Java Socket Example 01

Server-side code:

 PackageServerSide;ImportJava.io.BufferedReader;Importjava.io.IOException;ImportJava.io.InputStream;ImportJava.io.InputStreamReader;ImportJava.io.OutputStream;ImportJava.io.PrintWriter;ImportJava.net.ServerSocket;ImportJava.net.Socket; Public classEchoserver {Private intPort = 8088; PrivateServerSocket ServerSocket;  PublicEchoserver () {Try{ServerSocket=NewServerSocket (port); } Catch(IOException e) {e.printstacktrace (); }    }         Publicstring Echo (String msg) {return"Echo:" +msg; }        Privateprintwriter getwriter (socket socket) {OutputStream socketout=NULL; Try{socketout=Socket.getoutputstream (); } Catch(IOException e) {e.printstacktrace (); }        return NewPrintWriter (Socketout,true); }        PrivateBufferedReader Getreader (socket socket) {InputStream Socketin=NULL; Try{Socketin=Socket.getinputstream (); } Catch(IOException e) {e.printstacktrace (); }        return NewBufferedReader (NewInputStreamReader (Socketin)); }         Public voidService () { while(true) {Socket Socket=NULL; Try{Socket=serversocket.accept (); System.out.println ("New Connection accepted" + socket.getinetaddress () + ":" +Socket.getport ()); BufferedReader BR=Getreader (socket); PrintWriter PW=getwriter (socket); String msg=NULL;  while(msg = Br.readline ())! =NULL) {System.out.println (msg);                    Pw.println (Echo (msg)); if(Msg.equals ("Bye"))                          Break; }            }            Catch(IOException e) {e.printstacktrace (); }            finally {                Try {                    if(Socket! =NULL) {socket.close (); }                }                Catch(IOException e) {

 Packageclientside;ImportJava.io.BufferedReader;Importjava.io.IOException;ImportJava.io.InputStream;ImportJava.io.InputStreamReader;ImportJava.io.OutputStream;ImportJava.io.PrintWriter;ImportJava.net.Socket; Public classechoclient {Private StaticString host = "10.11.121.239"; Private Static intPort = 8088; Privatesocket socket;  Publicechoclient (String hostname) {host=hostname; Try{Socket=NewSocket (host, Port); } Catch(IOException e) {e.printstacktrace (); }    }         Publicechoclient () { This(host); }            Privateprintwriter getwriter (socket socket) {OutputStream socketout=NULL; Try{socketout=Socket.getoutputstream (); } Catch(IOException e) {e.printstacktrace (); }        return NewPrintWriter (Socketout,true); }            PrivateBufferedReader Getreader (socket socket) {InputStream Socketin=NULL; Try{Socketin=Socket.getinputstream (); } Catch(IOException e) {e.printstacktrace (); }        return NewBufferedReader (NewInputStreamReader (Socketin)); }             Public voidTalk () {Try{bufferedreader br=Getreader (socket); PrintWriter PW=getwriter (socket); BufferedReader Localreader=NewBufferedReader (NewInputStreamReader (system.in)); String msg=NULL;  while(msg = Localreader.readline ())! =NULL) {pw.println (msg);                                System.out.println (Br.readline ()); if(Msg.equals ("Bye"))                     Break; }        }        Catch(IOException e) {e.printstacktrace (); }        finally {            Try{socket.close (); }            Catch(IOException e) {e.printstacktrace (); }        }    }             Public Static voidMain (string[] args) {Newechoclient (). talk (); }}

                    e.printstacktrace ()    ;         }}}  Public Static void throws IOException {                new  echoserver (). Service ();    }}

Client Code:

Java Socket Example 01