Clean Code: A Handbook of Agile Software Craftsmanship

Appendix AConcurrency II

by Brett L. Schuchert

This appendix supports and amplifies the Concurrency chapter on page 177. It is written as a series of independent topics and you can generally read them in any order. There is some duplication between sections to allow for such reading.

Client/Server Example

Imagine a simple client/server application. A server sits and waits listening on a socket for a client to connect. A client connects and sends a request.

The Server

Here is a simplified version of a server application. Full source for this example is available starting on page 343, Client/Server Nonthreaded.

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   ServerSocket serverSocket = new ServerSocket(8009);    while (keepProcessing) {        try {            Socket ...