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OkcJug
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for anyone in the Okc area who is interested in Java
for anyone in the Okc area who is interested in Java

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June 2017 Meeting has been cancelled.

There was a scheduling conflict with our speaker for this month. We have speakers lined up for the next 4 months so be watching for more details coming about the July meeting.

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Speaker: Brian Sheldon
Topic: Stick a fork in the websocket, it's done
Synopsis:
I've wanted to make an app in the cloud (aka someone else's server) that uses several technologies.
This is an indolent walk through of what I've come up with so far.

The list of technology I plan on using is, javax.websocket, json, javascript, mapbox-gl.js (vector tile map), sqlite-jdbc, and Rest.
If there is time, deploy it to gcloud (App Engine). I may have to use mapbox.com or node.js to serve the map tiles instead of sqlite-jdbc if I don't have time.

My plan is to display a map of the world, click on the map to create a marker which then gets broadcast to anyone else on the web page.
Clicking on a marker deletes it from everyone's map.

Food and drink will be provided.

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Counselor: Ryan Hoegg
Topic: We need to talk about "Production"

Hey Java Developers,

I've been meaning to talk to you about something. We've been working together a while now, and I feel like you might not always give Production the respect it deserves. You don't always invite it to your requirements meetings, or work with it much during development. Sometimes it feels like you just hand Production your code and move on to other things!

I'm setting up a meeting next week (April 11) to see if we can improve your working relationship.  Here's a rough agenda. I'll bring some background on these things, and I hope I can get some good conversation started and improve your relationship:

* Service Discovery
* Configuration
* Secrets
* Health
* Logging
* Monitoring
* Telemetry
* Capacity

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Due to the speaker's flight arrival being too close to our normal meeting time, we have chosen to delay the meeting by one (1) hour. Please note that the new start time is 12:30 pm.
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Topic: Reactive Spring
Speaker: Mark Heckler, Pivotal

Synopsis
Spring 5 is almost here! One of the most exciting introductions in this release is support for reactive programming, building on Pivotal's Project Reactor to support message-driven, elastic, resilient, and responsive services. Spring 5 integrates an MVC-like component model adapted to support reactive processing and a new type of web endpoint, functional reactive endpoints. In this talk, we'll dive into the net-new Netty-based web runtime and see how to integrate it with existing Spring-stack technologies, learn how to leverage powerful new testing mechanisms to make code better and life easier, and tie it all together with a live coding demo. If there's more to your life than CRUD, you need to be there!
 
Please go to Meetup and sign up so we will have a count for the food.

We thank +Techlahoma Foundation  for generously providing the food and drink, and to +StarSpace46, Inc.  for providing the facility.

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February Meeting has been cancelled due to lack of speaker. Be watching for details for the March 14, 2017 meeting.

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January Meeting

When: January 10, 2017   11:30-13:00
Where: StarSpace46 - 1141 W. Sheridan Avenue
Speaker: Ray Tsang
Topic: gRPC 101 for Java Developers

gRPC is a high performance, open source, general RPC framework that puts mobile and HTTP/2 first. gRPC is based on many years of Google's experience in building distributed systems - it is designed to be low latency, bandwidth and CPU efficient, to create massively distributed systems that span data centers, as well as power mobile apps, real-time communications, IoT devices and APIs. It's also interoperable between multiple languages.

But beyond that fact that it's more efficient than REST, we'll look into how to use gRPC's streaming API, where you can establish server-side streaming, client-side streaming, and bidirectional streaming! This allows developers to build sophisticated real-time applications with ease.

In addition to learning about gRPC and HTTP/2 concepts with code and demonstrations, we'll also deep dive into integration with existing build systems such as Maven and Gradle, but also frameworks such as Spring Boot and RxJava.

Writing/using a Spring Boot starter to run gRPC server

Configuring projects to generate gRPC stub code

Integrating w/ RxJava's observable sequences, which matches very well with gRPC's Stream Observable constructs

Speaker Bio:

Ray Tsang is a Developer Advocate for the Google Cloud Platform. Ray had extensive hands on cross-industry enterprise systems integration delivery and management experiences during his time at Accenture, managed full stack application development, DevOps, and ITOps. Ray specialized in middleware, big data, and PaaS products during his time at Red Hat while contributing to open source projects, such as Infinispan. Aside from technology, Ray enjoys traveling and adventures.

Please go to Meetup and sign up so we will have a count for the food.
 
We thank Techlahoma for generously providing the food and drink, and to StarSpace46 for providing the facility.

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Message from the JUG President, Jason Lee:

Next month (January 10th, to be exact), we will have Google Developer Advocate Ray Tsang (https://twitter.com/saturnism) in town to talk about gRPC*. I saw a brief demo at JavaOne and it was awesome. This is a great opportunity for the Oklahoma City tech community, so we want to get the word out early, and, while the invitation is always implicit, we're trying to make sure other tech groups are aware that they, too, are invited.

Another exciting change for the new year is that we now have, thanks to Techlahoma, our own Meetup group: https://www.meetup.com/okcjug/. We'll be using this group for meeting announcements, reservations, etc. We'll be basing our food order off of the registration numbers, so it's really important that you all create an account and RSVP for each meeting. There are no plans to deny food to those who didn't RSVP, of course, but getting accurate numbers ahead of time will help make sure we order the right amount of food.

I think that's it for this year. Mark your calendar for January 10th. Go create a Meetup account. Watch for the meeting notice from Meetup and RSVP if you're coming. And have a very merry Christmas and <sing pitch="offKey>and a happy new year!</sing>.

* The topic hasn't been nailed down yet. It should be either gRPC or Kubernetes. We're still discussing. :)

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December 13, 2016 meeting is cancelled. Sorry for the inconvenience but we were unable to obtain a speaker for this month. Be watching for details about the January 10, 2017 meeting.

Merry Christmas and a Happy New Year!

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Speaker: Ryan Hoegg
Topic: Microservices and Me
Synopsis: Those of us involved with software systems have probably been hearing and reading about microservice architecture more and more. We'll explore why that is, what benefits this approach offers, and how to go about designing and building systems this way. We'll touch on promise theory, service discovery, handling failure, and disposable software.

This talk is meant for humans who work together to try to get computers to do useful things.  That includes java developers.

* NOTICE: We are meeting at our new location StarSpace46. This will be our permanent meeting location going forward.
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