InetAddress类（IP地址）

package day1;

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

public class InetAddressDemo {
//InetAddress类，对应IP地址
//IP地址和端口号组合得到 网络套接字，即Socket
public static void main(String[] args) {
try {
InetAddress inet1=InetAddress.getByName("192.168.0.0");
System.out.println(inet1);
InetAddress inet2=InetAddress.getByName("www.baidu.com");
System.out.println(inet2.getHostName());
System.out.println(inet2.getHostAddress());
InetAddress inet3=InetAddress.getLocalHost();
System.out.println(inet3);
} catch (UnknownHostException e) {
e.printStackTrace();
}
}
}