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

Ruby Interview Questions

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How ruby looks up a method to invoke?

What is mvc and why do we use it?

Explain the difference in scope for these two variables: @@name and @name?

How do you remove nil values in array using ruby?

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

What are blocks and procs?

What is the difference between ruby 1.9 and ruby 2.0?

Explain the types of variables available in ruby class?

Explain the difference between a single quote and double quote?

Can you call a private method outside a ruby class using its object?

Explain the role of thread pooling in relation to the thread lifecycle in ruby?

How symbol is different from variables?

What is the difference between extend and include?

Explain about the defined operator in ruby?

How would you freeze an object in ruby? Can you provide a simple example?

Un-Answered Questions { Ruby }

How will you rename and delete a file in Ruby?

Explain class libraries in ruby.

Explain about class libraries in ruby?

Why Ruby is known as a language of flexibility?

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

what is the syntax for Ruby collect Iterator?

Interpolation is a very important process in Ruby, comment.

Where does a scope change in a ruby program?

what is the difference between Procs and Blocks?

What is ruby methods?

What are the key features of ruby?

How to access Ruby array elements? How many methods are used to access Ruby elements?

What does ruby name refers to?

What are the different environment variables present in the ruby?

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

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