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 }

What are the operators available in ruby?

Please explain the role of thread pooling in relation to the thread lifecycle in ruby?

what is the purpose of the rakefile available in the demo directory in ruby?

What is request.xhr?

How many types of associations relationships does a model has?

Is ruby whitespace-dependent?

What are the loops in ruby?

How would you implement hash in ruby internally?

Explain some of the looping structures available in ruby?

Explain about variables?

What are Ruby iterators?

How is visibility of methods changed in ruby?

What is rvm?

What is the difference between nil and false in ruby?

Can you please explain what is the difference between string and symbol?

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