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What are literals in C++?
A literal is any notation for representing a value within the source code. They just exist in your source code and do not have any reference a value in memory. Contrast this with identifiers, which refer to a value in memory.
There are several types of literals in C++. Some of the examples of literals are −
- "Hello" (a string)
- 3.141 (a float/double)
- true (a boolean)
- 3 (an integer)
- 'c' (a character)
Things that are not literals −
- bar = 0; (a statement)
- 3*5-4 (an expression)
- std::cin (an identifier)
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