InetAddress 类简介

package javanet;

import java.net.InetAddress;
import java.net.UnknownHostException;

public class demo1 {
/* * 这里讲的TCP UDP只是用于局域网，如果是互联网，那么还是需要更进一步的学习才行 */
    public static void main(String[] args) {

        try {
            InetAddress ia = InetAddress.getByName("www.taobao.com");
            String address = ia.getHostAddress();
            P(address);

        } catch (UnknownHostException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
public static void P(String s){

System.out.println(s);
}
}