Network Programming-TCP Program instance (upload file)

 PackagenetTest;ImportJava.io.BufferedReader;ImportJava.io.FileReader;Importjava.io.IOException;ImportJava.io.InputStream;ImportJava.io.InputStreamReader;ImportJava.io.PrintWriter;Importjava.net.InetAddress;ImportJava.net.Socket;Importjava.net.UnknownHostException;//end tag for sending data ... To customize the end tag, first tell the server its own closing tag. //Timestamp Socket method ...  Public classtextclient { Public Static voidMain (string[] args)throwsException {//TODO auto-generated Method StubSocket s =NewSocket (Inetaddress.getlocalhost (), 7899); BufferedReader BUFR=NewBufferedReader (NewFileReader ("Tcpclient.java")); PrintWriter out=NewPrintWriter (S.getoutputstream (),true); LongTime =System.currenttimemillis ();        Out.println (time); String Line=NULL;  while(line = Bufr.readline ())! =NULL){            //System.out.println (line);out.println (line); }        //close the client output streamS.shutdownoutput ();//closes the output stream, which is equivalent to adding an end tag-1//Custom end tag out.println ("over");BufferedReader Bufin =NewBufferedReader (NewInputStreamReader (S.getinputstream ())); String Str=Bufin.readline ();        System.out.println (str);        Bufr.close ();    S.close (); }} PackagenetTest;ImportJava.io.BufferedReader;ImportJava.io.FileReader;ImportJava.io.FileWriter;Importjava.io.IOException;ImportJava.io.InputStreamReader;ImportJava.io.PrintWriter;ImportJava.net.ServerSocket;ImportJava.net.Socket; Public classTextserver { Public Static voidMain (string[] args)throwsException {//TODO auto-generated Method StubServerSocket SS =NewServerSocket (7899); Socket s=ss.accept (); System.out.println (S.getinetaddress (). Getlocalhost ()+ "..... connected"); BufferedReader Bufin=NewBufferedReader (NewInputStreamReader (S.getinputstream ())); PrintWriter out=NewPrintWriter (NewFileWriter ("Server.java"),true); String Line=NULL;  while(line = Bufin.readline ())! =NULL){            //System.out.println (line);            if("Over". Equals (line)) {                //The custom end tag.                  Break;        } out.println (line); } printwriter PW=NewPrintWriter (S.getoutputstream (),true); Pw.println ("Upload success!!! ");        Out.close ();        S.close ();    Ss.close (); }}

Network Programming-TCP Program instance (upload file)