Skill Topic · Cinematic

📘 Kotlin — Object & Companion

Singleton, factory methods, aur static-like behavior — object keyword se sab! 🏭

Overview

📘 Kotlin — Object & Companion — Quick Facts

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Topic 1

📚 `kotlin // ═══ object = Singleton — bus ek instance, guaranteed! ═══ object…

Topic 2

💡 `kotlin interface EventListener { fun onClick(id: String) fun onHover(id: String) } fun…

Topic 3

🎯 `kotlin class User private constructor( val id: Int, val name: String, val email: String…

Topic 4

⭐ `kotlin class ApiClient { // ═══ Named companion object ═══ companion object Factory {…

Topic 5

🔑 `kotlin interface JsonFactory<T> { fun fromJson(json: String): T } data class Product(val…

Topic 6

✨ `kotlin class Config(val settings: Map<String, String>) { companion object } // ═══…

Topic 7

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

Topic 8

🚀 `kotlin // ═══ Pattern 1: Registry / Manager ═══ object EventBus { private val listeners…

Topic 9

📚 KEY POINTS: - object: singleton — ek hi instance, class + instance ek saath - object…

Quick Quiz

📘 Kotlin — Object & Companion ka sabse sahi definition kya hai?

Complete! 🎉

Aliens School · HIEN · Cinematic Knowledge

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