[java]代码库
import java.net.*;
/**
 * InetAddress Demo
 */
public class InetAddressDemo {
	public static void main(String[] args) {
		try {
			// 使用域名创建对象
			InetAddress inetAd = InetAddress.getByName("www.yuncode.net");// getByName是InetAddress类的静态方法
			System.out.println(inetAd);
			// 使用IP创建对象
			InetAddress inetAd2 = InetAddress.getByName("127.0.0.1");
			System.out.println(inetAd2);
			// 获得本机地址对象
			InetAddress inetAd3 = InetAddress.getLocalHost();
			System.out.println(inetAd3);
			// 获得对象中储存的域名
			String host = inetAd3.getHostName();
			System.out.println("域名: " + host);
			// 获得对象中储存的IP
			String ip = inetAd3.getHostAddress();
			System.out.println("IP: " + ip);
		} catch (Exception e) {
		}
	}
}