<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Object-Oriented Programming on NineKoo9's story</title><link>https://NineKoo9.github.io/ja/tags/object-oriented-programming/</link><description>Recent content in Object-Oriented Programming on NineKoo9's story</description><generator>Hugo -- gohugo.io</generator><language>ja</language><copyright>© 2026 NineKoo9</copyright><lastBuildDate>Mon, 09 Mar 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://NineKoo9.github.io/ja/tags/object-oriented-programming/index.xml" rel="self" type="application/rss+xml"/><item><title>[OOP] オブジェクト指向設計：メッセージパッシングと役割・責任</title><link>https://NineKoo9.github.io/ja/posts/oop-message-passing/</link><pubDate>Mon, 09 Mar 2026 00:00:00 +0000</pubDate><guid>https://NineKoo9.github.io/ja/posts/oop-message-passing/</guid><description>お客さんとバリスタの例を通して、誰が要求を始めるのか、なぜメソッド名が受信オブジェクトの責任を基準に決まるのか、なぜ具体型への依存が結合度を高めやすいのかをまとめます。</description></item></channel></rss>