java調用api查看電腦主機的ip地址和主機名稱

package yanhaochen;
import java.net.InetAddress;
import java.net.UnknownHostException;
public class hello{
    public void ip(){
        try {
            InetAddress inetAddress = InetAddress.getLocalHost();
            System.out.println("IP地址爲"+inetAddress.getHostAddress()+"主機名稱"+inetAddress.getHostName());
        }catch (UnknownError | UnknownHostException error){
            error.printStackTrace();
        }
    }
    public static void main(String[] args) {
        new hello().ip();
    }
}