Question

What are the rules to define an

identifier ?​

Answer 1

Answer:

a) An identifier can only have alphanumeric characters (a-z , A-Z , 0-9) (i.e. letters & digits) and underscore( _ ) symbol. b) Identifier names must be unique c) The first character must be an alphabet or underscore. d) You cannot use a keyword as identifiers.

Answer 2

Answer:

a) An identifier can only have alphanumeric characters (a-z , A-Z , 0-9) (i.e. letters & digits) and underscore( _ ) symbol.

b) Identifier names must be unique

c) The first character must be an alphabet or underscore.

d) You cannot use a keyword as identifiers.

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