Ruby Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Ruby Interview Questions

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What happens when a value is too big for fixnum?

Are numeric objects mutable in ruby?

What is a symbol in ruby?

What is the difference between a statement and an expression in ruby?

What are the loops in ruby?

Explain the garbage collection feature of ruby?

Difference between nil and false in ruby?

What function converts all html special symbols to html entities in ruby?

Explain ruby data types.

Explain next statement in ruby.

What are ruby variables.

Explain the use of retry statement in ruby?

What are some built-in ruby class exceptions.

What is concatenating string in ruby. In how many ways you can create a concatenating string.

Explain do while loop in ruby.

Un-Answered Questions { Ruby }

what is the difference between a gem and a plugin in Ruby?

Explain raise statement in Ruby?

How to create a new time instance in Ruby?

How ruby looks up a method to invoke?

Explain class libraries in ruby.

Please explain what is mvc and why do we use it?

difference between activesupport's “hashwithindifferentaccess” and ruby's “hash”?

Describe the environment variables present in Ruby?

what is the difference between Procs and Blocks?

What is concatenating string in Ruby?

Name different methods for io console in ruby?

Explain the garbage collection feature of ruby?

what is the role of sub-directory app/controllers and app/helpers?

Explain while loop in ruby.

Do you know how ruby looks up a method to invoke?

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