Question

write rules for naming a variable​

Answer 1

Answer:

Rules for naming variables:

All variable names must begin with a letter of the alphabet or an. underscore( _ ). ...

After the first initial letter, variable names can also contain letters and numbers. ...

Uppercase characters are distinct from lowercase characters. ...

You cannot use a C++ keyword (reserved word) as a variable name.

Answer 2

Rules for naming variables:

➡️Aʟʟ ᴠᴀʀɪᴀʙʟᴇ ɴᴀᴍᴇs ᴍᴜsᴛ ʙᴇɢɪɴ ᴡɪᴛʜ ᴀ ʟᴇᴛᴛᴇʀ ᴏғ ᴛʜᴇ ᴀʟᴘʜᴀʙᴇᴛ ᴏʀ ᴀɴ. ᴜɴᴅᴇʀsᴄᴏʀᴇ( _ ). ...

➡️Aғᴛᴇʀ ᴛʜᴇ ғɪʀsᴛ ɪɴɪᴛɪᴀʟ ʟᴇᴛᴛᴇʀ, ᴠᴀʀɪᴀʙʟᴇ ɴᴀᴍᴇs ᴄᴀɴ ᴀʟsᴏ ᴄᴏɴᴛᴀɪɴ ʟᴇᴛᴛᴇʀs ᴀɴᴅ ɴᴜᴍʙᴇʀs. ...

➡️Uᴘᴘᴇʀᴄᴀsᴇ ᴄʜᴀʀᴀᴄᴛᴇʀs ᴀʀᴇ ᴅɪsᴛɪɴᴄᴛ ғʀᴏᴍ ʟᴏᴡᴇʀᴄᴀsᴇ ᴄʜᴀʀᴀᴄᴛᴇʀs. ...

➡️Yᴏᴜ ᴄᴀɴɴᴏᴛ ᴜsᴇ ᴀ C++ ᴋᴇʏᴡᴏʀᴅ (ʀᴇsᴇʀᴠᴇᴅ ᴡᴏʀᴅ) ᴀs ᴀ ᴠᴀʀɪᴀʙʟᴇ ɴᴀᴍᴇ.

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