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

Ruby Interview Questions

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

Tell me the role of modules and mixins in ruby?

Tell me what is the command to create a migration?

Tell me what is the difference between active support's “hashwithindifferent” and ruby's “hash” ?

Do you know about dig, float and max?

Do you know how ruby looks up a method to invoke?

As you know ruby provides four types of variables. List them and provide a brief explanation for each?

Tell me what are blocks and procs?

Do you know what is the defined operator?

Tell us the types of variables available in ruby class?

Explain me what is the difference between symbol and string?

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

Please explain what is mvc and why do we use it?

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

Tell me how symbol is different from variables?

Un-Answered Questions { Ruby }

Tell me how can you declare a block in ruby?

Explain about the command line options?

what is the difference extend and include?

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

How is class methods defined in ruby?

In Ruby, it explains about the defined operator?

Explain about Float, Dig and Max?

Explain about the programming language ruby?

Which ruby interpreter option enables debugging?

What are some advantages of using ruby?

Explain next statement in ruby.

What is concatenating string in Ruby?

Do you know what is the defined operator?

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

what is the difference between a gem and a plugin in Ruby?

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