Bird
0
0

Which class is the root of the exception hierarchy in Ruby?

easy📝 Conceptual Q11 of 15
Ruby - Error Handling

Which class is the root of the exception hierarchy in Ruby?

ARuntimeError
BStandardError
CException
DIOError
Step-by-Step Solution
Solution:

  1. Step 1: Understand Ruby's exception hierarchy

    In Ruby, all exceptions inherit from the Exception class, which is the root of the hierarchy.

  2. Step 2: Identify the root class

    Other exception classes like StandardError and RuntimeError are subclasses of Exception.

  3. Final Answer:

    Exception -> Option C

  4. Quick Check:

    Root exception class = Exception [OK]
Quick Trick: Remember: all errors come from Exception root [OK]
Common Mistakes:
  • Confusing StandardError as root
  • Thinking RuntimeError is root
  • Choosing specific error classes instead of root

Want More Practice?

15+ quiz questions · All difficulty levels · Free

Free Signup - Practice All Questions
More Ruby Quizzes
Blocks, Procs, and Lambdas - Block parameters - Quiz 2easy Blocks, Procs, and Lambdas - Proc vs lambda differences (arity, return) - Quiz 6medium Blocks, Procs, and Lambdas - Closures and variable binding - Quiz 15hard Class Methods and Variables - Constants in classes - Quiz 9hard Class Methods and Variables - Class variables (@@) and their dangers - Quiz 4medium Classes and Objects - Instance methods - Quiz 6medium Enumerable and Collection Processing - Reduce/inject for accumulation - Quiz 6medium Error Handling - Begin/rescue/end blocks - Quiz 10hard Modules and Mixins - Prepend for method chain insertion - Quiz 10hard Modules and Mixins - Include for instance methods - Quiz 5medium