Best Practices and Code Conventions in Ruby MCQ question and answer with solution

Best Practices and Code Conventions in Ruby MCQ question and answer with solution | Ruby Programming MCQs

Learn Best Practices and Code Conventions in Ruby MCQ Questions and answers with easy and logical explanations in Ruby Programming. Best Practices and Code Conventions in Ruby MCQ question provides all type of technical mcq questions which is important for technical exams, campus exams and other entrance examination. Page-5 section-1

What is the recommended approach for handling exceptions in Ruby?

A) Suppress exceptions by using ignore blocks B) Use exit to terminate the program when an exception occurs C) Let exceptions propagate without handling them D) Use begin and rescue blocks to gracefully handle exceptions

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Answer & Solution

Answer: Option D

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Which tool is commonly used for Ruby version management and dependency isolation?

A) RSpec B) RuboCop C) RVM (Ruby Version Manager) D) Rails

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Answer & Solution

Answer: Option C

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What is the purpose of the "Law of Least Astonishment" in Ruby programming?

A) To minimize the number of lines of code in a program B) To ensure that the behavior of code is intuitive and predictable C) To prioritize the performance of code over its readability D) None of the above

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Answer & Solution

Answer: Option B

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Which Ruby convention is commonly used for naming global variables?

A) lower_snake_case B) UPPER_SNAKE_CASE C) $UPPER_SNAKE_CASE D) @lower_snake_case

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Answer & Solution

Answer: Option C

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What is the purpose of using constants in Ruby programming?

A) To store values that can be modified during the execution of the program B) To declare variables that are accessible only within a specific scope C) To store values that are sensitive and should not be accessed by other parts of the program D) To define values that remain constant throughout the execution of the program

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Answer & Solution

Answer: Option D

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Which Ruby convention is commonly used for naming instance variables?

A) @lower_snake_case B) UPPER_SNAKE_CASE C) snake_case D) PascalCase

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Answer & Solution

Answer: Option A

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What is the purpose of using comments in Ruby code?

A) To store values that are sensitive and should not be accessed by other parts of the program B) To declare variables that are accessible only within a specific scope C) To hide sections of code from being executed D) To provide additional information and explanations about the code

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Answer & Solution

Answer: Option D

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Which Ruby convention is commonly used for naming private methods?

A) Method names starting with private_ B) Method names ending with _private C) Method names starting with _ D) Method names starting with __

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Answer & Solution

Answer: Option C

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