public String polecenieMV(String plik, String sciezka){
        String wynik;
        MoveFileToDirectory_CopyDelete(bkatalog+"//"+plik,bkatalog+"//"+sciezka+"//"+plik);
        wynik=plik+sciezka;
        return wynik;
    }

public static void MoveFileToDirectory_CopyDelete(String pathFile,String pathFile2)
    {
        InputStream inStream = null;
        OutputStream outStream = null;

        try{

            File afile =new File(pathFile);
            File bfile =new File(pathFile2);

            inStream = new FileInputStream(afile);
            outStream = new FileOutputStream(bfile);

            byte[] buffer = new byte[1024];

            int length;

            while ((length = inStream.read(buffer)) > 0){

                outStream.write(buffer, 0, length);

            }

            inStream.close();
            outStream.close();

            afile.delete();

            System.out.println("Plik zostal przeniesiony poprawnie!");

        }catch(IOException e){
            e.printStackTrace();
        }
    }