feat: 2025.07.27 new post

rojae · rojae · commit 9b2f270d01a0 · 2025-07-27T14:21:05.000Z
diff --git a/_posts/oop.md b/_posts/oop.md
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+---
+title: OOP
+author: rojae
+date: 2025-07-27 23:20:15 +0900
+published: false
+categories: [backend]
+tags: [java, spring, oop]
+mermaid: true
+---
+
+## oop 입문강의
+
+### 객체란?
+
+### 절차지향과 객체지향의 차이는?
+
+### 캡슐화의 본질적인 목적
+
+### Tell, Don't ask
+
+### Law of Demeter
+
