46 lines
1.7 KiB
Java
46 lines
1.7 KiB
Java
package praktikum5.aufgabe2;
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import java.net.InetAddress;
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import java.net.UnknownHostException;
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import java.net.SocketException;
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import java.net.NetworkInterface;
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public class MACAdresse {
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public static void main( String args[] ) {
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try {
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InetAddress iaddr1 = InetAddress.getByName("www.fh-dortmund.de");
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InetAddress iaddr2 = InetAddress.getLocalHost();
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InetAddress iaddr3 = InetAddress.getByName("localhost");
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System.out.println(iaddr1.getHostName() + ": " + iaddr1.getHostAddress());
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System.out.println(iaddr2.getHostName() + ": " + iaddr2.getHostAddress());
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System.out.println(iaddr3.getHostName() + ": " + iaddr3.getHostAddress());
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System.out.println();
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byte[] ip = iaddr3.getAddress();
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for(int i = 0; i < ip.length; i++) {
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System.out.println(i + ": " + ip[i]);
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}
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System.out.println();
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InetAddress[] iaddr4 = InetAddress.getAllByName("www.adeso.de");
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for (int i = 0; i < iaddr4.length; i++) {
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System.out.println(i + ": " + iaddr4[i].getHostName() + ": " + iaddr4[i].getHostAddress());
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}
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System.out.println();
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var net = NetworkInterface.getByName("eth0");
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byte[] macAdress = net.getHardwareAddress();
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for (int i = 0; i < macAdress.length; i++) {
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System.out.println(i + ": " + macAdress[i]);
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}
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}
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catch (UnknownHostException e) {
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System.out.println( "Host nicht bekannt: " + e );
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}
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catch (SocketException e) {
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System.out.println("Socket exception: " + e);
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}
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}
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}
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