August 2024
Intermediate to advanced
988 pages
24h 37m
English
Content preview from Core Java, Volume II: Advanced Features, 13th Edition
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Chapter 4 ▪ Networking
We begin this chapter by reviewing basic networking concepts, then move on to writing Java programs that connect to network services. We will show you how network clients and servers are implemented. Finally, you will see how to send e-mail from a Java program and how to harvest information from a web server.
4.1. Connecting to a Server
In the following sections, you will connect to a server, first by hand and with telnet, and then with a Java program.
4.1.1. Using Telnet
The telnet program is a great debugging tool for network programming. You should be able to launch it by typing telnet from a command shell.
In Windows, you need to activate telnet. Go to the Control Panel, select Programs, click Turn Windows Features ...