Stream method ________ maps objects to double values and returns a DoubleStream. The method receives an object that implements the functional interface ToDoubleFunction (package java.util.function).

A ________ is descriptive text that is added to worksheet cells without modifying the data

A) note B) comment C) revision D) callout

Privacy is broken down into four major areas: anonymity, unlinkability, unobservability, and _________.

Fill in the blank(s) with the appropriate word(s).