网络编程之tcp

/**
 *TCPServer
 *@author Winty [email protected]
 *@version 2008-12-15
 */
 import java.io.*;
 import java.net.*;
 class TCPServer{
     public static void main(String[] args)throws IOException{
         ServerSocket listen = new ServerSocket(5050);

        Socket server  = listen.accept();
        InputStream in = server.getInputStream();
        OutputStream out = server.getOutputStream();
         char c = (char)in.read();
         System.out.println("收到:" + c);
         out.write('s');

        out.close();
        in.close();
        server.close();
        listen.close();
    }
}

 

/**
 *TCPClient
 *@author Winty [email protected]
 *@version 2008-12-15
 */
 import java.io.*;
 import java.net.*;
 class TCPClient{
     public static void main(String[] args)throws IOException{
         Socket client = new Socket("127.0.0.1" , 5050);
        InputStream in = client.getInputStream();
        OutputStream out = client.getOutputStream();

         out.write('c');
         char c = (char)in.read();
         System.out.println("收到:" + c);
        out.close();
        in.close();
        client.close();
    }
}