Question

Which of the following is not a valid variable name in java?

Answer 1

Answer:

Variable name cannot start with a digit. ... Explanation: Since only underscore and no other special character is allowed in a variable name, it results in an error.

Answer 2

3names is not a valid JavaScript variable name.

Here are some of the rules for naming variables in JavaScript.

• Variable names ought to now no longer have any space.
• Variable call ought to start with an alphabetical letter, an underscore (_), or a greenback sign ($).
• Variable names can most effectively comprise letters, numbers, underscores, or greenback signs.
• The variable 3names is being begun with the number '3' hence is not valid.

(The complete question is: Which of the following is not a valid JavaScript variable name?

3names

_first_name

FirstName

None of the above)