C++ Identifiers
An Identifier is an unique name which is used to identify the variables, functions, arrays, or other user-defined data types created by the programmer.
Here is an example of acceptable identifiers –
Valid Identifiers:
The following are the examples of valid identifiers are:
In valid an identifier starts with a letter A to Z or a to z or an underscore (_) .
Example for
Invalid which is that starts with special character and numeric value and so on example shown in below: