Character constants in C++ are literal values that represent individual characters. They are enclosed within single quotes (‘ ‘). Character constants can represent alphanumeric characters, special characters, or even escape sequences to represent special characters such as newline or tab. They are used to store and manipulate individual characters in C++ programs.

A character constant is a contiguous sequence of characters enclosed in single or double quotation marks. Quotation marks included in the constant follow the rules listed in Using quotation marks.

A “character constant” is formed by enclosing a single character from the representable character set within single quotation marks (‘ ‘). Character constants are used to represent characters in the execution character set.

A “character constant” is created by surrounding a single character from the representable character set with single quotation marks (‘ ‘). Character constants are used in the execution character set to represent characters.