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 }

Are numeric objects mutable in ruby?

Can method names be capitalized?

Explain raise statement in Ruby?

how many ways you can create a concatenating string?

Mention what is the difference between procs and blocks?

Explain break statement in Ruby?

What is the use of load and require in ruby?

Explain about the command line options?

What is concatenating string in Ruby?

Explain the use of global variable $ in Ruby?

Tell me what is the difference between calling super and calling super()?

Explain about portability?

Describe the environment variables present in Ruby?

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

How to create a new time instance in Ruby?

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