NSC Information Technology Object-oriented programming: The MidCity Shopping Centre sell

Question

The MidCity Shopping Centre sells gift vouchers that can be used at any shop in the shopping centre. The minimum amount available per gift voucher card is R50 and the maximum amount available is R300.

3.1 - Purchase gift voucher
The user must enter a voucher number in the edit box edt03_VoucherNum, enter the name of the customer in the edit box edt03_2_1 and select an amount to be loaded onto the gift voucher from the combo box cmb03_2_1.
Write code to do the following:

- Extract the gift voucher number, the name of the customer and the amount from the relevant components.
- Use the extracted values to instantiate a new objGiftVoucher object.
- Display the details of the gift voucher in the output area red03_2_1 using the toString method.

3.2.1
The gift voucher number to be used must be retrieved from the edit box edt03_VoucherNum. Test if the gift voucher number entered is the same as the gift voucher number of the objGiftVoucher object by comparing it to the relevant object attribute value using the relevant object method.
- If the gift voucher numbers are the same:
  - Use the getBalance method to display the gift voucher balance in currency format in panel pnl03_2_2.
  - Enable the btn03_2_b button.

3.2.2
To be able to check the balance of a gift voucher, the gift voucher number must be entered in the edt03_VoucherNum edit box.

- If objGiftVoucher.isSufficient(Purchase):
  - Update balance using the updateBalance method.
  - Display 'Voucher successfully used' on the label.
- Else:
  - Calculate outstanding amount and display message 'Transaction failed, outstanding: [amount]' formatted as "Transaction failed: [amount]"
- Display new balance in the panel pnl03_2_2.

The MidCity Shopping Centre sells gift vouchers that can be used at any shop in the shopping centre - NSC Information Technology - Question 3 - 2021 - Paper 1

Worked Solution & Example Answer:The MidCity Shopping Centre sells gift vouchers that can be used at any shop in the shopping centre - NSC Information Technology - Question 3 - 2021 - Paper 1

3.1. Write code to do the following:

3.2. Write code to do the following:

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