Question

Which function is used to write a single character to console in C++?

(a) cout.put(ch)

(b) cout.putline(ch)

(c) write(ch)

(d) printf(ch)

I had been asked this question at a job interview.

The question is from Basics topic in section Basics Concepts of C++ of C++

Answer 1

Right choice is (a) cout.put(ch)

Explanation: C++ provides cout.put() function to write a single character to console whereas others are used to write either a single or multiple characters.