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JCON 2021

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09:00 CEST

Docker Who: Small Containers Through Time and Space #1 Main EN onlyDmitry Chuyko

10:00 CEST

Getting Started with Jakarta NoSQL and MongoDB #3 Java Cloud NativeMichael Redlich Sustainability in software engineering - how to fight climate change as a software engineer #1 Main EN onlyMartin Lippert The astonishing value of speed #4 Agile & CultureUwe Friedrichsen

11:00 CEST

Thread internals and related design patterns #1 Main EN onlyGaurav Sen What’s new in Micronaut 3.0? #3 Java Cloud NativeGraeme Rocher

12:00 CEST

Helidon on Loom #3 Java Cloud NativeTomáš Langer Software Architects and Autonomous Teams #4 Agile & CulturePascal Euhus The art of clean code #1 Main EN onlyRichard Fichtner • Chiamaka Okenwa

13:00 CEST

Effective Java SE 16 APIs/Lang features, makes your life easier #1 Main EN onlyMohamed Taman [LIVE CODING] REST in peace, Apache Kafka is alive #2 Main EN/DEKo Turk

14:00 CEST

Building Complex Apps with plain Web Components #1 Main EN onlyAdam Bien Live coding: Configuring your cloud-native applications with MicroProfile Config #3 Java Cloud NativeEmily Jiang Why a Diverse Team is Crucial to Startup Success #4 Agile & CultureMelissa Jurkoic

15:00 CEST

Keynote | In-Memory Data Processing with Java #1 Main EN onlySimon Ritter • Markus Kett

16:00 CEST

Howto: Options Galore to Get from Source Code to Container #2 Main EN/DEMatthias Haeussler Programming for Accessibility #4 Agile & CultureRory Preddy Ultra-fast Java In-Memory Database Apps & Microservices with MicroStream #1 Main EN onlyMarkus Kett When Quarkus Meets MicroProfile #3 Java Cloud NativeAntonio Goncalves

17:00 CEST

10 Design Tips for Java MicroServices Developers #1 Main EN onlyJim Tyrrell Logging and Testing with Helidon #3 Java Cloud NativeDavid Král

18:00 CEST

Keynote | What Would a Startup Do? #1 Main EN onlyAdam Bien

19:00 CEST

A Freakonomic Take on Open Standards and Jakarta EE #1 Main EN onlyReza Rahman Bridging the Gap Between Ops and Developers with CI/CD #5 Low-CodeNathaniel Schutta Building Futureproof APIs with Spring HATEOAS #3 Java Cloud NativeGreg Turnquist Limited work-in-progress for developers #4 Agile & CultureDmitry Kandalov

20:00 CEST

Micro-services for a Billion people #1 Main EN onlyTejas Chopra Which JVM Version are you using and why is it still Java 8? #3 Java Cloud NativeCarlos Barragan You are Moldable, Yes? : But, how to NOT leave all the molding to others to thrive ! #4 Agile & CultureSneha Singla

09:00 CEST

Building a typical Spring Cloud architecture application #3 Java Cloud NativeTimo Salm Building GraphQL APIs with Java #1 Main EN onlyNils Hartmann Loosely or lousily coupled? Understanding communication patterns in microservices architectures #5 ArchitectureBernd Ruecker The emergence of APM in cloud application development #4 Cloud PlatformsVipin Menon

10:00 CEST

Application Configuration on AWS for Spring Boot-based applications #3 Java Cloud NativeDiana Cheng Do You Need Kubernetes or a PAAS? #4 Cloud PlatformsRudy De Busscher Understanding Raft Consensus #1 Main EN onlyHuseyin Babal 🤖Building a Telegram bot with Apache Kafka and ksqlDB #5 ArchitectureRobin Moffatt

11:00 CEST

AOT or JIT: Faster Startup or Faster Code? #3 Java Cloud NativeSimon Ritter Choreography vs Orchestration in serverless microservices #5 ArchitectureGuillaume Laforge • Mete Atamel Framewars: the battle between NoSQL and Java in the cloud arena #1 Main EN onlyOtavio Santana

12:00 CEST

CAP Theorem - two decades and few clouds later #3 Java Cloud NativeMike Kowalski Demystifying the Java Flight Recorder API #1 Main EN onlyKaran Balkar Measuring and increasing developer productivity with the help of Serverless #4 Cloud PlatformsVadym Kazulkin Microservices? Monoliths? An Annoying Discussion! #5 ArchitectureEberhard Wolff

13:00 CEST

Building Microservices with Helidon and Kotlin #3 Java Cloud NativeDmitry Aleksandrov Seriously gaming your cloud expertise: from cloud tourist to cloud native #4 Cloud PlatformsPiet van Dongen The Hacker's Guide to JWT Security #1 Main EN onlyPatrycja Wegrzynowicz

14:00 CEST

Cloud native Java microservices with GraalVM #3 Java Cloud NativeOleg Šelajev Ethereum for Java Developers #1 Main EN onlyKevin Wittek Fighting Climate Change by Building Sustainable Software #5 ArchitectureIoannis Kolaxis

15:00 CEST

Keynote | DDD, CQRS, and Event Sourcing, beyond the hype #1 Main EN onlyAllard Buijze

16:00 CEST

Hands-on intro to CQRS and Event Sourcing with Axon #2 Main EN/DESteven van Beelen Java applications containerized and deployed, make your buildpack edition #4 Cloud PlatformsAnthony Dahanne Java In-Memory Database-Apps with MicroStream #1 Main EN onlyFlorian Habermann

17:00 CEST

Automating & Monitoring Seedling Growth in the Cloud Using IoT, Messaging & Micronaut #4 Cloud PlatformsTodd Sharp Java: From Stateless-Serverful to Stateful-Serverless #5 ArchitectureHugh McKee RESTful Java: 2021 Edition #1 Main EN onlyAndrew McCright

18:00 CEST

Back to the CompletableFuture: Concurrency in Action #1 Main EN onlyDmitry Vinnik Exploring Stateful Microservices built with Open Liberty in Kubernetes #3 Java Cloud NativeMary Grygleski Object Compaction in Cloud for High Yield #4 Cloud PlatformsTejas Chopra Spring For Architects #5 ArchitectureNathaniel Schutta

19:00 CEST

Handling exceptions, the functional way #1 Main EN onlyJosé Luis León Integration- and conversation-patterns for microservices #4 Cloud PlatformsDirk Fröhner Paving the road with Jakarta EE and Apache TomEE #3 Java Cloud NativeCesar Hernandez What Does a Good Microservice Architecture Look Like? #5 ArchitectureCarola Lilienthal

20:00 CEST

How Microsoft Learned to Love Java #1 Main EN onlyReza Rahman Micronaut Security #3 Java Cloud NativeBurt Beckwith Newest and coolest features in Helidon #2 Main EN/DEDmitry Aleksandrov Users Don't Have to Suffer in the Cloud #5 ArchitectureMelissa Jurkoic

21:00 CEST

Keynote | Java - unlimited in the cloud #1 Main EN onlySandra Ahlgrimm

09:00 CEST

Chasing the Grail #3 Java Cloud NativeDmitry Chuyko Modularization: Foundation of Microservices and Monoliths #1 Main EN onlyEberhard Wolff You may not need JavaScript #5 Web DevelopmentSimon Martinelli

10:00 CEST

Brace for your next Race - Race conditions in Servlets and Controllers #5 Web DevelopmentGiuseppe Trovato Break free from maintenance hell with Clean Code #2 Main EN/DERichard Fichtner Multi Cloud Serverless with Micronaut & GraalVM #3 Java Cloud NativeGraeme Rocher What I Wish I Knew About Maven Years Ago #1 Main EN onlyAndres Almiray

11:00 CEST

Dirty Tests And How To Clean Them #1 Main EN onlyGil Zilberfeld Java inside Application Containers, System Containers and VMs. Differences and Use Cases #4 DevOpsTetiana Fydorenchyk Will Git Be Around Forever? A List of Possible Successors #2 Main EN/DEHanno Embregts

12:00 CEST

Automate an idea to production using Spring Boot apps #4 DevOpsRory Preddy Jakarta EE Core Profile - A Slimmer Jakarta EE #1 Main EN onlyIvar Grimstad Serverless Java on Knative with Quarkus #3 Java Cloud NativePiotr Mińkowski Web Components for Java Developers #5 Web DevelopmentAlejandro Duarte

13:00 CEST

Automation is simple now using Devops #4 DevOpsOsama Mustafa How Class Data Sharing Can Speed up Your Jakarta EE Application Startup #3 Java Cloud NativeRudy De Busscher MicroProfile 4.0 and Beyond #1 Main EN onlyEmily Jiang

14:00 CEST

Jakarta EE Meets NoSQL at the cloud age #1 Main EN onlyOtavio Santana Learning by writing code and test-cases #2 Main EN/DEJoachim Reiter React in 40 minutes #5 Web DevelopmentMaarten Mulders Thriving in the cloud: Going beyond the 12 factors #3 Java Cloud NativeGrace Jansen

15:00 CEST

Keynote | Quarkus Deep-Dive #1 Main EN onlyStuart Douglas

16:00 CEST

Jakarta EE Security - Sailing Safe in Troubled Waters #1 Main EN onlyIvar Grimstad • Werner Keil State of the Java Metrics Libraries #4 DevOpsFabian Stäber

17:00 CEST

Java meets TypeScript: building a full-stack web app with Spring Boot and LitElement #5 Web DevelopmentMarcus Hellberg Landscape of MicroProfile and Jakarta EE Tools #1 Main EN onlyYee-Kang Chang • Kathryn Kodama Microservices running natively on ARM devices #3 Java Cloud NativeAndrea Battaglia • Mattia Mascia Releasing at the speed of light #4 DevOpsAndres Almiray TDD: seriously, try it! #2 Main EN/DENacho Cougil

18:00 CEST

Expanding the scope of refactoring to fix Java security problems #4 DevOpsMunawar Hafiz How and Why to Upgrade to Java 17 #2 Main EN/DEJohan Janssen Responsible Microservices #1 Main EN onlyNathaniel Schutta Supercharge your Spring Boot Apps: The Path to Production #5 Web DevelopmentSandra Ahlgrimm • Mark Heckler

19:00 CEST

Kafka as a Platform: the Ecosystem from the Ground Up #1 Main EN onlyRobin Moffatt

09:00 CEST

Decoupled serverless microservices Workshop 04Christian Müller • Dirk Fröhner MicroStream - Getting Started & Best Practice Workshop 01Florian Habermann A Guided Tour of MicroProfile 4.0 Workshop 03Rudy De Busscher Building Supersonic, Subatomic, Cloud Native Applications with Quarkus Workshop 10Antonio Goncalves

10:00 CEST

Running your Java enterprise on Open Liberty on Azure Red Hat OpenShift Workshop 06Edward Burns • Graham Charters

16:00 CEST

Translating the (event)model to code Workshop 08Ivan Dugalic • Sara Torrey Effective Kubernetes for Jakarta EE and MicroProfile Developers Workshop 07Reza Rahman

17:00 CEST

MicroStream - Getting Started & Best Practice Workshop 01Florian Habermann Cloud Native Java Made Easy with MicroProfile and Jakarta EE Workshop 09Yee-Kang Chang • Jamie Coleman • Mary Grygleski • Grace Jansen