The Java.DoubleAccumulator.accumulate() method is an inbuilt method in Java that updates with the given value in this DoubleAccumulator instance. It means that it takes a double value as a parameter and adds it up to this instance of DoubleAccumulator on which it is called.
public void accumulate(double valueToBeAccumulated)
Parameters: This method accepts a single mandatory parameter valueToBeAccumulated which is the double value to be updaated in the current instance of this DoubleAccumulator.
Return value: This method do not return any value. It just updates this DoubleAccumulator.
Program below demonstrates the function:
Current DoubleAccumulator value is: 0.0 Updated DoubleAccumulator value is: 2.0
Current DoubleAccumulator value is: 0.0 Updated DoubleAccumulator value is: 42.2
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