This document provides an overview of Java sockets including how they allow for client-server communication over networks, the lifecycle of a socket server, and code examples for a socket server and clients. It discusses how sockets provide connection-oriented and connectionless services in Java using classes like ServerSocket and Socket. Diagrams depict the use cases and classes for a socket server that handles weather requests from multiple clients. Code for a WeatherSocketServer class and examples of client requests are also included.

1. A Short Java Socket Tutorial Albert Guo [email_address]

5. Interactive Socket Server Lifecycle

6. Lifecycle of a multithreaded socket server

7. Use Case Diagram

8. Class Diagram

9. Socket Server Operations

10. WeatherSocketServer.java

11. WeatherSocketServer.java

13. Socket Client Operation

14. Socket Client

15. Socket Server Demo Client1’s request Client2’s request

16. Socket Clients Demo Client1 request for Taipei’s weather condition Client1 request for TaoYuan’s weather condition