UDP Learning 3 (send data via keyboard input demo)

1 Importjava.net.*;2 ImportJava.io.*;3 classUdpsdemo4 {5      Public Static voidMain (String[]args)throwsException6     {7         //Create a send-side socket service8Datagramsocket ds=NewDatagramsocket ();9         //ready to send packetsTenBufferedReader br=NewBufferedReader (NewInputStreamReader (system.in)); One String Line; A          while((Line=br.readline ())! =NULL) -         { -             if("886". Equals (line)) the                  Break; -             byte[] buf=line.getbytes (); -             //Data Package -Datagrampacket dp=NewDatagrampacket (Buf,buf.length,inetaddress.getbyname ("localhost"), 10000); +             //Send - Ds.send (DP); +         } A ds.close (); at     } - } -  - classUdprdemo - { -      Public Static voidMain (String[]args)throwsException in     { -         //create a receive-side socket service that explicitly listens for port numbers toDatagramsocket ds=NewDatagramsocket (10000); +          while(true) -         { the             //preparing packets to receive data *             byte[] buf=New byte[1024]; $Datagrampacket dp=NewDatagrampacket (buf,buf.length);Panax Notoginseng                         //Receive - Ds.receive (DP); theString address=dp.getaddress (). gethostaddress (); +String Data=NewString (Dp.getdata (), 0, Dp.getlength ()); ASystem.out.println ("IP:" +address); theSystem.out.println ("Data:" +data); +         } -     } $}

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UDP Learning 3 (send data via keyboard input demo)