Question

An instance of class Buffer provides a threadsafe way of communication between ________

(a) Actors

(b) Objects

(c) Locking

(d) Buffer

The question was posed to me in a national level competition.

My question is taken from Multithreading in section Going Parallel, Handling Actuator and Sensor of IOT

Answer 1

Correct option is (b) Objects

To explain: An instance of class Buffer provides a threadsafe way of communication between actors. A buffer instance basically acts as a variable whose current value can be read and written.