Given the following class definition, how would you instantiate it
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Computer Science
Given the following class definition, how would you instantiate it?
public class ShoeClass {
String name;
String brand;
double price;
public ShoeClass(String name, String brand, double price) {
this.name = name;
this.brand = brand;
this.price = price;
}
}
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- 49. Consider the following class definition. public class Cylinder } private double baseRadius; private double height; public Cylinder () baseRadius = 0; height = 0; public Cylinder (double 1, double h) } baseRadius - 1; height = h; { public void set (double r, double h) } baseRadius = r; height = h; { public String toString () } return (baseRadius + It n + height); { public double SurfaceArea () return 2 * 3.14 * baseRadius height; public double volume () } return 3.14 baseRadius * baseRadius * height; { Which of the following statements correctly instantiates the Cylinder object myCylinder? (i) Cylinder mycylinder = new Cylinder (2.5, 7.3) : (ii) class Cylinder myCylinder = new Cylinder (2.5, 7.3); (ii) myCylinder new Cylinder (2.5, 7.3); %3D a. Only (i) b. Only (i) c. Only (iüi) d. Both (ii) and (ii)8. OOPS Theory #6 public class Car { public void horn() { System.out.println("Horn horn"); } } public class Ferrari extends Car { public void horn() { System.out.println("Ferarriiiiii"); } } public static void main(String[] args) { Ferrari ferrari = new Car(); ferrari.horn(); } Pick ONE option Horn horn Ferarriiii Cannot compile Runtime exception Clear Selection 9. OOPS Theory #7 In Java, we can achieve the abstraction by creating the blueprint of an object and only have abstract methods. What do we call this? Pick ONE option Interface Encapsulation Instance Protected Clear Selectionpublic class Product { private String name; private double cost; public Product(String n, double c) { name=n; cost=c; } public String getName() { return name; } public double getCost() { return cost; What is the output of the code on the right? } public String toString() { return (name + "$" + cost); Shampoo $13.89 Shampoo $13.89 public static void addProducts (ArrayList c) { c.add(new Product("Shampoo", 13.89)); c.add(new Product("Bread",4.99)); c.add(new Product("Cereal",7.49)); } public static void main(String[] args) { ArrayList cart1 = new ArrayList(); addProducts(cart1); ArrayList cart2 = cart1; System.out.println(cart1.get(0)); System.out.println(cart2.get(0)); }
- public class Player { private int jerseyNumber; private int rating; public Player(int jerseyNumber, int rating) { this.jerseyNumber = jerseyNumber; this.rating = rating; } public int getJerseyNumber() { return jerseyNumber; } public void setJerseyNumber(int jerseyNumber) { this.jerseyNumber = jerseyNumber; } public int getRating() { return rating; } public void setRating(int rating) { this.rating = rating; } @Override public String toString() { return "Jersey number: " + jerseyNumber + ", Rating: " + rating; }}public class RosterManager { private ArrayList<Player> roster; public RosterManager() { roster = new ArrayList<>(); } public void addPlayer(Player player) { roster.add(player); } public void updatePlayerRating(int jerseyNumber, int newRating) { for (Player player : roster) { if (player.getJerseyNumber() ==…Go off this code: public abstract class Employee{private String firstName;private String lastName;private String SSN;double salary; public Employee( String first, String last, String ssn ){firstName = first;lastName = last;SSN = ssn;} public void setfirstName( String first ){firstName = first; // should validate} public String getfirstName(){return firstName;} public void setlastName( String last ){lastName = last; // should validate} public String getlastName(){return lastName;} public void setSSN( String ssn ){this.SSN = ssn;}public String getSSN(){return SSN;} @Overridepublic String toString(){return String.format( "%-12s%-12s%-12s", getfirstName(), getlastName(), getSSN() );}public abstract double earnings();}Conver the class To UML diagram class Clint { private String accNumber; private String holderName; private long currBalance; public Clint() { currBalance = 0; } public Clint(String acc, String name, long bal) { accNumber = acc; holderName = name; currBalance = bal; } Scanner sc = new Scanner(System.in); // deposit money into the bank account by given amount amt public void deposit(long amt) { currBalance += amt; } // if amount is not given ask the user for the amount public void deposit() { System.out.print("Enter Amount(to deposit): $"); long amt = sc.nextLong(); currBalance += amt; } // withdraw money from the bank account public void withdraw(long amt) { if (currBalance >= amt) { currBalance -= amt; } else { System.out.println("Insufficient funds!"); } } // if amt is not given ask the user for the amount public…
- Subclass toString should call include super.toString(); re-submit these codes. public class Vehicle { private String registrationNumber; private String ownerName; private double price; private int yearManufactured; Vehicle [] myVehicles = new Vehicle[100]; public Vehicle() { registrationNumber=""; ownerName=""; price=0.0; yearManufactured=0; } public Vehicle(String registrationNumber, String ownerName, double price, int yearManufactured) { this.registrationNumber=registrationNumber; this.ownerName=ownerName; this.price=price; this.yearManufactured=yearManufactured; } public String getRegistrationNumber() { return registrationNumber; } public String getOwnerName() { return ownerName; } public double getPrice() { return price; } public int getYearManufactured() { return yearManufactured; }…class Lease{ private String name; private int aptNumber; private double rent; private int term; private static final int FEE = 10; public Lease(){ name = "XXX"; aptNumber = 0; rent = 1000; term = 12; } public void setName(String tenant) { name = tenant; } public void setAptNumber(int apt){ aptNumber = apt; } public void setRent(double monthRent) { rent = monthRent; } public void setTerm(int t){ term = t; } public String getName(){ return name; } public int getAptNumber(){ return aptNumber; } public double getRent(){ return rent; } public int getTerm(){ return term; } public void addPetFee(){ rent = rent + FEE; } } Create a class named TestLease as instructed below: Instantiate four Lease objects in the main()method. Change the aptNumber value for the first object to 20 Change the rent value…public class FoodItem { private String name; private double fat; private double carbs; private double protein; // TODO: Define default constructor // TODO: Define second constructor with parameters to initialize private fields (name, fat, carbs, protein) public String getName() { return name; } public double getFat() { return fat; } public double getCarbs() { return carbs; } public double getProtein() { return protein; } public double getCalories(double numServings) { // Calorie formula double calories = ((fat * 9) + (carbs * 4) + (protein * 4)) * numServings; return calories; } public void printInfo() { System.out.println("Nutritional information per serving of " + name + ":"); System.out.printf(" Fat: %.2f g\n", fat); System.out.printf(" Carbohydrates: %.2f g\n", carbs); System.out.printf(" Protein: %.2f g\n", protein); }} import java.util.Scanner; public class NutritionalInfo {…
- Public Class SavingsAccount { float interest; float FixedDeposit; SeniorAccount(float interest, float FixedDeposit) { this. interest = interest; this.fixedDeposit= FixedDeposit; } float calculateInterest(); { System.out.println(“Calculating Savings Account Interest”); return(FixedDeposit*interest/100); } } Public Class SeniorAccount extends SavingAccount { float seniorInterest; SeniorAccount(float interest, float FixedDeposit) { this.seniorInterest=interest; super(interest, FixedDeposit) } float calculateInterest() { System.out.println(“Calculating Savings Account Interest”); return(FixedDeposit*seniorinterest/10); } } Public static void main(String args[]) { SavingsAccount saving = new SavingsAccount(6,100000); System.out.println(saving.calculateinterest()); SeniorAccount senior=new seniorAccount(10,100000); System.out.println(Senior.calculateInterest()); } Correct the syntax and logical errorPublic Class SavingsAccount { float interest; float FixedDeposit; SeniorAccount(float interest, float FixedDeposit) { this. interest = interest; this.fixedDeposit= FixedDeposit; } float calculateInterest(); { System.out.println(“Calculating Savings Account Interest”); return(FixedDeposit*interest/100); } } Public Class SeniorAccount extends SavingAccount { float seniorInterest; SeniorAccount(float interest, float FixedDeposit) { this.seniorInterest=interest; super(interest, FixedDeposit) } float calculateInterest() { System.out.println(“Calculating Savings Account Interest”); return(FixedDeposit*seniorinterest/10); } } Public static void main(String args[]) { SavingsAccount saving = new SavingsAccount(6,100000); System.out.println(saving.calculateinterest()); SeniorAccount senior=new seniorAccount(10,100000); System.out.println(Senior.calculateInterest()); } Rubric: Correct the syntax and logical errors Proper working codeinterface StudentsADT{void admissions();void discharge();void transfers(); }public class Course{String cname;int cno;int credits;public Course(){System.out.println("\nDEFAULT constructor called");}public Course(String c){System.out.println("\noverloaded constructor called");cname=c;}public Course(Course ch){System.out.println("\nCopy constructor called");cname=ch;}void setCourseName(String ch){cname=ch;System.out.println("\n"+cname);}void setSelectionNumber(int cno1){cno=cno1;System.out.println("\n"+cno);}void setNumberOfCredits(int cdit){credits=cdit;System.out.println("\n"+credits);}void setLink(){System.out.println("\nset link");}String getCourseName(){System.out.println("\n"+cname);}int getSelectionNumber(){System.out.println("\n"+cno);}int getNumberOfCredits(){System.out.println("\n"+credits); }void getLink(){System.out.println("\ninside get link");}} public class Students{String sname;int cno;int credits;int maxno;public Students(){System.out.println("\nDEFAULT constructor…