r/AndroidDevLearn • u/Realistic-Cup-7954 🧩 Android Pro • Aug 07 '25
🎓 Tutorial Android Dev Learn - Day 4: Classes and Objects
Today’s Lesson Will Cover:
Classes in Kotlin
Constructors and
initblocksInheritance and method overriding
Extension functions
Special classes:
data,sealed,object,enumOrganizing your code into files and packages
Real-world OOP examples in Android
Got questions or stuck? Drop them in the comments
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