In the C++ programming language, variables are named with separate keywords. For example , unique names like master , cpp are Identifiers. Identifiers can be short names (like x and y) or more descriptive names (young, master, cpp, teacher).
The identifier must begin with Latin letters;
Numbers can be used starting from the second character;
C++ is case sensitive. That is, each of the following is a separate identifier: KATTA, katta, KaTTa, kAttA, KattA,
Probel is used to delimit words in C++. Therefore, a probe cannot be used in an identifier.
Servants ( such as int, float, for, while ) cannot be used as identifiers;
Note : It is recommended not to use "" as the first character when choosing an identifier._
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