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

Ruby Interview Questions

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Mention what is the difference between a gem and a plugin in ruby?

Explain how can we define ruby regular expressions?

How would you create getter and setter methods in ruby?

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

How does a symbol differ from a string?

What is the use of interpolation in ruby?

Explain some of the looping structures available in ruby?

What is the difference between a class and a module?

What are the three levels of method access control for classes and what do they signify? What do they imply about the method?

What are the different environment variables present in the ruby?

Mention what is the difference between procs and blocks?

Mention what is the command to create a migration?

What is retry statement in ruby?

What method might you use to remove duplicate values from an array?

What is the difference between “#==” and “#equal?”

Un-Answered Questions { Ruby }

Explain about variables?

What happens when a value is too big for fixnum?

Explain the role of modules and mixins in ruby?

Is ruby a strongly typed or a weakly typed language?

What are the data types in ruby?

Explain break statement in Ruby?

What are ruby variables.

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

How many types of associations relationships does a model has?

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

What is the pattern matching operator in ruby?

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

What is RubyGems in Ruby programming language?

Tell me how symbol is different from variables?

What is the naming conventions for methods that return a boolean result?

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