public void withdraw(int code, int date, double value) throws InvalidCode,
			InvalidValue {
		if (!accounts.containsKey(code)) {
			throw new InvalidCode();
		}
		// if (value < accounts.get(code).getValue())
		if (value > accounts.get(code).getBalance()) {
			throw new InvalidValue();
		} else {

			// prelievi.add(accounts.get(code).getValue() - value);
			// prelievi.add(accounts.get(code).getBalance() - value);
			//double t = accounts.get(code).getBalance() - value;
			accounts.get(code).subtractFromBalance(value);
			if (date < accounts.get(code).getDate()) {
				date = accounts.get(code).getDate();

			}
		}
	}


	public void transfer(int fromCode, int toCode, int date, double value)
			throws InvalidCode, InvalidValue {
		if (!accounts.containsKey(fromCode) || !accounts.containsKey(toCode)) {
			throw new InvalidCode();
		}
// double s = accounts.get(fromCode).getValue();
		//double s = accounts.get(fromCode).getBalance();
		// if (s > accounts.get(toCode).getValue()) {

		//if (value > s) {
		if ( value> accounts.get(fromCode).getBalance()){
		throw new InvalidValue();
		} else {
			// double t = accounts.get(toCode).getValue();
			//double t = accounts.get(toCode).getBalance();
			//double t;
			//t = s- value;
			accounts.get(fromCode).subtractFromBalance(value);
			accounts.get(toCode).addToBalance(value);
			//t += s;

		}

	}