Difficulty: Medium

Average Score: 54%

Which value would require a string array as a data type?

Rationale

The birthdays, formatted as 12/24/1977, for every patient in a medical database require a string array as a data type.

Storing dates in a specific format necessitates the use of strings, as they can represent complex data formats like 'MM/DD/YYYY'. This allows for easy manipulation and display of date information without mathematical operations.

A (A list of indicators declaring whether a sleep study patient slept at least 6 hours each night) YOUR ANSWER

This value would typically utilize a boolean array, as indicators for sleep duration are binary (true/false). Each entry signifies whether a patient met the sleep requirement, making strings unnecessary for this type of data representation.

B (All the prime numbers between 0 and 900) YOUR ANSWER

Prime numbers are numerical values that can be stored in an integer array. Since these values do not require special formatting or representation as strings, they can be effectively managed as integers for mathematical operations and comparisons.

D (A list of all odd numbers from -1001 to 1001) YOUR ANSWER

Similar to the prime numbers, odd numbers can be stored as integers in an integer array. There is no need for string formatting, as these values are straightforward numerical entries suitable for arithmetic processing.

Conclusion

The requirement for a string array in programming typically arises when dealing with data that includes specific formatting or non-numeric characters. In the case of storing birthdays, the chosen format (12/24/1977) necessitates using strings to accommodate the slashes and the overall structure. Other options presented involve purely numerical data, which can be appropriately handled with integer or boolean arrays.

Related Questions

View all