Introduction to Program Coding: Java and BlueJ › MCQ Quiz - Class 8 - Programming › Question #25811
Single Choice Moderate

QWhich is a valid identifier?

ID: #25811 MCQ Quiz - Class 8 - Programming 4 views
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#25811Q ID
ModerateDifficulty
MCQ Quiz - Class 8 - ProgrammingTopic
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  • A age1 ✔ ✖
  • B 1age ✔ ✖
  • C @age ✔ ✖
  • D age name ✔ ✖
Correct Answer

Explanation

Correct Answer Explanation:

'age1' starts with a letter and contains only allowed characters — a valid identifier.

Why the other options are incorrect:

  • Option B: '1age' starts with a digit — not allowed.
  • Option C: '@age' contains @ — special characters are not allowed.
  • Option D: 'age name' contains a space — not allowed.
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