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Generic Server

import java.io.BufferedOutputStream; import java.io.FilterInputStream; import java.io.FilterOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.net.ServerSocket; import java.net.Socket; public class GenericServer {    public static void main(String args[]) {     int serverPort = 1234;     try {       ServerSocket server = new ServerSocket(serverPort);       do {         Socket client = server.accept();         (new ServerThread(client)).start();       } while (true);     } catch (IOException ex) {       System.exit(0);     }   } } class ServerThread extends Thread {   Socket client;   public ServerThread(Socket client) {     this.client = client;   }   public void run() {     try {       ServiceOutputStream outStream = new ServiceOutputStream(new BufferedOutputStream(client           .getOutputStream()));       ServiceInputStream inStream = new ServiceInputStream(client.getInputStream());       ServiceRequest request = inStream.getRequest();       while (processRequest(outStream)) {       }       client.close();     } catch (IOException ex) {       System.exit(0);     }   }   public boolean processRequest(ServiceOutputStream outStream) {     return false;   } } class ServiceInputStream extends FilterInputStream {   public ServiceInputStream(InputStream in) {     super(in);   }   public ServiceRequest getRequest() throws IOException {     ServiceRequest request = new ServiceRequest();     return request;   } } class ServiceOutputStream extends FilterOutputStream {   public ServiceOutputStream(OutputStream out) {     super(out);   } } class ServiceRequest { }