Сохранение данных в приложении

public class storage{
    private SharedPreferences mSettings;
 
    public storage(String Storage_name){
        this.mSettings = getSharedPreferences(Storage_name, MODE_PRIVATE);
    }
 
   public void set(String Key, String Value){
        SharedPreferences.Editor editor = this.mSettings.edit();
        editor.putString(Key, Value);
        editor.apply();
    }
 
    public String get(String Key){
        return this.mSettings.getString(Key,null);
    }
}

SharedPreferences taxiCouter;
 
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
 
         taxiCouter = PreferenceManager.getDefaultSharedPreferences(this);
        TetDriverData.lastShownDistceOutOfCity = taxiCouter.getInt("intOutCity", 0) / 100;
        TetDriverData.lastShownPaymentOutOfCity = taxiCouter.getInt("payForOutOfCity", 0) / 100;
        TetDriverData.lastShownDistceInCity = taxiCouter.getInt("intInCity", 0) / 100;
        TetDriverData.lastShownPaymentInCity = taxiCouter.getInt("payForCity", 0) / 100;

this.mSettings = getSharedPreferences(Storage_name, MODE_PRIVATE);