Rockstar Night: Modern Java world

19:00-22:30 17 May 2019
Kyiv, iHUB Khreschatyk St, 10, Kyiv, Ukraine
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Agenda

  • String and Text Processing in Java on a Scale (Kyrylo Holodnov, Yaroslav Yermilov - Software Engineers @Grammarly)

    Our Java applications handle millions of strings per second. We work with different platforms, including mobile. On a scale, even rare things happen. You can bet that eventually, an innocent text will crash your server… or the whole cluster. Over the years we have tried many performance tricks. Or should we call it premature optimizations?

    In this talk, we’ll share what we have learned about heavy string processing in Java:

    – Upgrading to Java 11. New java.util.String – expectations and reality
    – JVM string optimizations and hacks – which ones do you need?
    – Tips for fast and robust regular expressions
    – Emoji that make you cry
    – Services in other languages – what is the true length of my Java string?”

  • How to live in modern Java world (Oleksandr Navka - Software Engineers @GlobalLogic)

    Starting from January 2019 Java 8 is end of life. Last public update was published and no more updates are expected. Most Java applications are using JDK 8. What they have to do? What are the available options? The most obvious option is to move towards Java 11 as new LTS version. What problems are expected? Is it possible to make this process step by step? I'll provide information about my experience of moving project on Java 11 and pitfalls behind that. If it is not an option for your project there is alternative JDKs that will provide support for Java 8 for few more years. Let's not make panic that from now Java is not free and choose the best option for project

  • Cool beer after-party!!!

Speakers

  • Kyrylo Holodnov

    Having almost seven years of professional experience in Java/Java EE development, Kyrylo has worked at NetCracker, Infopulse, Yandex before joining Grammarly team. He also studied computer science at Yandex School of Data Analysis. Primary interests are distributed systems, Java development, machine learning and information retrieval.

  • Yaroslav Yermilov

    Software Engineer in the Core Services team at Grammarly. Maintains and develops parts of high-loaded text processing pipeline. Has seen algorithms during everyday work, not only during coding interview.

  • Oleksandr Navka

    Software Engineer with 6 year of experience. I have provided a lot of trainings of Java and frameworks as Spring and Hibernate. Very like Java ecosystem and JVM languages like Kotlin. Happy to be a part of Java community

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