Contents

English edition with executable Ruby examples, source captions, and framework navigation.

Orientation

  1. 0Ruby for Java Developers: Course Overview
  2. TDDRuby for Java Developers: A Test-Driven Guide to This Repository
  3. ANSAnswer Key Guide

Foundations

  1. 1Ruby Basics and the First TDD Cycle
  2. 2Flexible APIs with Keyword Arguments and Blocks
  3. 3Collections and Enumerable Thinking
  4. 4Text Processing and Structured Input
  5. 5Control Flow, Nil Safety, and Exceptions

Object Design

  1. 6State, Validation, Modules, and Composition
  2. 7Behavior-Oriented Design with Duck Typing and Mixins
  3. 8Dynamic Ruby Features and Disciplined Metaprogramming
  4. 9Mini Capstone in Domain Modeling

Applied Ruby

  1. 10Build Rock-Paper-Scissors Through Small Iterations
  2. 11CSV Files, Small Data Pipelines, and Simple Queries
  3. 12SQLite Workflows from Basic Operations to Prepared Statements
  4. 13Recursion and Closures Through Small Traversal Problems
  5. 14Functional-Style Ruby for Everyday Data Problems
  6. 15reduce, each_with_object, and Accumulator Design

Appendices

  1. AAppendix A: Ruby Project Lifecycle
  2. BAppendix B: VS Code Ruby Workflow