My latest presentation about Introduction to Kotlin programming language, source code https://github.com/Ahmad-Mahagna/kotlin-demo

1. Ahmad Mahagna

2. Agenda
● What is Kotlin ?
● Why Kotlin ?
● Kotlin overview
● Kotlin syntax basics
● Mix Java and Kotlin code
● Kotlin exercises

3. What is Kotlin?

4. What is Kotlin?

5. What is Kotlin?
● Programming language 2010
● JetBrains
● Statically
● Runs on JVM
● OO at core
● FP-friendly
● 100% interoperable with java
● A first-class language for writing android apps

6. Why Kotlin?

7. Kotlin Advantages
● Easy to learn
● JetBrains again
● Comes from industry, not academia.
● Modern syntax & concepts
● Avoid Java’s bolierplate
● Focuses on pragmatism

8. Get ready to fly

9. Get ready to fly

10. Java Basics

11. No Additional Tools And IDEAs
IntelleJ IDEA

12. VIP Lounge
https://try.kotlinlang.org

13. Kotlin Island
Kotlin Island
Kotlin Island
Kotlin Island

14. Kotlin Island
Kotlin Island
Kotlin Island
Kotlin Island

15. Big Visitors

16. Safety Tips

17. Behind the scene
*.jar*.classkotlinc
*.java javac *.class
*.kt
App
Java
Runtime
Kotlin
Runtime

18. Get ready - run IntelliJ

19. Unfasten your seatbelt...

20. Demo Time

21. Null Safety

22. Smart Cast

23. Equality

24. IF Condition

25. When

26. Data Class

27. Extension

28. Collection

29. Sealed

30. https://github.com/KotlinBy/awesome-
otlin
Awesome Kotlin

31. HomeWork
https://play.kotlinlang.org/koans/overview

32. Next 100 miles
● Multithreading
● Kotlin-React
● Wasabi / Ktor Framework
● Kara Web Framework
● Unit Test in Kotlin
● ...
Java Kotlin
Next Session

33. Q & A

34. Thank you