M

Mr. Dubey • 52.49K Points
Coach 

Q. Which concept in Object-Oriented Programming allows objects of different classes to be treated as objects of a common superclass?

  • (A) Encapsulation
  • (B) Inheritance
  • (C) Abstraction
  • (D) Polymorphism
  • Correct Answer - Option(D)
  • Views: 32
  • Filed under category Ruby

No solution found for this question.
Add Solution and get +2 points.

You must be Logged in to update hint/solution

Discusssion

Login to discuss.

Be the first to start discuss.

Related MCQs on Ruby

Q. Which method is used to split a string into substrings based on a regular expression in Ruby?

Q. What is the role of ! at the end of the capitalize method?

Q. Which of the following features does the 2.0 version of ruby supports?

Q. What is the purpose of the loop keyword in Ruby?

Q. What is the purpose of the --no-ri and --no-rdoc flags when installing gems using Bundler?

Q. What is the purpose of a feature file in Cucumber testing?

Q. What will be the output of the given ruby code?

Q. What does the principle of DRY stand for in Ruby programming?

Q. What is the output of the code? variable="true".length if variable puts "true" else puts "false" end

Q. What is the output of the given code? array1 = [[1,2,3,4,5],[0,0,0,0]] array2 = [[1,2,3],[0,0,0]] print array1 || array2

Learn All Ruby MCQs

Question analytics