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Kotlin @ Uberconf


Andrey Breslav

on 1 December 2012

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Transcript of Kotlin @ Uberconf

Why Web Demo:
kotlin-demo.jetbrains.com Write Kode Twit It http://kotlin-demo.jetbrains.com by Andrey Breslav Lead Language Designer ? Kotlin Java Java Kotlin Java Kotlin Timeline 2012 M1 M2 M3 Beta Use at Spec & Release (v. 1.0) Parts of Bootstrap Examples Hello, world!
Extension Functions
Higher-Order Functions
Operator Overloading
Smart Casts
Annotations Builders Type-Safe Java Platform Making a Better Place Challenge Home Page: kotlin.jetbrains.org
Web Demo: kotlin-demo.jetbrains.com
Blog: blog.jetbrains .com/kotlin
Forum: Kotlin at devnet.jetbrains.com Twitter:
@abreslav Open Source Kompiler
IntelliJ IDEA Plugin http://github.com/JetBrains/Kotlin Apache 2 License Kontribute Patches
Tools Recently Contributed Collection & IO
utilities by James Strachan Resources Smart Cast Safe Calls Data Flow Nobody likes NPEs... Ant & Maven by Evgeny Goldin Why ... not Why 1/2 Compiler X ≈ 3.5 Compilers If... If you are happy with you don't need Kotlin Swahili Rename
import Annotations
modifiers More Traits (code in interfaces)
First-class delegation
Generics with proper variance
... http://kotlin.jetbrains.org Design Goals 100% Java-compatible
Type-Safe Environment Friendly Productive Concise
Fast Well-Supported by Tools Learnable! http://github.com/jetbrains/kotlin Apache 2 License Open Source http://github.com/jetbrains/kotlin Competition:
Most retweets (minimum of 20)
By next Monday, March 26 Wins IntelliJ IDEA Ultimate What Modern Language Kotlin is... for Industry Expressive No Boilerplate Right Abstractions Type Inference
Functions as Values
... I READ much
more code
than I WRITE Joe Joe's Work Environment:
2.5 MLOC
10 Years
30 Colleagues Groovy Scala Ceylon Many things improved a lot since 1990-ties...
Full transcript