Which of the following is not a valid variable name declaration? Options: A . &nbspint _a3; B . &nbspint a_3; C . &nbspint 3_a; D . &nbspint _3a

Which of the following is not a valid variable name declaration?

Question

Which of the following is not a valid variable name declaration?

Options:

A . int _a3;

B . int a_3;

C . int 3_a;

D . int _3a

Answer: Option C

Variable name cannot start with a digit.

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