java.util.function

## Interface DoubleBinaryOperator

- Functional Interface:
    This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

      @FunctionalInterface
      public interface DoubleBinaryOperator

  Represents an operation upon two `double`-valued operands and producing a `double`-valued result. This is the primitive type specialization of `BinaryOperator` for `double`.

  This is a functional interface whose functional method is `applyAsDouble(double, double)`.

  Since:
    1.8
  See Also:
    `BinaryOperator`, `DoubleUnaryOperator`

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `double` | `applyAsDouble(double left, double right)` Applies this operator to the given operands.

- - ### Method Detail

    - #### applyAsDouble

          double applyAsDouble(double left,
                               double right)

      Applies this operator to the given operands.
      Parameters:
        `left` - the first operand
        `right` - the second operand
      Returns:
        the operator result

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