localhostdemo.java

Java网络编程与分布式计算, 主要分析java网络各方面的编程, 提供许多实用安全

import java.net.*;

// Chapter 3, Listing 1
public class LocalHostDemo 
{
	public static void main(String args[])
	{
		System.out.println ("Looking up local host");

		try
		{
			// Get the local host
			InetAddress localAddress = InetAddress.getLocalHost();

			System.out.println ("IP address : " +
				                localAddress.getHostAddress() );
		}
		catch (UnknownHostException uhe)
		{
			System.out.println ("Error - unable to resolve localhost");
		}
	}
}