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Chapter 3. Java Sockets and URLs - Pg. 40

40 Chapter 3. Java Sockets and URLs · · · · · · Sockets and Interprocess Communication Client/Server Methodology The Pizza Order Protocol (TPOP) The TPOP Server The TPOP Client UDP Client Sockets and Interprocess Communication At the heart of everything we discuss in this book is the notion of interprocess communication (IPC). In this chapter, we will look at some examples using Java mechanisms for interprocess communi- cation. IPC is a fancy way of saying "two or more Java programs talking with each other." Usually the programs execute on different computers, but sometimes they may execute on the same host.