DoubleBinaryOperator (Java SE 25 & JDK 25)
Description: declaration: module: java.base, package: java.util.function, interface: DoubleBinaryOperator
Keywords: java.util.function.DoubleBinaryOperator interface

# 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

  Modifier and Type
  Method
  Description
  `double`
  `applyAsDouble(double left, double right)`
  Applies this operator to the given operands.

- ## Method Details

  - ### 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