Ruby Essential Training Part 1: The Basics

Learn the fundamentals of Ruby, the popular object-oriented programming language, starting with object types, control structures, code blocks, and defining custom methods.

Introduction

• Learn the basics of Ruby
• Get the most out of the exercise files

1. Get Started with Ruby

• Introducing Ruby
• Install Ruby on a Mac
• Install Ruby on Windows
• Using Ruby
• Interactive Ruby Shell (IRB)
• Documentation

2. Ruby Object Types

• Objects
• Variables
• Numbers: Integers
• Numbers: Floats
• Strings
• Strings: Escaping and interpolation
• Arrays
• Array methods
• Hashes
• Symbols
• Booleans
• Ranges
• Constants
• Nil
• Challenge: Roman numerals
• Solution: Roman numerals

3. Control Structures

• About control structures
• Conditionals: if, else, elsif
• Conditionals: unless
• Conditionals: case
• Conditionals: Shorthand operators
• Loops
• Iterators
• Challenge: Blanket patterns
• Solution: Blanket patterns

4. Ruby Scripting

• Best practices
• Exit a running script
• Input and output
• Challenge: Guessing game
• Solution: Guessing game

5. Enumerables and Code Blocks

• Enumerables
• What is a code block?
• Find methods
• Map methods
• Inject methods
• Sort methods
• Merge methods
• Challenge: Ruby blanks
• Solution: Ruby blanks

6. Custom Methods

• Define and call methods
• Variable scope
• Arguments
• Argument default values
• Return value
• Return multiple values
• Challenge: Pig Latin
• Solution: Pig Latin

Conclusion

• Next steps