Unit 7: B3 Object-oriented programming
Topic 7.2: OOP: multiple classes Questions
Practice 1 exam-style questions for IB Computer Science Topic 7.2. Review the question stems below, then unlock the full Question Bank to access markschemes, model answers, and AI grading.
1Outline2 marks
2026
A ferry operator's Sailing class holds an array of Booking objects, and a Booking's fare is set by the Sailing when the booking is made — a Booking cannot exist without its Sailing. Outline the relationship between the Booking and Sailing classes.
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