Learning Path

Hello World

Learn the basics of Ruby functions and return values. This is your first step...

Temperature Converter

Learn about basic math operations by building temperature conversion functions.

Calculator

Build a calculator with various operations. Learn about arrays and iteration.

Conditionals

Learn how to make decisions in your code using if, else, and case statements.

2

Working with Data

String manipulation, hashes, and formatting

Beginner

21 exercises

Arrays

Master Ruby arrays with powerful built-in methods for data manipulation.

Hashes

Learn to work with Ruby's powerful key-value data structure.

Strings

Master string manipulation with Ruby's rich string methods.

Intermediate Enumerables

Master advanced enumerable methods for powerful data processing.

3

Advanced Concepts

Blocks, metaprogramming, and algorithms

Intermediate

13 exercises

Classes and Objects

Learn to create classes, define methods, and work with objects.

Modules and Mixins

Learn to use modules for namespacing and sharing behavior.

Procs and Lambdas

Understand blocks, procs, and lambdas - Ruby's callable objects.

Exception Handling

Learn to handle errors gracefully with begin/rescue/ensure.

4

Ruby 3.4 Features

Pattern matching, 'it' parameter, Data classes, Ractors

Modern Ruby

15 exercises

The 'it' Parameter

Learn about Ruby 3.4's new 'it' keyword for single-parameter blocks.

Pattern Matching

Learn Ruby's powerful pattern matching syntax for destructuring data.

Data Classes

Learn about Ruby 3.2+'s Data class for immutable value objects.