public static void copyFiles(File source, File dest) throws IOException {

          InputStream input = null;

          OutputStream output = null;

          try {

                input = new FileInputStream(source);

                output = new FileOutputStream(dest);

                byte[] buf = new byte[1024];

                int bytesRead;

                while ((bytesRead = input.read(buf)) > 0) {

                       output.write(buf, 0, bytesRead);

                }

          } finally {

                input.close();

                output.close();

          }

   }