Question

What is the function in Arduino that is capable of reading Strings from a stream and store the acquired value into a String?

(a) Stream.readstring()

(b) Stream.stringread()

(c) Stream.readString()

(d) Stream.readfromstring()

I got this question in an interview.

My enquiry is from Serial and Stream Communications topic in division Arduino Programming of Arduino

Answer 1

Right choice is (c) Stream.readString()

The explanation is: The Stream.readString() is a function that belongs to the Stream class. It’s capable of reading any String from a stream and then store the output into a String. This function can also be called from the Wire class. There is a timeout for this reading which is defined by the setTimeout() function.