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🏬 Java Inner Classes — Department Store aur Mall System! 🏢🏬

⬅️ Previous: Interfaces | 🏠 INDEX | ➡️ Next: Generics

Overview

🏬 Java Inner Classes — Department Store aur Mall System! 🏢🏬 — Quick Facts

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[🏠 INDEX](./00_INDEX.md): ➡️ Next: Generics

Topic 1

🏬 Real-World Analogy: Department Store aur Mall System 🏢🏬

📚 Inner Classes ek Mall ke andar Shops hain — Mall (Outer) ke andar Shop (Inner) rahti hai,…

Topic 2

📌 1. Inner Classes ke Types — Mall ka Map 🗺️

💡 `mermaid graph TD A["🏬 Inner Classes<br>Java"] --> B["🏪 Member Inner<br>non-static"] A…

Topic 3

📌 2. Member Inner Class — Mall ka Permanent Shop 🏪

🎯 `java // 🏬 Outer class = Mall: class University { private String name; // Mall ka naam —…

Topic 4

📌 3. Static Nested Class — Mall ka Builder Office 🏗️

⭐ `java class Database { // Static field — blueprint level info: private static String…

Topic 5

📌 4. Local Inner Class — Temporary Pop-up Store 📦

🔑 `java public class LocalInnerClass { public static void main(String[] args) { // 📦 Local…

Topic 6

📌 5. Anonymous Inner Class — Ek-Din ka Stall 🎭

✨ `java // Interface — contract: interface Greeting { void greet(String name); } //…

Topic 7

📌 6. Comparison Table — Sabka Comparison 📊

🌟 `mermaid graph LR A["🏪 Member Inner"] -->|"Outer instance<br>chahiye"| B["Private access…

Topic 8

📌 7. Practical — Event System 📡

🚀 `java import java.util.ArrayList; import java.util.List; // 📡 Event System — inner…

Topic 9

❌ Common Mistakes (Galti Chart)

📚 | # | Galat ❌ | Sahi ✅ | Kyun? | |---|---------|--------|-------| | 1 | new InnerClass()…

Topic 10

🧪 Practice Exercises

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VehicleFactory outer class (name,…

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Car member inner class — outer ke…

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Bike member inner class — outer ke…

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Display method for both

Topic 11

✅ Summary Table

🎯 | Topic | Key Point | |:-----:|:---------:| | Member Inner | Outer instance chahiye,…

Comparison

📌 6. Comparison Table — Sabka Comparison 📊

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:-------:: :----------:

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Outer instance: Chahiye ✅

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Static members: ❌

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quick Quiz

Quiz — Question 1

🏬 Java Inner Classes — Department Store aur Mall System! 🏢🏬 ka sabse sahi definition kya hai?

Complete! 🎉

🏬 Java Inner Classes — Department Store aur Mall System! 🏢🏬 Complete!

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