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Category: Ruby Interview Questions

Frequently asked Ruby interview questions

What is the use of Destructive Method in ruby?

August 5, 2015 Gyantoday Ruby Interview Questions, Ruby Interview Questions set 2 Leave a comment

In ruby programming Destructive methods are used to change the object value permanently by itself using bang (!) operator. The exclamation

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How to get ruby class of an object?

August 5, 2015 Gyantoday Ruby Interview Questions, Ruby Interview Questions set 2 Leave a comment

In Ruby programming method ‘class’ is used to get ruby class of an object. Method ‘class’ is used to tells

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What is difference between true, nil and false keywords in ruby?

August 4, 2015 Gyantoday Ruby Interview Questions, Ruby Interview Questions set 2 Leave a comment

true, nil and false are the keywords in Ruby. In which nil is a special keyword reserved to indicate the absence of value

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What is the use of array in Ruby?

July 21, 2015 Gyantoday Ruby Interview Questions, Ruby Interview Questions part 1 Leave a comment

An Array is a sequential collection of items, where each item is placed at a unique index or we can

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What is class variable?

July 20, 2015 Gyantoday Ruby Interview Questions, Ruby Interview Questions part 1 Leave a comment

The two @ characters at the beginning of the variable name is called class variable. See an example below:  @@date_today

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What is the use of super keyword?

July 20, 2015 Gyantoday Ruby Interview Questions, Ruby Interview Questions part 1 Leave a comment

The super keyword calls a method with the same name in the ancestor or ‘super’ class. If the super keyword

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How to define class and create objects in Ruby programming?

July 20, 2015 Gyantoday Ruby Interview Questions, Ruby Interview Questions part 1 Leave a comment

In Ruby programming, defining class is very simple it is very much similar as in most of OOPs language, simply

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What is the use of new and initialize in Ruby Programming?

July 19, 2015 Gyantoday Ruby Interview Questions, Ruby Interview Questions part 1 Leave a comment

When a class contains a method named initialize this is automatically called when an object is created using the new

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what is called Methods in Ruby?

July 19, 2015 Gyantoday Ruby Interview Questions, Ruby Interview Questions part 1 Leave a comment

As name itself tells definition, a method is so called because it provides a method (that is, ‘a way’) for

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What is a class instance variable in Ruby?

July 19, 2015 Gyantoday Ruby Interview Questions, Ruby Interview Questions part 1 Leave a comment

The Variables starts with the @ character are called instance variables. They belong to individuals’ objects – or instances of

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How to right comments in Ruby programming?

July 18, 2015 Gyantoday Ruby Interview Questions, Ruby Interview Questions part 1 Leave a comment

Line starts with a # character are treated as comments by Ruby interpreter. So if you want to right comments

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What is Ruby on rails?

July 18, 2015 Gyantoday Ruby Interview Questions, Ruby Interview Questions part 1 Leave a comment

Ruby on Rails, or simply Rails, is a web application framework written in Ruby under MIT License. Rails is a an impressive framework, providing default structures for

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What is Ruby?

July 18, 2015 Gyantoday Ruby Interview Questions, Ruby Interview Questions part 1 Leave a comment

Ruby is a cross-platform interpreted language and pure object oriented programming language. Ruby has many features in common with other

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