Which of the following is a valid identifier in Java? a. 123identifier b. _identifier c. #identifier d. identifier-123
Question
Solution 1
The valid identifier in Java from the given options is b. _identifier.
Here's why:
a. 123identifier: Identifiers cannot start with a digit in Java.
b. identifier: This is a valid identifier. In Java, identifiers can start with a letter, a dollar sign ($), or an underscore ().
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