Skill Topic · Cinematic

📘 Kotlin — Inheritance & Interfaces

Code reuse + polymorphism — OOP ka sabse powerful concept! 🧬

Topic 1

📌 1. Inheritance Basics

📚 ` ╔═══════════════════════════════════════╗ ║ Animal (open) ║ ║ ─ name, sound() ║…

Topic 2

💡 `kotlin // ═══ Parent with primary constructor ═══ open class Vehicle(val brand: String,…

Topic 3

🎯 `kotlin open class Shape(val color: String) { open fun draw() { println("Drawing $color…

Topic 4

⭐ `kotlin // ═══ Abstract class — instantiate nahi kar sakte ═══ abstract class Payment(val…

Topic 5

🔑 `kotlin // ═══ Interface — contract define karo ═══ interface Clickable { fun click() //…

Topic 6

✨ `kotlin interface Identifiable { val id: String // Abstract property val label: String //…

Topic 7

🌟 ` ╔════════════════════╦═══════════════════╦═══════════════════╗ ║ Feature ║ Abstract…

Topic 8

🚀 `kotlin open class Base { open fun method1() = "Base.method1" open fun method2() =…

Topic 9

📚 `kotlin open class MediaItem(val title: String) class Song(title: String, val artist:…

Topic 10

💡 `kotlin // ═══ E-Commerce system ═══ interface Discountable { fun applyDiscount(percent:…

Topic 11

🎯 KEY POINTS: - open: class/method ko inheritable banana ke liye (default = final) -…

Quick Quiz

📘 Kotlin — Inheritance & Interfaces ka sabse sahi definition kya hai?

Complete! 🎉

Aliens School · HIEN · Cinematic Knowledge

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