Question

what are the rules for naming variables

Answer 1

After the first initial letter, variable names may also contain letters and the digits 0 to 9. ...


The name can be of any length, but don't get carried away.

Uppercase characters are distinct from lowercase characters

You cannot use a java keyword (reserved word) for a variable name

Answer 2

The rules for naming a variable is as follows :-

• A variable may have any number of characters.
• It may contain alphabets, digits and underscore.
• The underscore can be applied in between the characters to increase the length of a variable name.
• Variable names should be meaningful which easily depicts the logic.