DoubleAccumulator reset() method in Java with Examples
Last Updated :
29 Jan, 2019
The Java.DoubleAccumulator.reset() is an inbuilt method in java that resets variables maintaining updates to the identity value. It means it only returns the reset value and does not takes any parameter. The return type is int.
Syntax:
public void reset()
Parameters: The method does not accepts any parameter.
Return Value: The method does not returns anything.
Below programs illustrate the above method:
Program 1:
import java.lang.*;
import java.util.concurrent.atomic.DoubleAccumulator;
public class GFG {
public static void main(String args[])
{
DoubleAccumulator num
= new DoubleAccumulator(
Double::sum, 0L);
num.accumulate( 2 );
num.accumulate( 10 );
System.out.println( "DoubleAccumulator before reset: "
+ num);
num.reset();
System.out.println( "DoubleAccumulator after reset: "
+ num);
}
}
|
Output:
DoubleAccumulator before reset: 12.0
DoubleAccumulator after reset: 0.0
Program 2:
import java.lang.*;
import java.util.concurrent.atomic.DoubleAccumulator;
public class GFG {
public static void main(String args[])
{
DoubleAccumulator num
= new DoubleAccumulator(
Double::sum, 0L);
num.accumulate( 45 );
num.accumulate( 17 );
System.out.println( "DoubleAccumulator before reset: "
+ num);
num.reset();
System.out.println( "DoubleAccumulator after reset: "
+ num);
}
}
|
Output:
DoubleAccumulator before reset: 62.0
DoubleAccumulator after reset: 0.0
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