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A local restaurant kept a record of the number of customers who visited the restaurant per day during the past year - NSC Information Technology - Question 4 - 2018 - Paper 1
Question 4
A local restaurant kept a record of the number of customers who visited the restaurant per day during the past year. Do the following: - Open the incomplete progra... show full transcript
Worked Solution & Example Answer:A local restaurant kept a record of the number of customers who visited the restaurant per day during the past year - NSC Information Technology - Question 4 - 2018 - Paper 1
Step 1
4.1 - Populate Customer array
Answer
To populate the customer array, follow these steps:
-
Read the Month from Combo Box:
- Extract the selected month from the combo box. This indicates which month’s data you are populating.
-
Initialize Counter:
- Create a counter variable
counterto 0 to keep track of the number of days in that month.
- Create a counter variable
-
Loop Through the Array:
- Use a loop to read the data for the selected month from
arrTempCustomers.
- Use a loop to read the data for the selected month from
-
Test for Selected Month:
- For each day in the array, check if it corresponds to the selected month.
-
Increment Counter:
- If a match is found, increment the counter.
-
Find Position of Customers:
- Use the index to retrieve the number of customers for each day from
arrTempCustomersand store it inarrCustomers.
- Use the index to retrieve the number of customers for each day from
-
Conversion to Integer:
- Convert the data from
arrTempCustomersto an integer and store it in the respective position ofarrCustomers.
- Convert the data from
-
Display a Success Message:
- After completing the population of the array, display a message indicating successful updates.
Step 2
4.2 - Display
Answer
To display the customer data, follow these steps:
-
Extract Day of Week:
- Read the selected index from the combo box (add 1 to the index for correct referencing).
-
Initialize Output String:
- Create an output string variable to compile the display information.
-
Loop Through Days of the Week:
- Use a loop to iterate through the number of days in the selected month and populate the output string.
-
Count Days in the Week:
- Count the number of days until the last day of the month based on previous calculations.
-
Construct the Output:
- For each day, format the string to include the number of customers, using brackets to display the respective values from
arrCustomers.
- For each day, format the string to include the number of customers, using brackets to display the respective values from
-
Display the Output Line:
- After the loop completes, compile the output string and display it in the user interface.