Question

Predict whether the following variables are valid identifiers

in Java and justify your selection. i) data_rec ii) final​

Answer 1

I. data_rec - It is a valid identifier as, it satisfies all conditions for naming a identifier.

II. final - It is not a valid identifier as, final is a keyword and cannot be used as an identifier.

Answer 2

Question:-

Predict whether the following variables are valid identifiers or not.

Answer:-

• data_rec is a valid point identifier as it satisfies all the conditions for being an identifier.
• final is an invalid identifier as it is a keyword in java and identifier name cannot be a keyword.