Asynchronous Programming in Java: Options to Choose from By Venkat Subramaniam

Java has had parallel and concurrent programming facilities from the start. In the recent years the business has needed as much, if not more, asynchronous capabilities, with webservices and microservices. In this session we will discuss the various options available, such as completable futures, reactive steams, and the newer virtual threads and discuss which options are better suited and why. VENKAT SUBRAMANIAM Dr. Venkat Subramaniam is an award-winning author, founder of Agile Developer, Inc., and an instructional professor at the University of Houston. He has trained and mentored thousands of software developers in the US, Canada, Europe, and Asia, and is a regularly-invited speaker at several international conferences. Venkat helps his clients effectively apply and succeed with sustainable agile practices on their software projects. Venkat is a (co)author of multiple technical books, including the 2007 Jolt Productivity award winning book Practices of an Agile Developer. You can find a list of his books at https://www.agiledeveloper.com. You can reach him by email at venkats@agiledeveloper.com or on twitter at @venkat_s.

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Java 21 By Brian Goetz

Modern application development is unrecognisable without Java. For more than 28 years, Java has empowered developers to create the next generation of rich, scalable, and secure applications. In this keynote, Brian Goetz (Java Language Architect, Oracle) offers insight and updates from the recent Java 21 release as well as covering how Oracle’s ongoing Java technology leadership and community stewardship are driving the developer ecosystem forward. BRIAN GOETZ Brian Goetz is the Java Language Architect at Oracle and was the specification lead for JSR-335 (Lambda Expressions for the Java Programming Language). He is the author of Java Concurrency in Practice and over 75 articles about Java development.

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Know your Java? By Venkat Subramaniam

Really? You may wonder. This is 2023 and do we all not know Java already really well. Most of us do and yet there are so many things we tend to not realize until those things bite us in the back. This is not an introductory session on Java but one in which we will take existing code, discuss its behavior, look into surprises it holds. These are scenarios that either the speaker has stubbed his toes on or things he has been other developers stub their toes, from practical every day realistic code. We will take a number of working examples, ask you to identify the behavior, then run the code to see what it really does, and discuss the underlying concepts or the lessons we need to carry forward to avoid falling into traps or developing code that may cause issues in the future. VENKAT SUBRAMANIAM Dr. Venkat Subramaniam is an award-winning author, founder of Agile Developer, Inc., and an instructional professor at the University of Houston. He has trained and mentored thousands of software developers in the US, Canada, Europe, and Asia, and is a regularly-invited speaker at several international conferences. Venkat helps his clients effectively apply and succeed with sustainable agile practices on their software projects. Venkat is a (co)author of multiple technical books, including the 2007 Jolt Productivity award winning book Practices of an Agile Developer. You can find a list of his books at https://www.agiledeveloper.com. You can reach him by email at venkats@agiledeveloper.com or on twitter at @venkat_s.

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Teaching old Streams new tricks By Viktor Klang

Have you ever wanted to perform an operation on a java.util.stream.Stream only to find that the existing set of operations didn't provide what you needed—forcing you to break out early from the Stream and perform the logic outside of it? As a matter of fact, java.util.stream was the first JDK API designed with lambdas in mind and was initially released in JDK 1.8, and ever since then it has allowed Java developers to ergonomically manipulate potentially unbounded streams of data. While the Streams API offers a rich set of operations out-of-the-box, it was always envisioned to offer the capability for user-defined intermediate operations, yet at that time the right way to expose that hadn't been discovered. Until now. In this session we'll demonstrate Gatherers, a potential future API to create and reuse intermediate operations for java.util.stream.Stream, enabling you to perform custom transformations as natural steps in your day-to-day stream processing. Together, let us teach our old streams some new tricks! VIKTOR KLANG Viktor is a software architect in the Java Platform Group at Oracle. In his professional career, spanning over more than two decades, he has focused on enabling developers to solve problems with maximal productivity without sacrificing maintainability. Specializing in developer ergonomics in the realm of concurrent, parallel, and distributed programming; he has contributed to the standard libraries of several major programming languages, been involved in more than a dozen Open Source projects, and has spoken at numerous conferences and universities.

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