OptionalDouble getAsDouble() method in Java with examples
OptionalDouble help us to create an object which may or may not contain a double value. The getAsDouble() method returns value If a value is present in OptionalDouble object, otherwise throws NoSuchElementException.
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public double getAsDouble()
Parameters: This method accepts nothing.
Return value: This method returns the value described by this OptionalDouble.
Exception: This method throws NoSuchElementException if no value is present
Below programs illustrate getAsDouble() method:
OptionalDouble: OptionalDouble[44356.455] Value in OptionalDouble = 44356.455
OptionalDouble: OptionalDouble.empty Exception: java.util.NoSuchElementException: No value present