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object-oriented-programming

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object-oriented-programming

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SKILL.md

日本語版

Object-Oriented Programming (OOP) Complete Guide

A comprehensive guide to understanding and effectively applying object-oriented programming. Covers the four pillars, SOLID principles, design patterns, and anti-patterns with MIT-level quality.

Target Audience

Engineers who want to systematically learn OOP from fundamentals to advanced topics
Developers seeking practical understanding of SOLID principles and design patterns
Anyone looking to sharpen their judgment on "inheritance vs composition" and "when to use OOP"

Prerequisites

Programming basics (variables, functions, control flow)
Experience with at least one programming language

Guide Index

00-introduction (Introduction)

File	Topic	Summary
00-what-is-oop.md	What is OOP	The essence of object-oriented thinking, mental models, and how it fits among other paradigms
01-history-and-evolution.md	History and Evolution of OOP	Evolution from Simula to Smalltalk to C++ to Java to modern languages
02-oop-vs-other-paradigms.md	OOP vs Other Paradigms	Comparison with procedural, functional, and reactive paradigms; when to use each
03-class-and-object.md	Classes and Objects	Internal structure of classes, memory layout, constructors, static members

01-four-pillars (The Four Pillars)

File	Topic	Summary
00-encapsulation.md	Encapsulation	Information hiding, access modifiers, immutable objects, the getter/setter debate
01-inheritance.md	Inheritance	Single/multiple inheritance, the diamond problem, abstract classes, pitfalls of inheritance
02-polymorphism.md	Polymorphism	Subtype, parametric, and ad-hoc polymorphism; dynamic dispatch; virtual function tables
03-abstraction.md	Abstraction	Interface design, abstract classes vs interfaces, leaky abstractions

02-design-principles (Design Principles)

File	Topic	Summary
00-solid-overview.md	SOLID Principles Overview	The big picture of all five principles, why SOLID matters, criteria for applying them
01-srp-and-ocp.md	SRP + OCP	Single Responsibility Principle, Open/Closed Principle, practical examples
02-lsp-and-isp.md	LSP + ISP	Liskov Substitution Principle, Interface Segregation Principle
03-dip.md	DIP	Dependency Inversion Principle, Dependency Injection (DI), IoC Containers

03-advanced-concepts (Advanced Concepts)

File	Topic	Summary
00-composition-vs-inheritance.md	Composition vs Inheritance	Why "favor composition over inheritance," practical decision criteria
01-interfaces-and-traits.md	Interfaces and Traits	Implementations in Java/TypeScript/Rust/Go, duck typing
02-mixins-and-multiple-inheritance.md	Mixins and Multiple Inheritance	Python MRO, Ruby modules, TypeScript Mixins
03-generics-in-oop.md	Generics in OOP	Type parameters, covariance/contravariance, type erasure vs monomorphization

04-practical-patterns (Practical Patterns)

File	Topic	Summary
00-creational-patterns.md	Creational Patterns	Factory, Builder, Singleton, Prototype
01-structural-patterns.md	Structural Patterns	Adapter, Decorator, Facade, Proxy, Composite
02-behavioral-patterns.md	Behavioral Patterns	Strategy, Observer, Command, State, Iterator
03-anti-patterns.md	Anti-Patterns	God Object, deep inheritance hierarchies, Anemic Domain Model

Learning Path

Fundamentals:  00-introduction -> 01-four-pillars
Principles:    02-design-principles (SOLID)
Applied:       03-advanced-concepts -> 04-practical-patterns

Related Skills

Maintainer

Gaku52 Core maintainer

Source details

Full Name: Gaku52/claude-code-skills
Branch: main
Path in repo: 02-programming/object-oriented-programming
License: MIT License
Topics: claude-code ai-coding developer-tools knowledge-base software-engineering learning-resources

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