Case-Based Critical Thinking Questions
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Case 9-2

Gregor, a software developer, is developing a calendar application. He has to use severalifconditional statements to ensure that the calendar displays the exact number of days present in each month of each year. He creates adayCountarray to keep track of the number of days in each month.
?Gregor wants to ensure February contains 29 days only in the year 2020 as it is a leap year. Which of the following should Gregor use to set the value in thedayCountarray?

A. if (thisYear === 2020) {dayCount[1] = 29;}
B. if (dayCount=29){2020;}
C. if {thisYear = 2020;dayCount[1] == 29;}
D. if {dayCount=29 && this year=2020;}

Answer: A