Learn more about Java from our Threads directory

800 Chat - Contains numerous web chat rooms. Includes games

A Proposal for Fixing the Java Programming Language's Threading Problems - Java's threading model is entirely inadequate for programs of realistic complexity and isn't in the least bit object oriented.

Achieve Strong Performance With Threads - Part 4

Achieve Strong Performance With Threads - Part 3

Achieve Strong Performance With Threads - Part 2

Achieve Strong Performance With Threads - Part 1

Amanda's Table - Established and growing chat community. Membership required and fees.

AOK Chat - Express yourself to other teens and adults with sound and emoticons.

Avoid Synchronization Deadlocks - Explains how to apply consistent rules for acquiring multiple locks simultaneously

BetaChat - Online community of chatrooms for all ages

Blackboard - A hybrid drawing and chat interface that lets you draw with the people you're chatting with. Requires Java.

Buzz Chat - Offers rooms covering various topics of discussion. Includes the ability to create your own rooms.

Can Double-Checked Locking be Fixed? - In this article

Can ThreadLocal Solve the Double-checked Locking Problem? - Explains how to fix the double-checked locking idiom by using thread-local variables and takes a look at its performance.

Cancellation - Discussion of thread cancellation techniques in Java. (excerpt from Doug Lea's Concurrent Programming in Java book)

Chat Avenue - Offering a variety of chat rooms for people of all ages based on Javascript.

Chat Connection - Real time chat rooms for teenagers

Chat Family - For all ages. Staffed by trained chat administrators.

Chat Me Up - Featuring both text and avatar based chatrooms. Meet friends from around the world today.

Chat Open - Chat network featuring rooms for all age groups. Message boards

Chat Valley - Meet new and exciting people from around the world.

Chat Web - Includes chat rooms for singles

Chat-Alot - Site features two clean teen and adult chat rooms. Includes downloads

Chat-Zone.com - Includes college

ChatStop - Communicate with people all over the world. Moderated and unmoderated chat.

Computer Geeks Chat - Java chat to connect you with other computer geeks

Cool Teen Chat - Chat

Cool2Chat.com - Community featuring 8 java chat rooms and a help room. Rooms include a teen

Delphi Forums - Special events and open forum chats at Delphi web-based Forums.

DiaryChat - Instant access to chat rooms. DiaryChat allows members to create their own custom secure chat rooms.

Double-checked Locking and the Singleton Pattern - Examines the roots of the double-checked locking idiom

Double-Checked Locking: Clever - but Broken

Ease Your Multithreaded Application Programming - Takes a look at one of the most-used constructs in multithreaded programming: the producer-consumer scenario. Also shows a Consumer class which facilitates code reuse and simplifies debugging and maintenance in some multithreaded applications.

English Chat - A java based english chat room

Fool Moon Community - General moderated chat. Offers several connection options including a lite version of the client for faster loading.

Free Java Chat - Java chat applets to jump start your new web site.

Funky Times - Several rooms to choose from. Flirt and make new friends.

Going Atomic - Explains how the new atomic variable classes in JDK 5.0 enable the development of highly scalable nonblocking algorithms in the Java language.

Hey - where'd my thread go?

Hip Planet Chatroom - A place to chat and make friends. Java chat interface.

Implementing Read-Write Locks in Java - Read-write locks allow multiple threads to acquire a read lock provided no other thread currently has a write lock on the same object. A thread can acquire a write lock if no other thread owns either a read lock or a write lock.

Java Technology - Threads

Jenv - A programming tool for those who used to make their code by hand. It consists of a simple editor with integrated compilation and running facilities. [Open source]

Kcisland.com - Various Java chat rooms to choose from. Includes links.

Leahcims JavaChat - International Chat-Community. Useable in almost 20 languages and including online games.

mdthread - Message Driven Thread API for Java

Multi-Threading -- The Next Level - By Edward Harned. This article takes the multi-threading structures available today to the next level by making professional quality

Multi-threading in Java - Article by Neel V. Kumar. A tour in the land of multithreading in Java. Introduces the mechanisms and demonstrates how to use them in limited but very common cases.

Programming Java Threads in the Real World - Part 9

Programming Java Threads in the Real World - Part 8

Programming Java Threads in the Real World - Part 7

Programming Java Threads in the Real World - Part 6

Programming Java Threads in the Real World - Part 5

Programming Java Threads in the Real world - Part 4

Programming Java Threads in the Real World - Part 3

Programming Java Threads in the Real World - Part 2

Programming Java Threads in the Real World - Part 1

Quick Chat Cafe - Online community with multiple rooms and private chat.

RailChat.com - Register to chat in this community for people who are interested in railroads.

Safe construction techniques - Concurrent programming in Java applications is more complicated than it looks: there are several subtle (and not so subtle) ways to create data races and other concurrency hazards in Java programs. In this installment of Java theory and practice

Seminar: Concurrent Programming in Java - A comprehensive course covering all aspects of multi-thread programming in Java from plain synchronization over Java 5.0 concurrency utilities to memory model issues.

Simple Java Thread Management Library (SJT.Mgmt) - An easy to use library for adding thread management in Java applications. The library comes from early experience with JServ's lack of thread management

Singletons with Needles and Thread - Presents two approaches to creating thread-safe singletons.

Talk Rooms - Live 24 hour java chat for all ages. Includes an instant messenger

The "Double-Checked Locking is Broken" Declaration - Details on the reasons - some very subtle - why double-checked locking cannot be relied upon to be safe. Signed by a number of experts

The Story of Java - A presentation covering Java's history by James Gosling of Sun Labs.

The Ultimate Chatting Zone - Chat

TheChatSpot - Chat network for adults

ThirdAge Chat Schedule - Contains detailed listings of upcoming chats based around a variety of topics.

Thread Pools and Work Queues - Explores the motivations for thread pools

Thread Synchronization in Java - Producer Consumer

Thread Synchronization in Java (Sources) - Introduces basic concurrency problems and shows how to solve them by using builtin Java synchronization primitives. (Only sources free accessed without registration)

Threading Lightly: Exploiting ThreadLocal to Enhance Scalability - Examines ThreadLocal and offers tips for exploiting its power.

Threading Lightly: Reducing Contention - Explains why contended synchronization is a problem and then explores several techniques for reducing contention

Threading Lightly: Synchronization is not the Enemy - Takes a look at the semantics and the performance penalty of Java's synchronized keyword.

Threads 101 - Explains from the ground up how to get threads work correctly. (Chuck Allison)

VBTown Chat - Talk with other Visual Basic programmers online.

Warning! Threading in a Multiprocessor World - Many authors advocate the double-checked locking idiom to access a Singleton object in an intuitively thread-safe way. Unfortunately

Webmaster Inc. Chat - Java based chatrooms in English and other languages.

Why Thread Pools are Important in Java - Explains the use of thread pools to create better performing applications.

World Without Borders - Join people from around the world in chat and messageboards.

Writing Multithreaded Java Applications - Introduces the Java Thread API

Zone: Teen Chat - Includes free email