import java.io.*;
import java.net.*;
import javax.swing.JOptionPane;
 
public class DatosPC {
 
	  public DatosPC()
	  {
 
	  }
   public String IP()
	  { 
	  	try 
	  	{ 
	       InetAddress ip = InetAddress.getLocalHost();
	       return(ip.getHostAddress()); 	
	     }
         catch (Exception e) {e.printStackTrace();}  
         return "No hay ip";
	  }
   public String Nombre()
	  { 
	  	try 
	  	{
	      InetAddress ip =InetAddress.getLocalHost();
	      return(ip.getHostName()); 	
	    }
        catch (Exception e) {e.printStackTrace();}  
       return "Sin host"; 
	  }
 public static void main(String args[]) {
 	   DatosPC dp= new DatosPC();
 	   JOptionPane.showMessageDialog(null,"IP: "+dp.IP());
 	   JOptionPane.showMessageDialog(null,"Nombre del sistema: "+dp.Nombre());
     }
}