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

Ruby Interview Questions

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What happens when a value is too big for fixnum?

Are numeric objects mutable in ruby?

What is a symbol in ruby?

What is the difference between a statement and an expression in ruby?

What are the loops in ruby?

Explain the garbage collection feature of ruby?

Difference between nil and false in ruby?

What function converts all html special symbols to html entities in ruby?

Explain ruby data types.

Explain next statement in ruby.

What are ruby variables.

Explain the use of retry statement in ruby?

What are some built-in ruby class exceptions.

What is concatenating string in ruby. In how many ways you can create a concatenating string.

Explain do while loop in ruby.

Un-Answered Questions { Ruby }

Explain the types of variables available in ruby class?

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

What are freezing string in Ruby?

How would you implement hash in ruby internally?

Explain about the programming language ruby?

Explain the use of ensure statement in Ruby?

What are blocks and procs?

Is ruby supports single inheritance/ multiple inheritance or both?

Do you know about dig, float and max?

Does hash use “ #==” or “#eql?” To compare hash keys?

Name some operators used in ruby.

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

Explain the three levels of access control for ruby methods?

what is class libraries in Ruby?

what is the syntax for Ruby collect Iterator?

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