All C++ keywords are reserved, as are all variable and function names that begin with two leading underscores.
No.
It is not a reserved word, so can be an identifier (name of a type/variable/function).
No. Keywords are reserved and cannot be used as identifiers. However, C/C++ is case-sensitive. So although register is a reserved keyword, Register is not.
C++ uses a syntax that is exactly the same as in C, with the addition of reserved words that are specific to C++. C ++ menggunakan sintaks yang persis sama seperti di C , dengan penambahan kata-kata reserved yang khusus untuk C++.
'Keyword' is a synonym for 'reserved word', it is not specific to C language.
You may use it as an identifier, because it is not a reserved word in C.
Yes. The word "hello" can be an identifier token. It is not a reserved word in C or C++, and it meets the criteria for being an identifier.
You cannot have a function named else, because it is a reserved word.
use of reserved word in assembly language
No extern keyword in Java.
I can tell you that it is not an illegal variable name in C. I do not currently have a C++ compiler installed, but I would assume that it would also be valid in C++.
b+b+b+c+c+c+c =3b+4c