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 }

What is ruby object?

Explain ampersand parameter (&block) in Ruby?

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

In how many ways items can be added in an array in Ruby?

Explain when self.up and self.down method is used?

Is ruby a strongly typed or a weakly typed language?

How is class methods defined in ruby?

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

Explain about normal method class?

Difference between render and redirect?

Do you know when self.up and self.down method is used?

what is the difference extend and include?

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

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

What is the difference between throw/catch and raise/rescue?

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