Which of the following is a valid Java identifier?
A) $pay
B) 4myGrade!
C) newGrade!
D) 1dollar

Name: Which of the following is a valid Java identifier? A) $pay B) 4myGrade! C) newGrade! D) 1dollar
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Java identifiers can start with a letter, underscore, or dollar sign. They cannot start with a number. Therefore, options B and D are invalid. Option C starts with a reserved keyword (new) and cannot be used as an identifier. Option A is a valid identifier as it starts with a dollar sign.

Which of the Following Is a Valid Java Identifier