Introduction to Program Coding: Java and BlueJ › MCQ Quiz - Class 8 - Programming › Question #25809
Single Choice Moderate

QIdentifiers can contain:

ID: #25809 MCQ Quiz - Class 8 - Programming 4 views
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#25809Q ID
ModerateDifficulty
MCQ Quiz - Class 8 - ProgrammingTopic
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  • A Letters, digits, underscore ✔ ✖
  • B Only letters ✔ ✖
  • C Only digits ✔ ✖
  • D Only spaces ✔ ✖
Correct Answer

Explanation

Correct Answer Explanation:

Identifiers (variable names, function names) can contain letters (a-z, A-Z), digits (0-9), and underscores (_). No spaces or special characters allowed.

Why the other options are incorrect:

  • Option B: Digits and underscores are also allowed.
  • Option C: Digits alone can't form identifiers — must start with a letter/underscore.
  • Option D: Spaces are NOT allowed in identifiers.
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