Java Learning "Network Programming"

Blog: Http://blog.csdn.net/muyang_ren

Send and Receive Threads
Recv.java

 PackageLhy.socket.server;ImportJava.io.BufferedReader;ImportJava.io.IOException;ImportJava.io.InputStreamReader;ImportJava.net.Socket; Public  class Recv implements Runnable{String str =NULL;PrivateSocket client =NULL;PrivateInputStreamReader recv =NULL;PrivateBufferedReader reader =NULL; Public Recv(Socket c) { This. client = C; } Public void Run() {System.out.println ("Recv thread");//system.out.flush ();        Try{recv =NewInputStreamReader (Client.getinputstream ()); Reader =NewBufferedReader (recv); while(!client.isclosed ())                {str = reader.readline ();            System.out.println (str);        } client.close (); }Catch(IOException e)        {E.printstacktrace (); }    }}

Send.java

 PackageLhy.socket.server;ImportJava.io.IOException;ImportJava.io.OutputStreamWriter;ImportJava.io.PrintWriter;ImportJava.net.Socket;ImportJava.util.Scanner; Public  class Send implements Runnable{    PrivateSocket client =NULL;Private StaticOutputStreamWriter send =NULL;Private StaticPrintWriter writer =NULL; Scanner sin =NULL; String Msgstr =NULL; String Sendstr =NULL;//c: Client or server socket    //str: A string sent by the client or server: Server or Client     Public Send(Socket c,string str) { This. client = C; This. sendstr = str; } Public void Run() {System.out.println ("Send Thread"); Sin =NewScanner (system.in);Try{send =NewOutputStreamWriter (Client.getoutputstream ()); writer =NewPrintWriter (Send,true); while(!client.isclosed ())                {msgstr = Sin.nextline (); Writer.println (sendstr+client.getinetaddress () +":"+MSGSTR); }        }Catch(IOException e)        {System.out.println (E.getmessage ()); }    }}

Server
Testserver.java

 PackageLhy.socket.server;ImportJava.io.IOException;ImportJava.net.ServerSocket;ImportJava.net.Socket; Public  class testserver {    Private StaticServerSocket server;Private Static Final intTcp_port =3002;/** * @param args * *     Public Static void Main(string[] args) {System.out.println ("server->: Hello world! The greatest program! ");Try{//1. Setting up the serverServer =NewServerSocket (Tcp_port); System.out.println ("The server has been started!"); while(true) {//2. Listening client, only communication with one client is implemented here                //"If you want to communicate with multiple clients, connect the client                //Listen to save the client to the collection, send only one thread is enough, heavy                //Write my Send method, such as the implementation of sending the calendar to send the collection, while the server                //Receive a message when you need to open a thread for each client you hear. "Socket client =server.accept ();//3. Open the Receive threadRecv Readthread =NewRECV (client);NewThread (Readthread,"Server-read-thread"). Start (); Send Sendthread =NewSend (Client,"Server");NewThread (Sendthread,"Server-send-thread"). Start (); }         }Catch(IOException e)        {System.out.println (E.getmessage ()); }    }}

Client

 PackageLhy.socket.server;ImportJava.io.IOException;ImportJava.net.Socket;ImportJava.net.UnknownHostException; Public  class testclient {    Private StaticSocket Cliensocket;Private Final StaticString tcp_ip ="127.0.0.1";Private Final Static intTcp_port =3002;/** * @param args * *     Public Static void Main(string[] args) {System.out.println ("client->: Hello world! The greatest program! ");Try{Cliensocket =NewSocket (TCP_IP, Tcp_port); Recv Readthread =NewRECV (Cliensocket);NewThread (Readthread,"Receive"). Start (); Send Sendthread =NewSend (Cliensocket,"Client");NewThread (Sendthread,"Send"). Start (); }Catch(Unknownhostexception e)        {System.out.println (E.getmessage ()); }Catch(IOException e)        {System.out.println (E.getmessage ()); }    }}

Java Learning "Network Programming"