Constant in C++

It is an identifier whose value can not be changed at the execution time of program. In general constant can be used to represent as fixed values in a C++ program. Constants are classified into following types.

constant in c++

If any single character (alphabet or numeric or special symbol) is enclosed between single cotes ' ' known as single character constant.

If set of characters are enclosed between double cotes " " known as string character constant.

Quantitative Aptitude