on variable num
        num.longValue();
  
        // Print after longValue operation
        System.out.println("the value after longValue() is: " + num);
    }
}

                    
Output:
the value after longValue() is: 52.0
Program 2:
// Program to demonstrate the longValue() 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(62);
  
        // longValue operation on variable num
        num.longValue();
  
        // Print after longValue operation
        System.out.println("the value after longValue() is: " + num);
    }
}

                    
Output:
the value after longValue() is: 62.0
Reference: https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/DoubleAdder.html#longValue–

Last Updated : 28 Jan, 2019
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