Voxxed Athens 2018 - Why Kotlin? by Antonis Lilis

1. Why Kotlin?

2. Learn Kotlin in 45'

3. Why Kotlin?

4. Some History
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5. The Kotlin Language
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6. Constants and Variables
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No
semicolon
here ;)

7. Control Flow
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8. Functions
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9. Functions
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Simple string
Interpolation

10. Classes
data classes:
autogenerated
implementations of
universal methods
(equals, hashCode
etc)

11. Modifiers
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○ "Design and document for inheritance
or else prohibit it"
Joshua J. Bloch, Effective Java
ps. Lukas Lechner has written a series of articles on
"How Effective Java influenced Kotlin" (http://lukle.at)
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12. Properties
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13. No static keyword
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14. Extensions
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15. Null Checks
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"I call it my billion-dollar mistake.
It was the invention of the null reference in 1965"
Tony Hoare

16. Not-null assertion operator !!

17. Safe Casting
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18. Lamdas and Higher Order Functions

19. Collections
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Chained
Calls

20. Delegation
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Class Car inherits from an interface Nameable
and delegates all of its public methods to a
delegate object defined with the by keyword

21. Domain-specific language construction
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23. Hello World
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24. Let’s Mix with some Java

25. Java from Kotlin
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26. Convert Java to Kotlin

27. Utility
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28. Kotlin from Java
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29. Libraries & Resources
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[REF: Jetbrains Kotlin blog]

30. Kotlin also lives outside the JVM
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[REF: Jetbrains Kotlin blog]

31. Any Disadvantages?
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32. Name shadowing
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33. Null Safety vs Java Interoperability

34. In my

35. My World

36. Met Java in 2000
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37. Java was Cool
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38. Hardcore Devs
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39. Two decades later
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40. Why Kotlin?

41. Final Thoughts
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[REF: Pinterest Engineering]
I am HERE!

42. Questions?
Thank you!