Information

OrlandoJUG Town

Calling all Java lovers! The OrlandoJUG features leading edge presentations with you in mind. We meet every month with talks on interesting aspects of programming in Java. Although we're Java-focused, you'll also learn about other JVM languages.

Twitter & Facebook @orlandojug

 

Check the Codetown Events section for specifics about meetings.

Website: http://www.orlandojug.org
Location: Orlando, FL
Members: 96
Latest Activity: Feb 23, 2021

About the OrlandoJUG

Check the Codetown Events section for meeting info. Please RSVP!

* There are no membership fees for joining the Club or participating as a member. Operating costs will be borne by Contributing Sponsor companies (Contributing Sponsors).
* However, membership is not "free" because everyone is asked to contribute time and talent for the benefit of all members. Please volunteer to serve on the committee of your choice.
* The membership list and contact information will not be for public use. Telephone numbers and e-mail addresses will be held in strict confidence. Members are, of course, free to trade contact information one-on-one.
* As a general rule, meetings are held monthly, usually on the 4th Thursday of the month.
* Michael Levin is the JUG chair. Anyone wishing to provide a venue, refreshments or a program speaker/topic should contact him at info (at) orlandojug (dot) org
* There is an open-door policy. All committee and planning meetings are open to all members.
* Constructive criticism and good ideas are invited. We will strive to improve OrlandoJUG on a constant, consistent basis. Your active involvement and support is vitally important to the success of the Club

Our meetings will be listed in the Events section.

Discussion Forum

Meet with a Superb Recruiter 1 Reply

Continue

Tags: ojug, Meetup

Started by Michael Levin. Last reply by Andrew DiRocco Feb 23, 2021.

J4K is virtual this year!

‪J4K was a superb conference last year. This year, it’s virtual and free! Some of the world’s best speakers will present. Register here: http://j4k.io/ They say tickets…Continue

Started by Michael Levin Jul 2, 2020.

Virtual Events

‪Hello! I hope you all are well. I’m staying home for a while, but the Virtual Java User Group and JaxJUG have interesting online events coming up this week. Stay tuned. ...Mike‬

Started by Michael Levin May 11, 2020.

February Meetup! 3 Replies

We have an awesome speaker lined up this Th. Interested? You have to tell me you’re interested or I won’t schedule it. Venue near Ace Cafe!Continue

Started by Michael Levin. Last reply by Naomi Butterfield Feb 27, 2020.

October OJUG

Folks, I’m giving a talk on AI at Devoxx next month in Morocco. Our scheduled Spring talk is postponed. Let me know if you’d like a preview of my AI talk instead. We don’t meet Nov/Dec. Here’s the…Continue

Started by Michael Levin Oct 18, 2019.

Live OrlandoJUG broadcast tonight

Tonight’s Orlandojug will be broadcast live! Monitor @OrlandoJUG on…Continue

Started by Michael Levin Sep 27, 2019.

September OJUG

Join me at OJUG ::: featuring Bruno Souza & Otavio Santana from Brazil! http://meetu.ps/e/H1Rlw/1sqG/aContinue

Tags: Ojug

Started by Michael Levin Sep 17, 2019.

Red Hat Open Shift Workshop 8/21 Orlando Marriott

Hi Michael,Wanted to send you a reminder for next Wednesday's Red Hat OpenShift workshop. We are excited to see you! Date: August 21st, 2019Time: 9am-2pmLocation: Marriott Orlando Downtown (…Continue

Tags: OrlandoJUG, codetown, Redhat

Started by Michael Levin Aug 15, 2019.

DevNexus CFP open until Aug 15

THE DEVNEXUS CALL FOR PAPERS IS OPEN UNTIL AUGUST 15!!! The Call for Papers (CFP) for Devnexus 2020 is now open. Devnexus, …Continue

Tags: codetown, Devnexus

Started by Michael Levin Aug 5, 2019.

OrlandoJUG Reading List ::: from JavaSpecialists

Issue 325 - Be a Distinguished Java Engineer in the Age of Vibe Coding

We are all amazed how AI can help us in everyday tasks. It can even write Java code. But "Show me the Pull Requests" (Evans) sums it up nicely. We do not (yet) see AI massively improving open source projects.

Issue 324 - Sequenced LinkedHashSet

LinkedHashSet implements the SequencedCollection interface, allowing us to addLast(), addFirst() and even reverse the collection. This sometimes causes some surprises.

Issue 323 - Visiting All Threads (Including Virtual)

In this newsletter, we explore how we can visit the entire hierarchy of threads in our virtual machine, including virtual threads. We do this using the composite, visitor and facade design patterns.

Issue 322 - Throwing InterruptedException Early

The LinkedBlockingQueue and LinkedBlockingDeque behave slightly differently when methods put() and take() are called by a thread that happens to be in the "interrupted" state. The LBQ throws an InterruptedException immediately when we call take(), even if the queue contains elements. The LBD, however, only throws InterruptedException if the deque is empty and the thread would enter the WAITING state. In this newsletter we show how a dynamic proxy can make the behaviour consistent.

Issue 321 - StampedLock ReadWriteLock Dangers

ReentrantReadWriteLock has a limit of 65536 concurrent read locks. That is an unattainable number with platform threads, but definitely achievable with virtual threads. In this newsletter we explore some of the issues if we want to switch to the StampedLock.asReadWriteLock() instead.

Comment Wall

Comment

You need to be a member of OrlandoJUG Town to add comments!

Comment by Michael Levin on July 17, 2018 at 1:56pm

OrlandoJUG meets every 4th Thursday from 6-8PM. Details about our next meeting are here: http://www.codetown.com/events

Please RSVP so we’ll know how much pizza to order. 

If you want to get email about meetings, join this group. 

 

Members (96)

 
 
 

Happy 10th year, JCertif!

Notes

Welcome to Codetown!

Codetown is a social network. It's got blogs, forums, groups, personal pages and more! You might think of Codetown as a funky camper van with lots of compartments for your stuff and a great multimedia system, too! Best of all, Codetown has room for all of your friends.

When you create a profile for yourself you get a personal page automatically. That's where you can be creative and do your own thing. People who want to get to know you will click on your name or picture and…
Continue

Created by Michael Levin Dec 18, 2008 at 6:56pm. Last updated by Michael Levin May 4, 2018.

Looking for Jobs or Staff?

Check out the Codetown Jobs group.

 

Enjoy the site? Support Codetown with your donation.



InfoQ Reading List

Guardian's Secure Messaging: Open Source Messaging Uses Millions of App Users as Traffic Cover

The Guardian has recently released Secure Messaging, a highly secure and user-friendly tool designed to protect journalistic sources by concealing the very fact that messaging is occurring. The open source project achieves strong plausible deniability by generating bait traffic through the routine activity of existing users of The Guardian's mobile app.

By Renato Losio

Microsoft Launches Azure DevOps MCP Server in Public Preview

Microsoft has unveiled the Azure DevOps Model Context Provider (MCP) Server in public preview, enabling seamless interaction between GitHub Copilot and Azure DevOps. This innovative tool allows developers to query and manage project data using natural language directly within VS Code, streamlining workflows and enhancing productivity while ensuring project data remains secure and local.

By Mark Silvester

Inside Netflix’s Title Launch Observability System: Validating Title Availability at Global Scale

Netflix has developed a platform called Title Launch Observability, which shifts observability from system health to product intent. Instead of relying solely on logs and metrics, the system validates launches against what users should see, catching content quality issues early. The platform helps detect issues such as missing artwork, incorrect recommendations, or localization gaps.

By Leela Kumili

Docker Desktop 4.42 Launches with Native IPv6, Integrated MCP Toolkit, and AI Model Packaging

Docker Inc. released Docker Desktop 4.42 on June 10, 2025, enhancing networking flexibility, AI workflow integration, and model distribution. Native IPv6 support now enables users to choose between dual-stack, IPv4-only, or IPv6-only modes with intelligent DNS resolution.

By Craig Risi

Anthropic Introduces Economic Futures Program to Address the Economic Impact of AI

Anthropic has announced the launch of its Economic Futures Program, an initiative designed to address the economic impact of AI.

By Daniel Dominguez

© 2025   Created by Michael Levin.   Powered by

Badges  |  Report an Issue  |  Terms of Service