sample33_2.java

Java SE 6.0前32-34章示的示例代码,简单易学

package wyf.jc;
import java.io.*;
import java.net.*;
public class Sample33_2
{
	public static void main(String[] args)
	{
		try
		{
			//获取表示名称为wyf的主机对应IP地址的InetAddress对象
			InetAddress ip=InetAddress.getByName("wyf");
			//打印InetAddress对象描述的IP地址
			System.out.print("InetAddress对应的IP地址为："+ip.getHostAddress()+"，");
			//打印InetAddress对象描述的主机名
			System.out.println("主机名为："+ip.getHostName()+"。");
		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
	}
}