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Data Types in Ruby

Data Types in Ruby

Learn about the different data types in Ruby.

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Data types

In the previous chapters, we figured out how to join two strings with "+". Also, we know now that we can multiply a string by a number. While experimenting, we found that there are at least two types of data: strings and numbers, also known as integers. We also learned that a number itself, written in quotation marks, is a string. Let’s see how Ruby understands what a number and what a string is:

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 # Experimenting to see how Ruby understands a number and a string
 
 puts "blabla".class
 puts "123".class
 puts 123.class

The documentation says that everything is an object in Ruby. So, the result of any operation is an object. Every object implements a method called a class. The expression ...