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Answer ALL questions in this section. This section relates to the Java programming language Questions in this section relate to the Case Study A provided with this assignment Questions 16 - 22 are multiple choice questions and each has only ONE correct answer. ONLY enter A-E. You will get zero marks if you enter more than one answer. 16 Which of the following is TRUE: a) Car is a client of both GarageList and CarTest b) Car is a client of GarageList and a supplier to Date c) Car is a supplier to both CarTest and Date d) Car is a supplier to both CarTest and GarageList e) Car is a supplier to Date and a client of CarTest Your answer letter: 17 Which of the following is FALSE, for code which could be added to Car a) String owner would declare a field b) public void payCost(float amount) would be the signature of a mutator c) public Car setCar()would be the signature of a constructor d) public int getCostPaid() would be the signature of an accessor e) String Date scrapped = new Date(1,1,2021) would declare a field Your answer letter: 18 Which of the following is TRUE a) An accessor USUALLY changes field values b) A mutator NEVER changes field values c) A constructor NEVER changes field values d) A mutator USUALLY returns a value e) A constructor NEVER returns a value Your answer letter:

SECTION B Case Study A This section relates to the Java programming language. TestRunner ListRunner Cartes Garage List Car . Date public class Car { private String regNo; private String make; private Date registered; private int milage; private double cost; private double costPaid; public Car (String reg, String mk, int mls) { make = mk; regNo = reg; milage = 0; cost = 0; cost Paid = 0; registered = null; ) public String getRegistration () { return regno; } public void setCost (double f) { cost = } //remaining code omitted but could include: Car(), updateMilage (), toString(), getMake () and other accessors/mutators/constructors } // continued below

public class GarageList private String name; private int areaCode; private ArrayList<Car> carlist = new ArrayList<Car>(); public GarageList(String nme, int cd) name = nme; areaCode = cd; } public void addCar (Car s) 1 carList.add(s); } public Car findCar (String cNo) { for (int index = 0; index < carlist.size(); index++) { Car temp = carlist.get (index); tempreg = temp.getRegistration (); if (cNo.equals (tempReg)) { return temp; } return null; //remaining code omitted 1/re