Identifiers is nothing but the name of Variables, Functions and Arrays. when we make any variable and function we should have to give name to them and these name are called Identifiers.
There are some rules to use Identifiers which are given below.
There are some rules to use Identifiers which are given below.
- When programmer make identifiers they must include alphabet in first place of Identifiers like a123, num2,
- If you use 12a, #ahe, $abc etc are invalid Identifiers.
- Programmer can use '_' in first place in Identifiers like _num, _stdname.
- Programmer must aware to use of white space because white space can't use in identifiers.
- Cannot use Keywords.
- Length of Identifiers carry 1 to 31 characters but maximum 8 character length of Identifiers is good to programming skill.
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