Module java.base
Package java.util.function

Interface DoubleToLongFunction

  • 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 DoubleToLongFunction
    Represents a function that accepts a double-valued argument and produces a long-valued result. This is the double-to-long primitive specialization for Function.

    This is a functional interface whose functional method is applyAsLong(double).

    Since:
    1.8
    See Also:
    Function

    • Method Summary

      All Methods
      Modifier and Type Method Description
      long applyAsLong ​(double value)
      Applies this function to the given argument.

    • Method Detail

      • applyAsLong

        long applyAsLong​(double value)
        Applies this function to the given argument.
        Parameters:
        value - the function argument
        Returns:
        the function result