An escape pod drill system is reviewing two designs. In design one, a single Register class holds lists of pod codes, capacities, last drill dates and fault counts, with methods operating on those lists by index. In design two, a Pod class holds the details of one pod and a Register class holds a list of Pod objects.
one way in which design one can enter a state that design two makes impossible.
A fairground operator must count how many Carriage objects have been created.
An observatory must design a single class representing a dome booking, recording which astronomer booked it, which targets were observed, when the session began, and its total duration. The program must add a target, report the number of targets, report the duration, and report whether the session is still open.
Practice IB Computer Science (First Exam 2027) Topic B3.1 Fundamentals of OOP for a Single Class with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for B3.1 Fundamentals of OOP for a Single Class and mirrors Paper 1, 2 style where relevant.
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