Computer Science · May / June 2024 · Paper 2 SL · Question 10
Adapt for 2027Objects, accessors, mutators and constructors are B3.1, and writing the Car subclass uses inheritance (B3.2.1). Includes Higher Level only content, which Standard Level students do not study.
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10. A car rental company has offices in cities in Spain and Portugal. It manages its cars as a large, unsorted collection of rental objects that is accessed by a Java program. The following UML diagram describes the current main Rental class. Fuel type and transmission type were chosen to be Boolean because they have two choices: petrol or diesel for fuel type, and manual or automatic for transmission type. The brand and the model of the car are stored together as one string brandModel. Typically the company has many cars of the same brand and model. Rental example Rental object - numberPlate: String - brandModel: String - year: integer - rentalClass: char - pricePerDay: real - fuelType: boolean - transmissionType: boolean 9876 BMW Citrault Polo 2018 B 28.78 true false + default constructor + accessor and mutator methods
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10(a)[2]
10(b)[1]
10(c)[3]
10(d)[2]
10(e)[2]
10(f)[1]
10(g)[3]
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