private void createAddressArray() {
        // this method is used to calculate the addresses of the source code
        int Address = 0;
        String currentAddress = new String();
        int ORGAddress = 0;
        try {
            Address = Integer.parseInt(operands.get(0), 16);
            currentAddress = Integer.toHexString(Address).toUpperCase();
            Addresses.add(currentAddress);
            Addresses.add(currentAddress);
        } catch (Exception e) {
            currentAddress = Integer.toHexString(Address).toUpperCase();
            Addresses.add(currentAddress);
        }

        for (int i = 1; i < labels.size(); i++) {
            if (labels.get(i) != null && labels.get(i).equals("*")) {
                if (operationCodes.get(i).charAt(1) == 'X') {
                    Address += 1;
                } else {
                    int length = operationCodes.get(i).length() - 4;
                    Address += length;
                }
            } else if (operationCodes.get(i).equals("WORD")) {
                Address += 3;
            } else if (operationCodes.get(i).equals("BYTE")) {
                if (operands.get(i).charAt(0) == 'X') {
                    Address += 1;
                } else {
                    int length = operands.get(i).length() - 3;
                    Address += length;
                }
            } else if (operationCodes.get(i).equals("RESW")) {
                Address += (3 * Integer.parseInt(operands.get(i)));
            } else if (operationCodes.get(i).equals("RESB")) {
                Address += (Integer.parseInt(operands.get(i)));
            } else if (operationCodes.get(i).equals("EQU")) {
                if (!operands.get(i).equals("*")) {
                    if (calculate(operands.get(i)) == null) {
                        operands.set(i, "Error Forward Refernce Is Not Allowed is EQU");
                        check = false;
                    } else {
                        System.out.println(Addresses.get(i));
                        Addresses.set(i, calculate(operands.get(i)));
                    }
                    currentAddress = Integer.toHexString(Address).toUpperCase();
                }
            } else if (operationCodes.get(i).equals("ORG")) {
                if (operands.get(i) != null) {
                    if (calculate(operands.get(i)) == null) {
                        currentAddress = Integer.toHexString(Address).toUpperCase();
                        operands.set(i, "Error Forward Refernce Is Not Allowed is ORG");
                        check = false;
                    } else {
                        ORGAddress = Address;
                        Address = Integer.parseInt(calculate(operands.get(i)), 16);
                        currentAddress = Integer.toHexString(Address).toUpperCase();
                    }
                } else {
                    Address = ORGAddress;
                    currentAddress = Integer.toHexString(Address).toUpperCase();
                }

            } else if (operationCodes.get(i).equals("END") || operationCodes.get(i).equals("LTORG")) {

            } else {
                Address += 3;
            }
            if (operationCodes.get(i).equals("EQU") || operationCodes.get(i).equals("ORG")) {
                Addresses.add(currentAddress);
            } else {
                currentAddress = Integer.toHexString(Address).toUpperCase();
                Addresses.add(currentAddress);
            }
        }
    }