How do I import libraries in Ruby?

How do I import libraries in Ruby?

In Ruby, you can import libraries using the require or require_relative methods. For example, require 'json' imports the JSON library.

What's the difference between require and require_relative?

require loads a library from the Ruby load path, while require_relative loads a library relative to the file containing the code.

Can I import multiple libraries at once?

Yes, you can import multiple libraries by calling require for each one, like this: require 'json'; require 'net/http'.

Are there any built-in libraries in Ruby?

Yes, Ruby comes with several built-in libraries, such as 'date', 'fileutils', and 'set', which you can use without additional installation.