Aliens School
Cinematic Knowledge Experience
0%
Aliens School
Now Playing
Aliens School ยท HIEN
โŒจ๏ธ Keyboard Shortcuts
โ†’Next slide โ†Previous slide SpacePlay / Pause MNarration on/off FFullscreen ?Show/hide this
Press any key to close
Skill Topic ยท Cinematic

๐Ÿ“˜ Kotlin โ€” Inheritance & Interfaces

Code reuse + polymorphism โ€” OOP ka sabse powerful concept! ๐Ÿงฌ

Topic 1
๐Ÿ“š

๐Ÿ“Œ 1. Inheritance Basics

๐Ÿ“š ` โ•”โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•— โ•‘ Animal (open) โ•‘ โ•‘ โ”€ name, sound() โ•‘โ€ฆ
Topic 2
๐Ÿ’ก ๐Ÿ“Š ๐Ÿ”ฌ

๐Ÿ“Œ 2. Constructor Inheritance

๐Ÿ’ก `kotlin // โ•โ•โ• Parent with primary constructor โ•โ•โ• open class Vehicle(val brand: String,โ€ฆ
Topic 3
๐Ÿ”’

๐Ÿ“Œ 3. super Keyword

๐ŸŽฏ `kotlin open class Shape(val color: String) { open fun draw() { println("Drawing $colorโ€ฆ
Topic 4
๐Ÿ“ฅ โš™๏ธ ๐Ÿ”ฌ ๐Ÿ’ก

๐Ÿ“Œ 4. Abstract Classes

โญ `kotlin // โ•โ•โ• Abstract class โ€” instantiate nahi kar sakte โ•โ•โ• abstract class Payment(valโ€ฆ
Topic 5
๐Ÿ“ฅ โš™๏ธ ๐Ÿ”ฌ ๐Ÿ’ก

๐Ÿ“Œ 5. Interfaces

๐Ÿ”‘ `kotlin // โ•โ•โ• Interface โ€” contract define karo โ•โ•โ• interface Clickable { fun click() //โ€ฆ
Topic 6
โœจ ๐Ÿ“Š ๐Ÿ”ฌ

๐Ÿ“Œ 6. Interface with Properties

โœจ `kotlin interface Identifiable { val id: String // Abstract property val label: String //โ€ฆ
Topic 7
โœจ

๐Ÿ“Œ 7. Abstract vs Interface

๐ŸŒŸ ` โ•”โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•ฆโ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•ฆโ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•— โ•‘ Feature โ•‘ Abstractโ€ฆ
Topic 8
๐Ÿš€

๐Ÿ“Œ 8. open, final, override

๐Ÿš€ `kotlin open class Base { open fun method1() = "Base.method1" open fun method2() =โ€ฆ
Topic 9
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

๐Ÿ“Œ 9. Type Checking & Casting

๐Ÿ“š `kotlin open class MediaItem(val title: String) class Song(title: String, val artist:โ€ฆ
Topic 10
๐Ÿ’ก ๐Ÿ“Š ๐Ÿ”ฌ

๐Ÿ“Œ 10. Real-World Example

๐Ÿ’ก `kotlin // โ•โ•โ• E-Commerce system โ•โ•โ• interface Discountable { fun applyDiscount(percent:โ€ฆ
Topic 11
๐Ÿ“ฅ โš™๏ธ ๐Ÿ”ฌ ๐Ÿ’ก

โœ… Summary

๐ŸŽฏ KEY POINTS: - open: class/method ko inheritable banana ke liye (default = final) -โ€ฆ
Quick Quiz
๐Ÿง  QUIZ TIME

Quiz โ€” Question 1

๐Ÿ“˜ Kotlin โ€” Inheritance & Interfaces ka sabse sahi definition kya hai?

Complete! ๐ŸŽ‰
COMPLETE

๐Ÿ“˜ Kotlin โ€” Inheritance & Interfaces Complete!

Aliens School ยท HIEN ยท Cinematic Knowledge

โœ…

๐Ÿ“˜ Kotlin โ€” Inheritance & Interfaces Complete

1/14
0:00
REC 00:00ESC=Cancel
Aliens School
3
Recording shuru hone wali hai...
โœ…
Recording Complete
Video process ho rahi hai...
Live Class
Slide 1 / 7
Timer
00:00
๐Ÿ“ Speaker Notes
โ€”
โญ๏ธ Up Next
โ€”
โ€”
๐Ÿ—‚๏ธ All Slides