private void closeQuietly(){
		if( sin != null ){
			try {
				sin.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		if( sout != null ){
			sout.close();
		}
		if( socket != null ){
			try {
				socket.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}