SharedPreferences sharedPref = getPreferences(Context.MODE_PRIVATE);
                SharedPreferences.Editor editor = sharedPref.edit();
                editor.putString(getString(R.string.savedPassword), sPassword);
                editor.putString(getString(R.string.savedName), sName);
                editor.apply();

                if(klasse.matches("")){}
                else
                {
                    editor.putString(getString(R.string.Klasse), klasse);
                    editor.apply();
                }

String SavedName = sharedPref.getString(getString(R.string.savedName), "");
                    String SavedPassword = sharedPref.getString(getString(R.string.savedPassword), "");
                    Toast.makeText(LoginActivity.this, "Saved " + SavedName + " " + SavedPassword, Toast.LENGTH_LONG).show();

SharedPreferences sharedPref = getPreferences(Context.MODE_PRIVATE);
                SharedPreferences.Editor editor = sharedPref.edit();
                editor.putString(getString(R.string.savedPassword), sPassword);
                editor.putString(getString(R.string.savedName), sName);
                //editor.apply();

                if(klasse.matches("")){}
                else
                {
                    editor.putString(getString(R.string.Klasse),
                    //editor.apply();
                }
                editor.commit();