Introduction to Programming MCQs with Answers
Practice important Introduction to Programming MCQs with answers and explanations.
Multiple Choice Questions
Q531: What should be considered when implementing date arithmetic in the Date class?
- A: Handling leap years and varying month lengths
- B: Using fixed number of days in each month
- C: Ignoring leap years and month lengths
- D: Restricting date changes to the current year only
View Answer
A
Q532: How is the pre-increment operator (++) implemented for the Date class?
- A: It increments the day and handles month/year changes
- B: It only increments the month
- C: It only increments the year
- D: It resets the date to the first day of the year
View Answer
A
Q533: What does the minus operator ( - ) for dates typically return?
- A: The difference in days between two dates
- B: A new date that is the result of subtracting one date from another
- C: A negative date if the first date is earlier
- D: The concatenated result of two dates
View Answer
A
Q534: Why should the logic of operator overloading be carefully designed?
- A: To ensure the operators behave as expected in all cases
- B: To introduce new functionality not supported by default
- C: To simplify the implementation of complex functions
- D: To reduce the need for additional code
View Answer
A
Q535: What is a key principle when defining operators for custom classes?
- A: They should make sense for the class and be easy to understand
- B: They should use new symbols to differentiate from built-in operators
- C: They should always return a new object
- D: They should avoid using standard operator functionality
View Answer
A
Q536: What is the main purpose of overloading the ++ operator for the Date class?
- A: To change the internal structure of the Date class
- B: To add a day to the current date
- C: To subtract a day from the current date
- D: To compare two dates
View Answer
B
Q537: Which operator would you overload to increment a Date object by one day?
- A: Date operator + (int)
- B: Date operator ++ (int)
- C: Date operator ++ ()
- D: Date operator -- ()
View Answer
C
Q538: What additional check is needed when implementing the ++ operator for the Date class?
- A: Check if the year is a leap year
- B: Check if the date is the last day of the month
- C: Check if the month is greater than 12
- D: Check if the day is less than 31
View Answer
B
Q539: What should be the return type of the comparison operators like > in the Date class?
- A: int
- B: char
- C: bool
- D: Date
View Answer
C
Q540: When overloading the ++ operator for Date, what must be done if the current day is the last day of the year?
- A: Increment the day only
- B: Increment the month and reset day to 1
- C: Increment the year and reset month and day
- D: Do nothing
View Answer
C