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DoubleAccumulator floatValue() method in Java with Examples
  • Last Updated : 29 Jan, 2019

The Java.DoubleAccumulator.floatValue() is an inbuilt method in java that returns the current value as an float after a narrowing primitive conversion. It means the initial datatype is double which is explicitly converted into type float.

Syntax:

public float floatValue()

Parameters: The function does not accepts any parameter.

Return value: The method returns the numeric value represented by this object after conversion to type float.

Below programs illustrate the above method:



Program 1:




// Java program to demonstrate the
// floatValue() method
  
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);
  
        // accumulate operation on num
        num.accumulate(42);
        num.accumulate(10);
  
        // Print before floatValue operation
        System.out.println("Old value is: "
                           + num);
  
        // Print after floatValue operation
        System.out.println("Current float value is: "
                           + num.floatValue());
    }
}
Output:
Old value is: 52.0
Current float value is: 52.0

Program 2:




// Java program to demonstrate the
// floatValue() method
  
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);
  
        // accumulate operation on num
        num.accumulate(7);
        num.accumulate(85);
  
        // Print before floatValue operation
        System.out.println("Old value is: "
                           + num);
  
        // Print after floatValue operation
        System.out.println("Current float value is: "
                           + num.floatValue());
    }
}
Output:
Old value is: 92.0
Current float value is: 92.0

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