1. The Chat Problem

2. Contents
Problem Description
Solution

3. A) Problem Description
Develop a chat program that allow multiple participants to send and receive text messages
The server port could be 5000

4. B) Solution
Developing the Chat Server
Developing the Chat Client

5. I. Developing the Chat Server
The Runner Class
Developing VerySimpleChatServer Class

6. 1. The Runner Class

7. 2. Developing VerySimpleChatServer Class
2.1. Getting Ready to Serve Incoming Connections
2.2. Storing Client's Output Stream for Broadcast
2.3. Broadcasting Right After Receiving a Message

8. 2.1. Getting Ready to Serve Incoming Connections

10. 2.2. Storing Client's Output Stream for Broadcast

11. 2.3. Broadcasting Right After Receiving a Message

12. II. Developing the Chat Client
The Runner Class
Developing the View
Connecting to the Chat Server
Displaying Message If Receive One
Adding Listener to GUI Components

13. 1. The Runner Class

14. 2. Developing the View

15. 3. Connecting to the Chat Server

16. 4. Displaying Message If Receive One

17. 5. Adding Listener to GUI Components

19. References
Head First Java, second edition, chapter 15. Kathy Sierra and Bert Bates. O'Reilly, 2005
Building a Java chat server. Greg Travis. ibm/developerworks