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

Ruby Interview Questions

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Mention what is the difference between a gem and a plugin in ruby?

Explain how can we define ruby regular expressions?

How would you create getter and setter methods in ruby?

mention what is the difference between a single quote and double quote?

How does a symbol differ from a string?

What is the use of interpolation in ruby?

Explain some of the looping structures available in ruby?

What is the difference between a class and a module?

What are the three levels of method access control for classes and what do they signify? What do they imply about the method?

What are the different environment variables present in the ruby?

Mention what is the difference between procs and blocks?

Mention what is the command to create a migration?

What is retry statement in ruby?

What method might you use to remove duplicate values from an array?

What is the difference between “#==” and “#equal?”

Un-Answered Questions { Ruby }

Explain ampersand parameter (&block) in Ruby?

what the difference is between false and nil in Ruby?

Explain the role of modules and mixins in ruby?

How to use sql db or mysql db. Without defining it in the database.yml

Explain about ruby names?

Explain ruby data types.

Explain do while loop in ruby.

Tell me what is the command to create a migration?

What is rvm?

What does mri most commonly stand for?

What is ruby object?

Explain how Symbol is different from variables?

Explain the use of retry statement in ruby?

what is the difference between put and putc statement?

Explain the use of global variable $ in Ruby?

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