Learn Ruby from Scratch

Discover Ruby's simplicity and power through hands-on practice. Gain insights into variables, built-in classes, objects, and more, making you productive and happy with programming.

Beginner

124 Lessons

12h

Certificate of Completion

Discover Ruby's simplicity and power through hands-on practice. Gain insights into variables, built-in classes, objects, and more, making you productive and happy with programming.

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Code Feedback

Explanations

AI-POWERED

Code Feedback

Explanations

This course includes

3 Projects

177 Playgrounds

31 Challenges

13 Quizzes

This course includes

3 Projects

177 Playgrounds

31 Challenges

13 Quizzes

Course Overview

Do you want to learn about interpreted languages? Tired of dense syntaxes? Tired of compiling code to machine language first? Are you looking for an easy-to-use scripting language? Well, Ruby is the answer! Ruby is a smart, easy-to-use, functional, object-oriented programming language, a wondrous mix of Perl's scripting power, Pythonic capabilities, and more! As Matsumoto, creator of Ruby, implies: "I hope to see Ruby help every programmer in the world to be productive, and to enjoy programming, and to be ...Show More

TAKEAWAY SKILLS

Ruby

Programming Language

Learn To Code

What You'll Learn

Learn how to program using Ruby as your first programming language.

Learn idiomatic Ruby.

Learn about blocks, methods, regular expressions, and more in Ruby.

What You'll Learn

Learn how to program using Ruby as your first programming language.

Course Content

The Big Picture

Get familiar with Ruby's object-oriented paradigm and the creative aspect of programming.

Programming is Creation

Ruby is Object Oriented

Variables

Walk through Ruby variable assignment, reassignments, and operator precedence.

What are Variables?

Reusing Variable Names

Things on the Right Go First

Quiz on Variables

Built-in Class: Numeric

Go hands-on with numeric operations, including Integers, Floats, and practical exercises.

Working with Numbers

Quiz on Numerics

Exercise 1: Playing with Numbers

Exercise 2: Finding Modulo

Exercise 3: Even or Odd?

Built-in Class: String

Grasp the fundamentals of Ruby strings, including manipulation, interpolation, and common string methods.

Working with Strings

String Interpolation

Quiz on Strings

Exercise 1: Concatenate Substrings

Exercise 2: Padding and Justifying

Exercise 3: Convert String to Float

Exercise 4: Prepend a String

Exercise 5: Remove Characters from a String

Built-in Classes: TrueClass, FalseClass, and NilClass

Take a look at Ruby's true, false, and nil objects representing truth values and absence.

The true, false, and nil Objects

Built-in Class: Symbol

1 Lesson

Investigate the unique role of symbols as memory-efficient string alternatives in Ruby.

Built-in Class: Array

10 Lessons

Test your understanding of arrays in Ruby with versatile exercises and practical manipulation tasks.

Built-in Class: Hash

7 Lessons

Learn how to use hashes, their syntax, methods, and practical exercises in Ruby.

Objects

10 Lessons

Unpack the core of objects, classes, and methods in Ruby programming.

10.

Methods

13 Lessons

Master the steps to creating, using, and combining methods, including defining scopes and returning values.

11.

Operators are Methods

6 Lessons

Break down complex ideas in Ruby operators and their behavior as methods.

12.

Blocks

11 Lessons

Take a closer look at Ruby blocks, various syntaxes, arguments, return values, iterators, and practical exercises.

Get Ready for Some More Drill!

Project

13.

Conditionals

6 Lessons

Investigate Ruby conditionals, shorthand syntax, return values, truthiness, and practical exercises.

14.

Coding Challenge: Truthiness and Equivalence

2 Lessons

Test your understanding of truthiness and object equivalence through coding challenges.

Lets Run Another Lap with Hashes

Project

15.

Writing Classes

14 Lessons

Learn how to use classes, methods, variables, and object interactions in Ruby.

The Mailbox Project

Project

16.

Spotlight on Things Unremarked

11 Lessons

Walk through Ruby's top-level object, escape sequences, syntax alternatives, and method usage.

17.

Advanced Topics

8 Lessons

Work your way through advanced Ruby topics including libraries, modules, private methods, and regex.

18.

Your Toolkit

4 Lessons

Grasp the fundamentals of essential tools like text editors, terminals, and IRB for Ruby programming.

19.

Appendix: Mailbox Project Prerequisite

1 Lesson

Solve problems in HTML for creating and displaying webpage structures in the browser.

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