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

Ruby Interview Questions

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Explain class libraries in ruby.

How will you comment in ruby.

How to use ruby methods.

Tell me how you can list all routes for an application?

Please explain the three levels of access control for ruby methods?

Tell me what is the difference between ruby 1.9 and ruby 2.0?

Tell us how would you implement hash in ruby internally?

Tell me how can you declare a block in ruby?

Tell us what is the difference between dynamic and static scaffolding?

Tell us in ruby, it explains about the defined operator?

Tell me can you call a private method outside a ruby class using its object?

Please explain each of the following operators and how and when they should be used: ==, ===, eql?, Equal?

Do you know when self.up and self.down method is used?

Tell me what does ruby name refers to?

Tell me how would you freeze an object in ruby? Can you provide a simple example?

Un-Answered Questions { Ruby }

Can you list out the few features of ruby?

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

What is the difference between calling super and calling super()?

How will you comment in ruby.

Explain do while loop in ruby.

Write the command to get installed Ruby version in your system?

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

Explain Ruby if-else statement?

Explain case statement in Ruby?

What are ruby blocks.

Explain about portability?

What are Ruby arrays and how they can be created?

What is concatenating string in Ruby?

What are the key features of ruby?

Tell me what are blocks and procs?

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