Ruby Essential Training Part 2: Classes and Modules

Learn how to define custom classes and modules in Ruby for more efficient, maintainable, and scalable code.

Introduction

• Learn to use custom classes in Ruby
• What you need to know
• Get the most out of the exercise files

1. Classes

• Define a class
• Instances
• Attributes
• Reader and writer methods
• Attribute methods
• Method access control
• Initialize method
• Challenge: Dice
• Solution: Dice

2. Class Attributes and Methods

• Class methods
• Class attributes
• Class reader and writer methods
• Challenge: Radio
• Solution: Radio

3. Inheritance

• Class inheritance
• Override and extend
• Access the superclass
• Challenge: Secure radio
• Solution: Secure radio

4. Dates and Times

• Time
• Date
• DateTime
• Challenge: Birthdate analysis
• Solution: Birthdate analysis

5. Modules

• Namespacing
• Mixins
• Load, require, and include
• Challenge: To-do list
• Solution: To-do list

6. Exceptions

• Handle exceptions
• Handle specific exceptions
• Exception methods
• Raise exceptions
• Custom exceptions
• Challenge: Custom exceptions

Conclusion

• Next steps