Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Co(ol)routines - Javaforum Q1

Sponsored · Your Podcast. Everywhere. Effortlessly. Share. Educate. Inspire. Entertain. You do you. We'll handle the rest. →
Avatar for Ola Petersson Ola Petersson
February 21, 2019
Education
150
0

Co(ol)routines - Javaforum Q1

Slides for the javaforum gbg q1 presentation

Avatar for Ola Petersson

Ola Petersson

February 21, 2019

More Decks by Ola Petersson

See All by Ola Petersson
NDC_Oslo__DevOps_in_Real_Life_-_A_How_To.pdf
Avatar for Ola Petersson olbpetersson
0
80
Coolroutines - non-blocking Kotlin
Avatar for Ola Petersson olbpetersson
0
100
JWTB - Begin EventSourcing With Lagom
Avatar for Ola Petersson olbpetersson
0
120
Begin EventSourcing with Lagom - Javaforum Q4 2017
Avatar for Ola Petersson olbpetersson
0
88
Begin Event Sourcing with Lagom
Avatar for Ola Petersson olbpetersson
2
200
JavaOne - Reactive Java EE
Avatar for Ola Petersson olbpetersson
0
150
JHipster - The best way to breed a new app
Avatar for Ola Petersson olbpetersson
0
850
Reactive Java EE
Avatar for Ola Petersson olbpetersson
0
360

Other Decks in Education

See All in Education
Examen de Selectividad. Geografía junio 2026 (Convocatoria Ordinaria). UCLM
Avatar for Juan Martín Martín juanmartin2026
0
360
Examen de Selectividad. Geografía julio 2026 (Convocatoria Extraordinaria). UCLM
Avatar for Juan Martín Martín juanmartin2026
0
2.2k
プログラミング言語において文字列を複数行にわたって だらだらと記載するアレ
Avatar for sapi_kawahara sapi_kawahara
0
160
Course Review - Lecture 13 - Next Generation User Interfaces (4018166FNR)
Avatar for Beat Signer signer
PRO
0
2.3k
Estimating Group × Time Interaction in Scale-Transformed CEFR-J Self-Assessment Scores: A Case in Study-Abroad Research
Avatar for Ken Urano uranoken
0
100
Implicit and Cross-Device Interaction - Lecture 10 - Next Generation User Interfaces (4018166FNR)
Avatar for Beat Signer signer
PRO
2
2.3k
AIには考えられないことを考えられる人になるために
Avatar for IQBocchi iqbocchi
1
170
0415
Avatar for cbtlibrary cbtlibrary
0
210
Portable & Reproducible Research Environments in the Age of AI Agents
Avatar for Mai Nishimura denkiwakame
0
360
We部コミュニティスライド2026-04-24
Avatar for junhat6 junhat6
0
190
AI-Based Speaking Assessment of a Short-Term Study Abroad Program
Avatar for Ken Urano uranoken
0
330
参加制約理論
Avatar for roadofhope roadofhope
0
120

Featured

See All Featured
ReactJS: Keep Simple. Everything can be a component!
Avatar for Pedro Nauck pedronauck
666
130k
Ecommerce SEO: The Keys for Success Now & Beyond - #SERPConf2024
Avatar for Aleyda Solis aleyda
1
2k
First, design no harm
Avatar for Per Axbom axbom
PRO
2
1.2k
Designing Powerful Visuals for Engaging Learning
Avatar for Mike Taylor tmiket
1
420
The AI Search Optimization Roadmap by Aleyda Solis
Avatar for Aleyda Solis aleyda
1
5.9k
ラッコキーワード サービス紹介資料
Avatar for ラッコ株式会社 rakko
1
3.7M
Product Roadmaps are Hard
Avatar for C. Todd Lombardo iamctodd
PRO
55
12k
SEOcharity - Dark patterns in SEO and UX: How to avoid them and build a more ethical web
Avatar for Sara Fernández Carmona sarafernandez
0
210
Optimising Largest Contentful Paint
Avatar for Harry Roberts csswizardry
37
3.7k
HU Berlin: Industrial-Strength Natural Language Processing with spaCy and Prodigy
Avatar for Ines Montani inesmontani
PRO
0
410
Joys of Absence: A Defence of Solitary Play
Avatar for Sebastian Deterding codingconduct
1
400
We Have a Design System, Now What?
Avatar for Morgane Peng morganepeng
55
8.2k

Transcript

  1. CO(OL)ROUTINES NON-BLOCKING KOTLIN

  2. OLA PETERSSON @gotoola [email protected]

  3. None

  4. JUNE, 2018 MISSION: TOP SECRET

  5. TOTWOWITOTTOTEROR

  6. T.W.I.T.T.E.R

  7. “EVERY SECOND, ON AVERAGE, AROUND 6,000 T.W.E.E.T.S. ARE TWEETED ON

    T.W.I.T.T.E.R.”

  8. SO WE NEED TO BE FAST

  9. None
  10. None
  11. None

  12. COROUTINES

  13. COROUTINES ARE LIGHTWEIGHT THREADS

  14. THREAD

  15. THREAD

  16. COROUTINE

  17. COROUTINE

  18. @SinceKotlin("1.1") public interface Continuation<in T> { public val context: CoroutineContext

    public fun resume(value: T) public fun resumeWithException(e: Throwable) }

  19. public static Object getPizzaSlices(@NotNull Continuation c)

  20. None
  21. None

  22. HOW DO WE WRITE ASYNC CODE?

  23. DO YOU EVEN SPEAK FUTURE?

  24. SHARED MUTABLE STATE

  25. COROUTINESCOPE AND LIFECYCLES

  26. NOW WHAT? STRUCTURED CONCURRENCY COROUTINE SCOPE DISPATCHERS (THREAD POOLS) KTOR

    - A KOTLIN FRAMEWORK

  27. HTTP://SLIDES.OLAPETERSSON.SE

  28. HTTP://KOTLIN.OLAPETERSSON.SE

  29. THANKS!