Hallo,
ich mache meine ersten Gehversuche in OOP und JAVA. Ich schreibe ein kleines Tool das mir für Online Gaming die IP Adressen und noch einige weiter Infos ausgibt. Bei dem nachfolgendem Code werden einige IP Adressen ausgegeben die ich nicht verstehe. Ich habe zwar nicht so viel Ahnung aber das sieht mir nach IP6 Notation aus.
Meine erste Class
Die Main Class
Und das ist die dazugehörige Ausgabe.
// -------------------------------------------------------
IP-ADDRESS: 178.195.225.61
-------------------------------------------------------------------
IP of my system is := 10.0.0.8
-------------------------------------------------------------------
addr.getHostAddress() = 10.0.0.8
addr.getHostName() = TurgutTemucin
addr.isAnyLocalAddress() = false
addr.isLinkLocalAddress() = false
addr.isLoopbackAddress() = false
addr.isMulticastAddress() = false
addr.isSiteLocalAddress() = true
addr.getHostAddress() = 5.91.252.197
addr.getHostName() = TurgutTemucin
addr.isAnyLocalAddress() = false
addr.isLinkLocalAddress() = false
addr.isLoopbackAddress() = false
addr.isMulticastAddress() = false
addr.isSiteLocalAddress() = false
addr.getHostAddress() = fe80:0:0:0:9887:9457:439c:b7fa%10
addr.getHostName() = TurgutTemucin
addr.isAnyLocalAddress() = false
addr.isLinkLocalAddress() = true
addr.isLoopbackAddress() = false
addr.isMulticastAddress() = false
addr.isSiteLocalAddress() = false
addr.getHostAddress() = fe80:0:0:0:286d:1b0b:4d3c:1ec2%13
addr.getHostName() = TurgutTemucin
addr.isAnyLocalAddress() = false
addr.isLinkLocalAddress() = true
addr.isLoopbackAddress() = false
addr.isMulticastAddress() = false
addr.isSiteLocalAddress() = false
addr.getHostAddress() = 2002:55b:fcc5:0:0:0:55b:fcc5
addr.getHostName() = TurgutTemucin
addr.isAnyLocalAddress() = false
addr.isLinkLocalAddress() = false
addr.isLoopbackAddress() = false
addr.isMulticastAddress() = false
addr.isSiteLocalAddress() = false
addr.getHostAddress() = 2001:0:5ef5:79fb:286d:1b0b:4d3c:1ec2
addr.getHostName() = TurgutTemucin
addr.isAnyLocalAddress() = false
addr.isLinkLocalAddress() = false
addr.isLoopbackAddress() = false
addr.isMulticastAddress() = false
addr.isSiteLocalAddress() = false
IP = 10.0.0.8
-------------------------------------------------------------------
10.0.0.8
fe80:0:0:0:9887:9457:439c:b7fa%10
fe80:0:0:0:0:5efe:a00:8%11
2002:55b:fcc5:0:0:0:55b:fcc5
2001:0:5ef5:79fb:286d:1b0b:4d3c:1ec2
fe80:0:0:0:286d:1b0b:4d3c:1ec2%13
fe80:0:0:0:200:5efe:55b:fcc5%15
5.91.252.197
-------------------------------------------------------------------
Was sind das für Rückgabe werte?
Gruss TFT
ich mache meine ersten Gehversuche in OOP und JAVA. Ich schreibe ein kleines Tool das mir für Online Gaming die IP Adressen und noch einige weiter Infos ausgibt. Bei dem nachfolgendem Code werden einige IP Adressen ausgegeben die ich nicht verstehe. Ich habe zwar nicht so viel Ahnung aber das sieht mir nach IP6 Notation aus.
Meine erste Class
Java:
package Class;
import java.net.*;
import java.util.*;
public class ipListe {
private String url;
// Instanze-Methoden
// <Rückgabetype> <name> ([<Parameterliste>]) ( Rumpf (Logic) )
private void setUrl(String newUrl){
// hir kann noch auswertung für die korektheit der angegeben URL plaziert werden.
url = newUrl;
}
public String getUrl(){
// Nur zur kontrolle der gesetzten URL.
return url;
}
public void printIpListe(){
//-----------------------------------------------------------------------------------------------------
try{
// Hole IP durch aufruf "ip.php" auf einem Server
URL u = new URL(url);
// die JAVA Scanner util öffnet einen Stream
Scanner scanner = new Scanner(u.openStream());
// hir werden die vom Server zurück geschickten Daten des PHP Scriptes
// gelesen und ausgegeben
while(scanner.hasNextLine()){
System.out.println(scanner.nextLine());
}
// hir wird der Stream wider geschlossen.
scanner.close();
}catch(Exception e){
System.out.println("Exception caught ="+e.getMessage());
}
System.out.println ("-------------------------------------------------------------------");
//-----------------------------------------------------------------------------------------------------
try{
// Hole Locale IP vom System
InetAddress ownIP=InetAddress.getLocalHost();
System.out.println("IP of my system is := "+ownIP.getHostAddress());
}catch (Exception e){
System.out.println("Exception caught ="+e.getMessage());
}
System.out.println ("-------------------------------------------------------------------");
//-----------------------------------------------------------------------------------------------------
try{
String hostName = InetAddress.getLocalHost().getHostName();
InetAddress addrs[] = InetAddress.getAllByName(hostName);
String myIp = "UNKNOWN";
for (InetAddress addr: addrs) {
System.out.println ("addr.getHostAddress() = " + addr.getHostAddress());
System.out.println ("addr.getHostName() = " + addr.getHostName());
System.out.println ("addr.isAnyLocalAddress() = " + addr.isAnyLocalAddress());
System.out.println ("addr.isLinkLocalAddress() = " + addr.isLinkLocalAddress());
System.out.println ("addr.isLoopbackAddress() = " + addr.isLoopbackAddress());
System.out.println ("addr.isMulticastAddress() = " + addr.isMulticastAddress());
System.out.println ("addr.isSiteLocalAddress() = " + addr.isSiteLocalAddress());
System.out.println ("");
if (!addr.isLoopbackAddress() == addr.isSiteLocalAddress()) {
myIp = addr.getHostAddress();
}
}
System.out.println ("\nIP = " + myIp);
}catch(Exception e){
System.out.println("Exception caught ="+e.getMessage());
}
System.out.println ("-------------------------------------------------------------------");
//-----------------------------------------------------------------------------------------------------
try {
for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements();) {
NetworkInterface intf = en.nextElement();
for (Enumeration<InetAddress> enumIpAddr = intf
.getInetAddresses(); enumIpAddr.hasMoreElements();) {
InetAddress inetAddress = enumIpAddr.nextElement();
if (!inetAddress.isLoopbackAddress()) {
System.out.println(inetAddress.getHostAddress().toString());
}
}
}
} catch (SocketException e) {
System.out.println("Exception caught ="+e.getMessage());
}
System.out.println ("-------------------------------------------------------------------");
//-----------------------------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------------------------
}
// Konstrucktor
public ipListe(String urlToGetIp){
// im Konstrucktor können auch Instanz Methoden verwendet werden.
setUrl(urlToGetIp);
printIpListe();
}
}
Die Main Class
Java:
package Programm;
import Class.ipListe;
class GetIP {
int c = 0 ;
public static void main(String [] args) {
ipListe c = new ipListe("http://www.optima-code.ch/ip.php");
}
}
Und das ist die dazugehörige Ausgabe.
// -------------------------------------------------------
IP-ADDRESS: 178.195.225.61
-------------------------------------------------------------------
IP of my system is := 10.0.0.8
-------------------------------------------------------------------
addr.getHostAddress() = 10.0.0.8
addr.getHostName() = TurgutTemucin
addr.isAnyLocalAddress() = false
addr.isLinkLocalAddress() = false
addr.isLoopbackAddress() = false
addr.isMulticastAddress() = false
addr.isSiteLocalAddress() = true
addr.getHostAddress() = 5.91.252.197
addr.getHostName() = TurgutTemucin
addr.isAnyLocalAddress() = false
addr.isLinkLocalAddress() = false
addr.isLoopbackAddress() = false
addr.isMulticastAddress() = false
addr.isSiteLocalAddress() = false
addr.getHostAddress() = fe80:0:0:0:9887:9457:439c:b7fa%10
addr.getHostName() = TurgutTemucin
addr.isAnyLocalAddress() = false
addr.isLinkLocalAddress() = true
addr.isLoopbackAddress() = false
addr.isMulticastAddress() = false
addr.isSiteLocalAddress() = false
addr.getHostAddress() = fe80:0:0:0:286d:1b0b:4d3c:1ec2%13
addr.getHostName() = TurgutTemucin
addr.isAnyLocalAddress() = false
addr.isLinkLocalAddress() = true
addr.isLoopbackAddress() = false
addr.isMulticastAddress() = false
addr.isSiteLocalAddress() = false
addr.getHostAddress() = 2002:55b:fcc5:0:0:0:55b:fcc5
addr.getHostName() = TurgutTemucin
addr.isAnyLocalAddress() = false
addr.isLinkLocalAddress() = false
addr.isLoopbackAddress() = false
addr.isMulticastAddress() = false
addr.isSiteLocalAddress() = false
addr.getHostAddress() = 2001:0:5ef5:79fb:286d:1b0b:4d3c:1ec2
addr.getHostName() = TurgutTemucin
addr.isAnyLocalAddress() = false
addr.isLinkLocalAddress() = false
addr.isLoopbackAddress() = false
addr.isMulticastAddress() = false
addr.isSiteLocalAddress() = false
IP = 10.0.0.8
-------------------------------------------------------------------
10.0.0.8
fe80:0:0:0:9887:9457:439c:b7fa%10
fe80:0:0:0:0:5efe:a00:8%11
2002:55b:fcc5:0:0:0:55b:fcc5
2001:0:5ef5:79fb:286d:1b0b:4d3c:1ec2
fe80:0:0:0:286d:1b0b:4d3c:1ec2%13
fe80:0:0:0:200:5efe:55b:fcc5%15
5.91.252.197
-------------------------------------------------------------------
Was sind das für Rückgabe werte?
Gruss TFT