According to a CareerBuilder study, only 40% of new tech leaders receive formal training when they become a boss for the first time. The rest are forced to get scrappy to quickly equip themselves with new skills, techniques, and mindsets to effectively transition into their new roles.
This workshop was designed to fill this gap; providing tactical techniques and resources for both new and seasoned technical leaders!
In this full day workshop, you will learn how successfully navigate the complexities of Engineering Management. Topics include:
Purposeful leadership, emotional intelligence, self awareness, time management, prioritizing the right things, social styles, giving feedback, career conversations, 1:1s, psychological safety, recruiting, interviewing, onboarding, measuring team metrics, motivation, engagement, team building, and building sustainable relationships.
Interactive group exercises will help you practice these new ideas and techniques in a safe and engaging environment.
You will leave with new perspectives on Engineering Management, as well as handouts and plenty of resources to grow and further develop skills in your daily work.
Please download (and print if possible) the handout before joining this workshop! (located with session slides).
Please download (and print if possible) the handout before joining this workshop! (located with session slides).
This DevSecOps Workshop is a unique hands-on experience for building, deploying, and securing containerized cloud-native applications using industry-standard open source technologies.
You will learn how containers and Kubernetes (specifically OpenShift) can change the way you run mission-critical applications, as well as how to leverage an assembly line approach that automates increasing levels of security assurance for each step in the process.
Attendees will get hands-on, applying DevSecOps techniques in building a Secure Software Factory for a Java-based application with a variety of tools - including Gogs, Nexus, Jenkins, Quay, and Sonarqube.
You'll learn:
All you'll need is a computer with an internet browser (Chrome or Firefox, ideally)!
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Laptops will not be required for the exercises, but you will need them (or an electronic device) to view the online slides as well as the online exercises.
CRI-O and Buildah and Podman, OH MY. (…and Skopeo, and what on Earth happened with Docker, and……) Containers are really cool, and also useful. Everyone knows it! The open source community has rallied around them and are constantly making improvements and tweaks to their capabilities. But…the tools generated by those open source communities are constantly evolving, and it ends up really hard to keep up on what does what and…why you should care.
Laine and Josh will explain containers as a whole, their lifecycle, and the tools currently among the landscape of awesome. They'll talk about when you should use what, and they'll demo how it all fits together to help with container-based application development and deployment.
Want to bring in [new cool thing X] or [necessary technology change Y] to your company, because you know there's a need for it? GOOD IDEA! Except…now what? If your company is more than about 3 people, how do you explain, enable, and encourage the adoption of this change, especially if it will require some work on everyone’s part?
In How to Technology Good, Josh and Laine will explain how bringing in technology is subject to one of the biggest problems in IT - how to scale it. They'll also talk about tips and tricks for how to be as successful as you can, and the main things to keep track of and watch out for. They'll go through each phase of bringing in new tech, all the way from how to pick your success criteria through what to think about when it comes to maintenance.
All companies are IT companies. Except…not. All companies SHOULD be IT companies, if they're trying to keep up with the weight of their customers' ever-increasing demands for speed and agility. Unfortunately…most companies don't know how to get there - or even what “there” looks like, or how they'd describe it.
Josh and Laine will talk about how to use a diagram (in this case, a map!) to build and discuss a strategy to navigate the high seas of being a business today in order to deliberately find the treasure. The treasure (continuous delivery) gives IT, and companies, the ability to embrace and empower existing resources, and eventually will give enough resources to thrive even at the lightning-fast pace of being a business today.
In this example-driven presentation, we'll start with an empty directory and have an application (simple as it may be) running in a production environment, leveraging Spring and Spring Boot.
Spring Boot's primary purpose is to make Spring easier to work with. It achieves this in three ways:
Automatic configuration : Considering what's on the runtime classpath as well as other factors, Spring Boot can automatically configure components in a Spring application context.
Simplified dependency management : Taking advantage of transitive dependency resolution at build-time, Spring Boot offers several “starter” dependencies, focused on specific characteristics of an application, that transitively bring in libraries to enable development of those characteristics.
Runtime insight : Spring Boot offers insight into the inner workings of a running application via REST endpoints and/or JMX MBeans to better understand what makes a running application tick.
All together, Spring Boot lets you focus on fulfilling your application's requirements without worrying about writing code that satisfies the needs of a framework.
In this example-driven session, we'll build a complete (albeit simple) Spring application, leveraging Spring's support for reactive programming at all levels, from the database to the client.
Traditionally, applications have been built using a blocking, synchronous model. Although comfortable and intuitive for most programmers, this model doesn't scale well. And although there are several new approaches to reactive programming, they don't necessarily fit into the familiar programming model that Spring developers are accustomed to working with.
Spring 5 has introduced a set of new reactive features, enabling non-blocking, asynchronous code that scales well using minimal threads. Moreover, it builds on the same concepts and programming models that Spring developers have used for years.
In this session, we'll explore the Spring Boot Actuator, a runtime component of Spring Boot that lets you peer inside a running application and, in some cases, even tweak configuration on the fly. We'll look at many of the Actuator's endpoints, learn how to customize and even create new endpoints, and see how to expose Actuator metrics to several popular instrumentation and monitoring systems.
Spring Boot makes developing applications with Spring easy work by offering auto-configuration for many common application scenarios. And with Spring Boot's starter dependencies, even an application's build file can be easily managed. But Spring Boot's powers don't end when the application is deployed. That's where the real fun begins.
In this session, we'll look at various ways that the latest features of Spring and Spring Boot can help with testing the tough-to-test portions of an application.
TBD
Graal has already proved to be an important advancement in Java. One such feature is AOT, Ahead of Time Compiling which takes JVM byte code and converts it as a native application as if it was written in C. This means a great deal for those who need to develop fast microservices with natively compiled speed.
This presentation will start with a quick introduction to Graal VM. Then jump into how to bootstrap and get started with Quarkus micro service. From there will discuss the standard set APIs, convert your application into a native image, and then containerize it for deployment.
Graal is a VM and an awesome VM at that. Able to run a variety of languages and fast. The execution times can be impressive too. This VM can run anything, JavaScript, Python 3, Ruby, R, JVM-based languages like Java, Scala, Kotlin, and LLVM-based languages such as C and C++.
We are living in truly exciting times. So much interesting technology including the VM space. Graal is a virtual machine and shared memory system for multiple languages. GraalVM can either run standalone or embedded in OpenJDK or node.js. Graal can even embed inside databases such as MySQL or Oracle. In the presentation, we look at this exciting VM, how to start it, how to run polyglot applications, and how to integrate all within the same VM.
This workshop builds an entire event driven data pipeline with Machine Learning and Kafka. From Kafka where we use producers or Kafka Connect to generate information, we then will Kafka Streams to apply a machine learning model to make business decisions.
This intensive lab will start by integrating sources into our backplane, then train our models, and operationalize our model using Kafka Streams. We will then create result topics when we can read in as a report and display visualizations of our data. The result will also be scalable and fault tolerant.
*Github Account
This workshop builds an entire event driven data pipeline with Machine Learning and Kafka. From Kafka where we use producers or Kafka Connect to generate information, we then will Kafka Streams to apply a machine learning model to make business decisions.
This intensive lab will start by integrating sources into our backplane, then train our models, and operationalize our model using Kafka Streams. We will then create result topics when we can read in as a report and display visualizations of our data. The result will also be scalable and fault tolerant.
*Github Account
In this presentation, we will discuss Kafka Connect. Kafka Connect is an opensource project from Confluent. Kafka Connect provides us a way to move data from a data store as a source and stream or batch that information into Kafka. Kafka Connect also gives us a way to take information from Kafka and send that to another data store, a Sink. Every source and sink can be connected to and from various databases and message queues.
What this presentation will entail:
At the end of this presentation, we will have a live demonstration of watching a data pipeline using data stores.
Java was once a language that dragged along and evolved at snails' pace. Thankfully, that's no longer the case. The recently years have seen accelerated development of both language features and JDK improvements. In this presentation we will dive into some of the recent changes of Java that are both fun and powerful to use and discuss where the language is heading in the near future.
The modern features of the language
Where's Java heading?
Unless you’ve been living under a rock, you know that Git is the most popular source control management in development shops today. And for good reason; its power overshadows tools you may have used in the past, such as Subversion or Team Foundations. While most developers and companies know this, making the switch can be painful. It’s all too common to lose code or introduce bugs because of difficulties merging or resolving conflicts. But fear not - it is possible to get comfortable with Git.
After a brief overview of concepts and capabilities, we’ll walk through exercises to simulate realistic scenarios. We’ll resolve conflicts, squash commits, stomp on other people’s code, fix mistakes, tag our commits, and more. All exercises will be performed on the command line, so you’ll truly understand what’s happening without the aid of GUI-based tools.
Master Git in a day requires a specific terminal, vim primer, specific folder structure, and GitHub account. All of the details about how to download and configure these can be found at http://bit.ly/MasterGit-TheTools.
If you think that successful individuals in our field are just talented or lucky, you’re only partially right. More importantly, they are very good at focusing on the right things, making them extremely efficient. We often blame others for our inability to focus, but the truth is that we allow outside forces to drain our time and attention, leaving us time-crunched and stressed.
This session will highlight many popular productivity strategies, many of which can be applied in your home as well as in your office! Whether your issue is email or chat addiction, incessant meetings, procrastination, general disorganization, or poor estimation skills… this course is for you. Reclaim your time, your career, and your life by training yourself how to focus on what matters.
Most of us want tech to be an equitable and inclusive place where everyone feels comfortable. But it can be intimidating - or even frustrating - when it feels like the target is always moving. The things that didn’t seem like a problem yesterday suddenly are, and we’re not sure what we should be doing instead.
Rather than approaching this subject with anger or blame, we will instead focus on understanding and practical advice you can use to make your workplace more enjoyable and welcoming to all. At the end of this session, there will be a significant amount of time for Q&A, where we can have an open dialogue about how to become better allies.
This session will help you approach difficult people and situations with more empathy, and more importantly, discover practical tips on how to diffuse their effect on you and your happiness.
Does it seem like no matter what you do, you can’t make your boss happy? How about your nit-picky teammate who tears your code apart whenever they have the chance? Or the direct report who won’t do anything without you explicitly asking? When you have to work closely with these kinds of people every day, those annoying personality traits can make your life miserable. By peeling back the labels we assign to people, we will strive to understand what makes them tick. This session will help you approach difficult people and situations with more empathy, and more importantly, discover practical tips on how to diffuse their effect on you and your happiness.
The last big water-hose change to Java came in Java 9. Since then, thanks to the new release cadence, the language is evolving faster, but with bitesize improvements. With release every six months, we'll soon be seeing Java 15! In this presentation we'll explore the features of Java, both the language changes and the significant JDK changes, starting from Java 9 to the current version.
Language changes
Significant JDK changes
One of the most intriguing classes in the JDK is the Collectors utility class, with a collection of some highly powerful functions that are useful during the reduce operation of streams. The functions that are in this class have so much to offer and yet, due to their complex nature, often are not used as much as they should be. Using well defined live coded examples, we will take up several common programming problems. Discuss them quickly and drive the implementation of these using the Collectors' methods. By the end of this presentation you will know more throughly the power of Collectors and how to apply the methods in there.
The Collectors utility class
Benefiting from Collectors
Learn to program some advanced capabilities of functional style along the way
We live in a world of microservices. Yet, what is a microservice? What defines the boundaries of a microservice? How do we define the relationships between microservices? Thankfully domaindriven design gives us the concepts and practices to better design and decompose our services.
In this session we will consider many of the concepts of DDD — How bounded contexts use Ubiquitous language to model the domain, how context maps can be used to establish the interconnections between services as well aggregates and domains events, all of which will service us well as we go about creating our microservices.
In this session we will go further with DDD, considering aspects like aggregates, domain events, factories and repositories, and consider how DDD can be represented in architecture, be that hexagonal, REST or RPC.
If you need a deeper dive into DDD, then this is the session for you.
A large part of embracing DevOps involves embracing automation. Over the last decade we have seen the emergence of “as Code” — Build-as-Code, Configuration-as-Code and Infrastructure-as-Code. The benefits to utilizing such tools are huge! We can codify the state of the world around our applications, giving us the ability to treat everything that our code needs like we treat the code itself. Version control, release management, tagging, even rolling backs are now possible. Terraform, an open-source tool from HashiCorp allows us to build, control and modify our infrastructure. Terraform exposes a Domain-specific language (DSL) that we can use to express what our infrastructure should look like. Terraform can work with all the major cloud providers, including Amazon AWS, Google GCP and Microsoft Azure. If you are curious about what this tool has to offer, this session is for you. Come on in, and let's learn how to terraform your cloud.
This session will focus on Terraform. We will look in to how this tool works, explore its capabilities, and see how it can play a pivotal role in our Infrastructure-as-Code (IaC) strategy. With lots of code and demos, this session will certainly give you enough fodder for thought, and provide a baseline so you can decide if Terraform is right for you.
Docker compose has been a part of the docker ecosystem since the beginning. It allows us to “stitch” together our services so that we can deploy all our services and related infrastructure using the “one” button. Furthermore, we can now use docker-compose to target Kubernetes, exemplifying the role that docker compose has to play in our day to day interaction with Docker.
If you are new to docker-compose then this is the session for you. Lets take a look at the capabilities of docker-compose, see what it takes to use it for local development and testing, and finally see how we can target Kubernetes so we can mimic our production deployment on our laptops.
Embraced containers yet? If so, that only presents the beginning of the journey. Designing your images to be lean, and your containers configurable requires us to leverage Dockerfiles to their maximum potential. At scale, everything matters—build times, testing, multi-stage builds, conventions around tagging and logging. There is a whole ecosystem of tools around how we can best build our images and containers.
In this session we will learn many a trick on how we can leverage Docker's own tooling as well as third-party tools to ensure that our first steps in the container world are the right ones.
This is a high level talk about many of the misconceptions surrounding refactoring, including
What refactoring looks like
Why refactoring is often neglected
The pace of change
Making better choices
The ROI on improvements
This talk is broken in 5 sections:
Evolutionary design
The most common misconception is that refactoring is a mini-rewrite of a section of code. Instead we are going to look into what microevolution looks and feels like. As well and the double edged sword as to why it is both extremely successful yet often unappreciated.
Code Smells
Using cutting edge pattern recognizing training we will show managers and programmers alike how to spot bad code at a glance
Naming
Explore Arlo Belshee 7 steps of improving the naming of your code.
10 X
The ROI (return on investment) is one of the most misunderstood part, because the math is very non-intuitive. Here we will explore why 8,402 is 10 times better than 8,333 ?!?
Contrary to popular belief, software engineering culture is not about the free food, open office spaces, and ping pong tables.
You can sense a great team culture when you observe it, and unfortunately you've probably experienced (or are currently experiencing) elements of a bad team culture. Not to worry - it's never too late to grab the reins and make small changes to steer your team in the right direction!
In this talk, Kate will highlight 8 tactical tips that attendees can implement on their teams immediately to help shape their team's culture!
Attending meetings, researching a new feature, writing support documentation, troubleshooting an annoying bug, responding to on call duties, and the growing email inbox; when do I find time to actually write code?
This one hour session will involve hands on activities for participants to assess their priorities and learn essential skills for maximizing their busy schedules and spending time on the things that actually matter!
Please view and download the handout before joining this session. (located with session slides)
Each of these technologies is transformative on its own. Together, they are a compelling mix of the speed of C++, the safety and portability of Java and a modern, expressive and readable syntax. Come learn why Rust and WebAssembly are two great technologies that are better together. This combination is going to impact your career whether you develop on the front end or the backend on the desktop or in the cloud.
We will not assume knowledge of Rust and will introduce the major features of this modern systems programming language. This will include:
We will also cover the WebAssembly platform including:
Each of these technologies is transformative on its own. Together, they are a compelling mix of the speed of C++, the safety and portability of Java and a modern, expressive and readable syntax. Come learn why Rust and WebAssembly are two great technologies that are better together. This combination is going to impact your career whether you develop on the front end or the backend on the desktop or in the cloud.
We will not assume knowledge of Rust and will introduce the major features of this modern systems programming language. This will include:
We will also cover the WebAssembly platform including:
It has become at truism in the past decade that building systems at scale, using non-relational databases, requires giving up on the transactional guarantees afforded by the relational databases of yore, ACID transactional semantics are fine, but we all know you can’t have them all in a distributed system. Or can we?
In this talk, I will argue that by designing our systems around a distributed log like Kafka, we can in fact achieve ACID semantics at scale. We can ensure that distributed write operations can be applied atomically, consistently, in isolation between services, and of course with durability. What seems to be a counterintuitive conclusion ends up being straightforwardly achievable using existing technologies, as an elusive set of properties becomes relatively easy to achieve with the right architectural paradigm underlying the application.
In a world increasingly defined in software, is the database–a tool primarily built to aid human-computer interaction–always the right tool to choose? In this talk, we’ll look at a new type of database, built not only for the tables and columns we’re familiar with, but also the continuous, never-ending “streams of events” that represent data as it moves. We’ll take a look at ksqlDB’s syntax and show how it can replace bespoke Kafka Consumers with short, declarative queries.
From there, we’ll look at what kinds of software architectures a streaming database supports. Hint: they look an awful lot like what the most ambitious Kafka deployments are doing with the systems they’re refactoring to microser ices. We’ll look at how Kafka and ksqlDB solve the attendant problems elegantly, and how the software architectures on which many teams are converging closely resembles the databases of old.
Harold McMillan was Prime Minister of England from 1957 to 1963, the last British PM born during Queen Victoria’s rule, and one whose wit and even-keeled nature defined his administration. When asked by a reporter what might force his government off the course he had firmly laid out for it, he allegedly replied “Events, dear boy, events.”
The same might be said about what is driving software architectures today. Event-driven systems have enabled organizations to build substantial microservices ecosystems with all of the decoupling and evolvability that we were promised by the distributed computing technologies of 20 years ago. But these systems raise some interesting questions: if events now rule, what has become of entities? If we store events in logs, do we still need databases? Can we merely produce immutable events to trivially scalable logs and loose our microservices to consume them with no regard for what is actually out there in the world?
To make sense of this, we turn to the past. Spanning 2,500 years before McMillan deployed his wit on that poor reporter, we will look at what Heraclitus, Aristotle, Karl Popper, and W.V.O. Quine thought and wrote about these same questions. Are there things in the world that maintain their identity over time, or is the world just a sequence of experiences? Life may be a stream of events, but sometimes I still want to look things up by key. Four great thinkers will help be better at following the paradigm that will be shaping our systems for the next generation. And as usual, a good philosophy lesson will make us better at practical tasks. We’ll apply a rich view of events and entities to a proposed microservices architecture that can last the next decade.
Kafka has become a key data infrastructure technology, and we all have at least a vague sense that it is a messaging system, but what else is it? How can an overgrown message bus be getting this much buzz? Well, because Kafka is merely the center of a rich streaming data platform that invites detailed exploration.
In this talk, we’ll look at the entire open-source streaming platform provided by the Apache Kafka and Confluent Open Source projects. Starting with a lonely key-value pair, we’ll build up topics, partitioning, replication, and low-level Producer and Consumer APIs. We’ll group consumers into elastically scalable, fault-tolerant application clusters, then layer on more sophisticated stream processing APIs like Kafka Streams and KSQL. We’ll help teams collaborate around data formats with schema management. We’ll integrate with legacy systems without writing custom code. By the time we’re done, the open-source project we thought was Big Data’s answer to message queues will have become an enterprise-grade streaming platform, all in 90 minutes.
With the new Java release cadence of every 6 months, new Java capabilities are coming at us fast and furious. It is hard to keep up, so this hands-on workshop is designed quickly get you caught up.
Regardless if you are still on Java 8 and looking forward to see what’s coming or keeping up with the 6 month releases you will find a gold nugget: jLink, jShell, var, container support, security and much more.
Java 14 (Any distribution is fine. If you don't have a preference or know which to install go with https://adoptopenjdk.net/) or Docker
IDE/Editor
git
With the new Java release cadence of every 6 months, new Java capabilities are coming at us fast and furious. It is hard to keep up, so this hands-on workshop is designed quickly get you caught up.
Regardless if you are still on Java 8 and looking forward to see what’s coming or keeping up with the 6 month releases you will find a gold nugget: jLink, jShell, var, container support, security and much more.
Java 14 (Any distribution is fine. If you don't have a preference or know which to install go with https://adoptopenjdk.net/) or Docker
IDE/Editor
git
Learn how to use Heroku's 12 (15) Factor App methodologies to make your applications more portable, scalable, reliable and deployable.
Do you want to improve your application’s portability, scalability, reliability and deploy ability? Now you can, with Heroku’s 12 Factor App methodologies. Learn from their experience hosting and supporting thousands of apps in the cloud. During this hands-on workshop, you will learn how to incorporate factors like configuration, disposability, dev/prod parity and much more into an existing application whether it is an on premise or cloud native app. But wait, there’s more! Act now, and get an additional 3 factors absolutely free! API first, Telemetry and even Authentication and authorization will be included at no additional cost.
Learn how to use Heroku's 12 (15) Factor App methodologies to make your applications more portable, scalable, reliable and deployable.
Do you want to improve your application’s portability, scalability, reliability and deploy ability? Now you can, with Heroku’s 12 Factor App methodologies. Learn from their experience hosting and supporting thousands of apps in the cloud. During this hands-on workshop, you will learn how to incorporate factors like configuration, disposability, dev/prod parity and much more into an existing application whether it is an on premise or cloud native app. But wait, there’s more! Act now, and get an additional 3 factors absolutely free! API first, Telemetry and even Authentication and authorization will be included at no additional cost.
You have some modular code with a REST API. You are on your way to Microservices. Next, you package it in a container image that others can run. Simple. Now what? Your service needs to log information, needs to scale and load balance between its clones. Your service needs environment and metadata way outside its context. What about where the service will run? Who starts it? What monitors its health? What about antifragility? Updates? Networking? Oh my.
Don't get flustered. We will explore how Kubernetes simplifies the complexity of distributed computing.
This session will help you understand the terms, architecture and the mechanics of the Kubernetes tools. You will understand how to target your applications to a seemingly complex distributed compute platform.
Prerequisite: If you are unfamiliar with Kubernetes be sure to attend: Kubernetes Koncepts (1 of 2)
Aha moments with apps in containers can be quite liberating. The mobile space is saturated with “there's an app for that”. For us, we now expect “there's a container for that”. “Write once, run anywhere” (WORA) has changed to “Package once, run anywhere” (PORA). The growing community of containers is riding up the hype curve. We will look at many ways to assemble pods using architecture patterns you already know.
Your software package delivery and installation is no longer an rpm, deb, dmg, jar, war, native executable or a run script, it is simply an image that has a common run container command.
During the presentation, we will explore some examples on Katacoda.
Three evolutionary ecosystems work well together Java, Containers, and Kubernetes.
Past versions of Java were never designed to be “container aware”. This has led some to stray away from the JVM and consider other shiny languages. But wait, before you go, let's discover what Java 9, 10, 11, 12, 13 (…) has done to get our applications into efficiently distilled containers that pack nicely into Kubernetes.
Topics covered:
Prerequisite: If you are unfamiliar with Kubernetes be sure to attend: Kubernetes Koncepts
At the 2009 Agile conference, J.B.Rainsberger declared “Integration tests are a scam”. I agree. Come see some compelling reasons why consumer-driven contract testing is a much better approach. Particularly for microservices.
We will explore different testing techniques on Kubernetes, including an important one called “Consumer-Driven Contracts”.
After a brief overview of the concepts a live demonstration will show you how to:
The single worst architectural anti-pattern is also the one I see the most often. It locks you into an architecture. Makes your choices permanent and inhibits being able to respond when you need to scale.
We are going to look at multiple examples of this anti-pattern. Not only focusing on how to avoid it in the first place, but also how to restructure code once you have detected it in your current system.
Would Chuck Norris ask you to come hear him speak at a conference? No, he wouldn't. He would TELL you that you're coming, and then roundhouse kick you in the face if you gave him any more lip.
“What would Chuck Norris do?” is a philosophy this session will cover in depth. Other topics include: badass vs a-hole, human duck typing, the art of [not] caring, instrumentality, and what your facial hair says about you. You won't learn any new code in this session, but you might unleash a Pandora's box of awesomeness that will change the way you interact with your coworkers forever.
There is pain inherent in development - monoliths, confusing deployment processes, conflict between dev/ops/business. IT is hard and the pace of change now makes it even more difficult.
Join Josh and Laine as they talk about how focusing on solving this pain can help in a lot of surprising ways - kickstarting DevOps, speeding up product delivery, and even enabling the business as a whole.
Learn the basic syntax and semantics for the Kotlin programming language. Kotlin is an alternative JVM language that provides null safety, static typing, and powerful IDE support. This workshop will give you the chance to code in Kotlin, highlighting its similarities and differences from Java, how to use functional programming skills, work with collections, access restful web services, and more.
This workshop will examine features of Kotlin at a greater depth than most tutorials. Coroutines – the most popular feature of the language – will also be covered, as well as higher order functions, reduction operations like reduce and fold, and lambdas with receivers. Those topics progress toward building DSLs and builders in Kotlin. Terms like “apply”, “let”, “use”, “also”, and “with” will be covered along with their typical use cases.
Details of the type system, including the Any, Unit, and Nothing classes, will be included. Examples will be provided on how to define extension functions, infix operators, and inlining functions for efficiency.
Learn the basic syntax and semantics for the Kotlin programming language. Kotlin is an alternative JVM language that provides null safety, static typing, and powerful IDE support. This workshop will give you the chance to code in Kotlin, highlighting its similarities and differences from Java, how to use functional programming skills, work with collections, access restful web services, and more.
This workshop will examine features of Kotlin at a greater depth than most tutorials. Coroutines – the most popular feature of the language – will also be covered, as well as higher order functions, reduction operations like reduce and fold, and lambdas with receivers. Those topics progress toward building DSLs and builders in Kotlin. Terms like “apply”, “let”, “use”, “also”, and “with” will be covered along with their typical use cases.
Details of the type system, including the Any, Unit, and Nothing classes, will be included. Examples will be provided on how to define extension functions, infix operators, and inlining functions for efficiency.
Good discussions are supposed to diverge from their intended path. Free association is a feature, not a bug, and helps you see new connections between ideas. Without structure, however, it can be difficult to add context to new ideas and understand how they relate to more immediate problems. This talk discusses the technique of mental bookmarks – how to remember where you were when a discussion diverged. In addition to giving you a reputation for having an amazing memory, the skill also helps with personal awareness in general.
To give the technique context, we'll look at the fractal nature of success – the way we tend to see our current environment in relative terms, always comparing ourselves to those slightly more successful and slightly less successful.
Gradle has been described as the open source project with the most documentation that doesn't help. Key concepts, like the different steps Gradle takes at initialization time, configuration time, and execution time are not obvious, but must be understood to use Gradle effectively. This talk will cover those topics, as well as how to use source sets, IDE integration, testing in parallel, the build cache, and multi-project builds.
New topics to be included based include writing your own custom tasks, using version constraints, archiving and expanding files and folders, and incremental builds for efficiency.
Recently revised to include dependency conflict resolution, lazy task creation, the TOML file for versioning, and more.
Java Modules are the future. However, our enterprise applications have legacy code, a lots of it. How in the world do we migrate from the old to the new? What are some of the challenges. In this presentation we will start with an introduction to modules and learn how to create them. Then we will dive into the differences between unnamed modules, automatic modules, and explicit modules. After that we will discuss some key limitations of modules, things that may surprise your developers if they're not aware of. Finally we will discuss how to migrate current applications to use modules.
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We will program with Java quite differently in the future than we do today. The reason is that Java is embracing asynchronous programming like never before. This will have a huge impact on how we create services and web applications. In this presentations we will look at what asynchronous programming is, what continuations are, how they get implemented under the hood, and how we can benefit from them.
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The fundamental testing libraries in Java have undergone complete redesigns in the past few years. JUnit 5, known as JUnit Jupiter, redesigns the most well-known tool in all of testing. This talk will demonstrate the new features, how they are intended to be used, and discuss experimental ideas in the pipeline.
JUnit has been remarkably stable over the years and is one of the most widely adopted frameworks in the Java world. The latest version, JUnit 5, takes JUnit to the next level. Full of new features like conditional test execution, parametric testing, labeling and filtering tests, and more, it brings all the modern thinking on testing into the JUnit world. It also takes advantage of the functional features added to Java since version 8 to create a powerful, new library for testing your code.
Java is now on a six-month release schedule, with new features being added all the time. This talk summarizes the features that have been added to Java, including collection factory methods, private methods in interfaces, records, the enhanced switch statement, and more. The goal is to show not only what has been added, but why and where to use them.
Additional topics will include Local Variable Type Inference, the new HTTP client, the pattern matching, and text blocks. This talk will be updated throughout the year as more features are added to new releases.
Albert Einstein once said — “We cannot solve our problems with the same thinking we used when we created them.”
As developers, architects, managers, tech-leads, our job entails solving big problems. However, our systems are composed of parts, and it is the interaction of those parts that ensure the system works, and tells us where to go looking when things fail. What does it mean to think in systems? What are the benefits, and what are tools are available to us? If any of this intrigues you (and it should) come join me as we explore a new way of thinking about problems, both big and small.
In this session we will take a page from Donella H. Meadows fantastic book “Thinking in Systems” and attempt to get an understanding of what makes up a system, how we can tease apart the moving parts of the system, and get into the mindset of a “systems thinker”.
On the NFJS tour, there are questions that seem to come up again and again. One common example is “How do we determine which new tools and technologies we should focus our energy on learning?” another is “How do we stop management from forcing us to cut corners on every release so we can create better and more maintainable code?” which, after awhile becomes “How can we best convince management we need to rewrite the business application?”
There is a single metaanswer to all these questions and many others.
It begins with the understanding that what we as engineers value, and what the business values are often very different (even if the ultimate goals are the same) By being able to understand these different perspectives it's possible to begin to frame our arguments around the needs and the wants of the business. This alone will make any engineer significantly more effective.
This session picks up from where “Stop writing code and start solving problems” stops discussing what is value, how do we align the values of the business with the needs and values of the engineer.
Reactive architecture patterns allow you to build self-monitoring, self-growing, and self-healing systems that can react to both internal and external conditions without human intervention. These kind of systems are known as autonomic systems (our human body is one example). In this 2 part live virtual workshop, I show you some of the more common and powerful reactive patterns you can use to automatically scale systems, grow systems, and self-repair systems, all using the basic language API (Java) and simple messaging (RabbitMQ). Through code samples in Java and live demonstrations, I show how the patterns work and also show you sample implementations. Get ready for the future of software architecture - that you can start implementing tomorrow.
Reactive architecture patterns allow you to build self-monitoring, self-growing, and self-healing systems that can react to both internal and external conditions without human intervention. These kind of systems are known as autonomic systems (our human body is one example). In this 2 part live virtual workshop, I show you some of the more common and powerful reactive patterns you can use to automatically scale systems, grow systems, and self-repair systems, all using the basic language API (Java) and simple messaging (RabbitMQ). Through code samples in Java and live demonstrations, I show how the patterns work and also show you sample implementations. Get ready for the future of software architecture - that you can start implementing tomorrow.
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The path to migrating to Microservices from a monolithic or service-oriented architecture (or even starting a greenfield application) is riddled with challenges, pitfalls, canyons, demons, and even fire-breathing dragons. I like to call it “The Kings Road”. In this session I will show the migration patterns that allow you to easily fly over this challenging road and ease the pain associated with moving to microservices. I will also show you some automation tools you can use to help analyze your applications to determine how challenging this road will be.
Once you break things apart into microservices, you must then put them back together. In other words, individual services still sometimes need to talk to one another to complete a given business transaction, whether that transaction is synchronous or asynchronous. In this hands-on live virtual session I talk about the various patterns of communication and workflow management within a microservices ecosystem.
Have you ever wondered how to share data between microservices? Have you ever wondered how to share a single database schema between hundreds (or even thousands) of microservices (cloud or on-prem)? Have you ever wondered how to version relational database changes when sharing data in a microservices environment? If any of these questions intrigue you, then you should come to this session. In this session I will describe and demonstrate various caching strategies and patterns that you can use in Microservices to significantly increase performance, manage common data in a highly distributed architecture, and even manage data synchronization from cloud-based microservices. I'll describe the differences between a distributed and replicated cache, Using live coding and demos using Hazelcast and Apache Ignite, I'll demonstrate how to share data and also how to do space-based microservices, leveraging caching to its fullest extent.
Jorge Santayana is famous for saying “Those who cannot remember the past are condemned to repeat it”. When SOA (Service-Oriented Architecture) was all the craze, everyone got all excited about services, but forgot about the data. This ended in disaster. History repeats itself, and here we are with Microservices, where everyone is excited about services, but once again, forgets all about the data. In this hands-on live virtual session I discuss some of the challenges associated with breaking apart monolithic databases, and then show several techniques for sharing and accessing data. I consider the data part of Microservices the hardest aspect of this architecture style. In the end, it's all about the data.
In tech teams it's a constant firefight. We react. Then we react to the reaction… the cycle continues. In all this noise, in all this chaos, how do we move forward. How do we remain proactive?
A great leader must be an enabler for the team. At times this means insulating the team from the noise. At other times it means improving the environment for the team. At all times, however, it requires setting clear priorities and conditions for success.
This session is focused on the art of moving forward in even the noisiest environments.
Do you feel inspired by conference talks but overwhelmed by all of the take aways to remember when you get back to work? This session will provide an opportunity to identify and practice key leadership skills immediately!
We will work to understand what your motivational style means to you and how you can use it as a compass for decision making and improving your enjoyment at work.
We all have an innate sense of what's possible. Not only is this how magicians fool you, but it might also be what's holding you back.
In this session Michael Carducci shares how he applied lessons learned in his career as a professional magician to his “day-job” as a software engineer.
Magicians have a simple process for creating new material; think of the most impossible thing you can imagine, the engineer a way to make it possible. Michael has been engineering solutions to “impossible” problems for nearly 20 years and this has given him a unique perspective on dealing with challenges in all aspects of his life.
This talk combines illusion, anecdotes and real-world examples to help identify and overcome your mental obstacles.
JavaScript now has a yearly release cycle. Every release introduces new features that aim to make us (JavaScript developers) more productive, while making our code succinct, expressive, and (potentially) bug-free.
By the end of this workshop you will be intimately familiar with the newer set of JavaScript features, and ready to dive into your next JavaScript project with confidence.
This workshop allows you to explore many of the new features that we use on a daily basis, including
let and constMap / Set data-structuresclass syntax as well as static/private members and methodsThis workshop uses tests to verify and validate all of your changes, so you can be confident in your changes as you go about refactoring your code to use modern JavaScript language features.
Each section of the workshop builds on the previous one, allowing you to continuously refactor code and get tons of practice.
If you want to be fully caught up with all of the changes that have landed in JavaScript between 2015 and 2021, this is the workshop you want to attend!
Please follow the instructions in the README.md file of https://github.com/looselytyped/refactoring-to-modern-javascript
NOTE — If you get an error be sure that your Node version is up-to-date. Older versions of Node did not support ES modules natively, and you might run into issues.
If you cannot upgrade Node, consider using a tool like https://github.com/nvm-sh/nvm/blob/master/README.md (Mac/Linux) or https://github.com/coreybutler/nvm-windows (Windows) so you can run multiple version of Node simultaneously.
JavaScript now has a yearly release cycle. Every release introduces new features that aim to make us (JavaScript developers) more productive, while making our code succinct, expressive, and (potentially) bug-free.
By the end of this workshop you will be intimately familiar with the newer set of JavaScript features, and ready to dive into your next JavaScript project with confidence.
This workshop allows you to explore many of the new features that we use on a daily basis, including
let and constMap / Set data-structuresclass syntax as well as static/private members and methodsThis workshop uses tests to verify and validate all of your changes, so you can be confident in your changes as you go about refactoring your code to use modern JavaScript language features.
Each section of the workshop builds on the previous one, allowing you to continuously refactor code and get tons of practice.
If you want to be fully caught up with all of the changes that have landed in JavaScript between 2015 and 2021, this is the workshop you want to attend!
Please follow the instructions in the README.md file of https://github.com/looselytyped/refactoring-to-modern-javascript
NOTE — If you get an error be sure that your Node version is up-to-date. Older versions of Node did not support ES modules natively, and you might run into issues.
If you cannot upgrade Node, consider using a tool like https://github.com/nvm-sh/nvm/blob/master/README.md (Mac/Linux) or https://github.com/coreybutler/nvm-windows (Windows) so you can run multiple version of Node simultaneously.
If you're not terrified, you're not paying attention.
Publishing information on the Web does not require us to just give it away. We have a series of tools and techniques for managing identity, authentication, authorization and encryption so we only share content with those we trust.
Before we tackle Web Security, however, we need to figure out what we mean by Security. We will pull from the worlds of Security Engineering and Software Security to lay the foundation for technical approaches to protecting our web resources. We will also discuss the assault on encryption, web security features and emerging technologies that will hopefully help strengthen our ability to protect what we hold dear.
Topics include:
If you're not terrified, you're not paying attention.
Publishing information on the Web does not require us to just give it away. We have a series of tools and techniques for managing identity, authentication, authorization and encryption so we only share content with those we trust.
Before we tackle Web Security, however, we need to figure out what we mean by Security. We will pull from the worlds of Security Engineering and Software Security to lay the foundation for technical approaches to protecting our web resources. We will also discuss the assault on encryption, web security features and emerging technologies that will hopefully help strengthen our ability to protect what we hold dear.
Topics include:
We all have seen our share of bad code and some really good code as well. What are some of the common anti patterns that seem to be recurring over and over in code that sucks? By learning about these code smells and avoiding them, we can greatly help make our code better.
Come to this talk to learn about some common code smell and to share your experiences as well.
In this complimentary workshop offered to you by Gradle, we will be
discussing “Developer Productivity Engineering” (DPE).
If you are not already familiar with DPE, it is a new software
development discipline that uses data analytics and acceleration
technologies to speed up the critical software development
processes—from builds to testing to CI—and make them more efficient.
In this hands-on training with labs we will describe DPE processes and
best practices in action—using examples from Java projects that rely
on Maven or Gradle build tools.
At a high level you will learn how to:
More specifically, this training will cover how to:
The end-result of pursuing DPE excellence will be a transformative and
highly satisfying developer experience.
Gradle and Maven build tool users interested in speeding up builds are
encouraged to attend the training.
Make sure you have JDK 8 or later installed if you do not already. You
can use your favorite IDE or text editor during the workshop.
After this training the participants will be able to:
Functional style of programming was introduced in Java 8. If you are like the speaker, who spent decades on imperative style, then the transition to functional style can be intimidating. In this presentation, we will learn about the fundamentals of programming in functional style, the set of tools that we can reach into to solve problems as a series of state transformation. We will learn the how but also the benefits along the way as well.
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A number of developers and organizations are beginning to make use of Functional Programming in Java. With anything that's new, we often learn it the hard way. By stepping back and taking a look at programming style as idioms, we can quickly gravitate towards better coding style and also avoid some common traps that we often get drawn towards.
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