Introduction to Program Coding: Java and BlueJ › MCQ Quiz - Class 8 - Programming › Question #25869
Single Choice Moderate

QUndeclared variable error is a:

ID: #25869 MCQ Quiz - Class 8 - Programming 6 views
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#25869Q ID
ModerateDifficulty
MCQ Quiz - Class 8 - ProgrammingTopic
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  • A Compile-time error ✔ ✖
  • B Runtime ✔ ✖
  • C Logic ✔ ✖
  • D Warning ✔ ✖
Correct Answer

Explanation

Correct Answer Explanation:

Using a variable that's never declared is caught at compile time in Java.

Why the other options are incorrect:

  • Option B: The compiler catches it before runtime.
  • Option C: It's not about logic; it's about missing declaration.
  • Option D: It prevents compilation, not just a warning.
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