Introduction to Program Coding: Java and BlueJ › MCQ Quiz - Class 8 - Programming › Question #25879
Single Choice Moderate

QWhich is a valid identifier?

ID: #25879 MCQ Quiz - Class 8 - Programming 5 views
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#25879Q ID
ModerateDifficulty
MCQ Quiz - Class 8 - ProgrammingTopic
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  • A _marks ✔ ✖
  • B 1marks ✔ ✖
  • C my marks ✔ ✖
  • D @marks ✔ ✖
Correct Answer

Explanation

Correct Answer Explanation:

'_marks' starts with an underscore (allowed) and has valid characters — a valid Java identifier.

Why the other options are incorrect:

  • Option B: '1marks' starts with a digit — invalid.
  • Option C: 'my marks' has a space — invalid.
  • Option D: '@marks' has @ — special character not allowed.
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