Question

identify a valid identifier

Answer 1

Answer:

A valid identifier can have letters (both uppercase and lowercase letters), digits and underscores. The first letter of an identifier should be either a letter or an underscore. You cannot use keywords like int , while etc. as identifiers. There is no rule on how long an identifier can be.

Explanation:

Answer 2

A valid identifier can have letters (both uppercase and lowercase letters), digits and underscores. The first letter of an identifier should be either a letter or an underscore. You cannot use keywords like int , while etc. as identifiers. There is no rule on how long an identifier can be.