Skill Topic · Cinematic

📘 Kotlin — Sealed Classes & Value Classes

Sealed = restricted hierarchy, Value = lightweight wrapper — advanced type safety! 🔐

Topic 1

📌 1. Sealed Class Basics

📚 ` ╔═══════════════════════════════════════════════╗ ║ sealed class Result<T> ║…

Topic 2

💡 ` ╔═════════════════╦═══════════════════╦═══════════════════╗ ║ Feature ║ enum class ║…

Topic 3

🎯 `kotlin // ═══ Sealed interface — even more flexible ═══ sealed interface NetworkState {…

Topic 4

⭐ `kotlin // ═══ Pattern 1: API Response ═══ sealed class ApiResponse<out T> { data class…

Topic 5

🔑 `kotlin sealed class Expression { data class Number(val value: Double) : Expression()…

Topic 6

✨ `kotlin // ═══ Value class — zero-overhead wrapper ═══ // Runtime me wrapper object NAHI…

Topic 7

🌟 `kotlin // ═══ Problem: primitive obsession ═══ // fun transfer(from: Long, to: Long,…

Topic 8

🚀 ` ╔═══════════════════════════════════════════════════════╗ ║ Value Class Rules ║…

Topic 9

📚 KEY POINTS: - sealed class: restricted hierarchy — sab subclasses same package me - when…

Quick Quiz

📘 Kotlin — Sealed Classes & Value Classes ka sabse sahi definition kya hai?

Complete! 🎉

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