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

Ruby Interview Questions

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Please explain what are some advantages of using ruby?

Tell me how you can create a controller for subject?

Please explain the role of thread pooling in relation to the thread lifecycle in ruby?

Tell me how you define instance variable, global variable and class variable in ruby?

Can you list out the few features of ruby?

Tell me how can we define ruby regular expressions?

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

Tell us what is class libraries in ruby?

Tell me how do you remove nil values in array using ruby?

Explain me what the difference is between false and nil in ruby?

Tell me an array [1,2,34,5,6,7,8,9], product it using a method?

How would you freeze an object in ruby?

How would you implement hash in ruby internally?

What are some advantages of using ruby?

What is the difference between calling super and calling super()?

Un-Answered Questions { Ruby }

Explain the difference between nil and false in ruby?

What is the difference between a class and a module?

Explain Ruby if-else statement?

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

what is the difference between put and putc statement?

Explain the types of variables available in ruby class?

How will you comment in ruby.

Is ruby a dying language?

Explain redo statement in Ruby?

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

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

Is ruby supports single inheritance/ multiple inheritance or both?

Name some operators used in ruby.

Explain class libraries in ruby.

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

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