Consider: class Bike { } private String make; public Bike() { // ... } public Bike(String newMake) // ... } public public Bike (Bike bike) //... } Bike(Bike bike) is the no-arg constructor Bike() is the no-arg constructor Bike(String newMake) is the no-arg constructor This is not valid class declaration
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- C# Solve this error using System; namespace RahmanA3P1BasePlusCEmployee { public class BasePlusCommissionEmployee { public string FirstName { get; } public string LastName { get; } public string SocialSecurityNumber { get; } private decimal grossSales; // gross weekly sales private decimal commissionRate; // commission percentage private decimal baseSalary; // base salary per week // six-parameter constructor public BasePlusCommissionEmployee(string firstName, string lastName, string socialSecurityNumber, decimal grossSales, decimal commissionRate, decimal baseSalary) { // implicit call to object constructor occurs here FirstName = firstName; LastName = lastName; SocialSecurityNumber = socialSecurityNumber; GrossSales = grossSales; // validates gross sales CommissionRate = commissionRate; // validates commission rate BaseSalary = baseSalary; // validates base…Object-oriented programmingProgram the employee class as indicated in the diagramTo calculate the salary, just multiply the number of hours by the payment per hour.The capture method asks the user for the data for the three attributes, asks for the hours worked and the payment per hour and with these data calculates the salary.The show method displays all of the employee's data.Do not forget the getter and setter methods only for attributes of type privateYour company has 7 employees and you would like1. Capture the data of each employee2. Show the data of each employee3. Show the data of a particular employee4. Calculate and display the average salary5. Calculate and display the name of the employee with the highest salary6. Calculate and display the name of the employee with the lowest salary7. Calculate and show the total payment you will make for all your employeesGiven the following super class and subclasses: public abstract class ThemePark String name: // customer's name String icNo: // customer's identification card number boolean member: // either member or nonmember of the // theme park //Methods: //default and normal constructor //accessors //toString0 public abstract double calCharges0: //calculate the charges public class WaterPark extends ThemePark String activity: // surfBeach,waterRide or other //Methods: //default and normal constructor //accessors /toString0 public double calCharges) . public class WildlifePark extends ThemePark String category: //child or adult I/Methods: //default and normal constructor //accessors /toString) public double calCharges) .) b) Write code fragments in the application / driver class that can perform the following tasks: (Assume all relevant methods have been defined in all classes involved) ii) Assuming data has been stored in this tp array, calculate and display the total charges of every WaterPark…
- Activity - Abstract Class An English teacher wants to find assessment mark of all the students in his course. Write a java program to find assessment mark of the students using following instructions. Save the project/file as StudentAbstract. A) Abstract Class name: Assessment Abstract Member Method: - to calculate and return total score totalScore() B) Class name: English extends Assessment Member variables: QuizMark, PracticeTest, ListeningMark Member Method : - Constructor to initialize member variables - to calculate and return total score totalScore QuizMark + PracticeTest*0.25 + %3D ListeningMark/2 C) Controlling class : StudentAbstract - To create an object of English class - To print totalScore of the EnglishQuestion p .Full explain this question and text typing work only We should answer our question within 2 hours takes more time then we will reduce Rating Dont ignore this linepublic class Author2 {3 private String name;4 private int numberOfAwards;5 private boolean guildMember;6 private String[] bestsellers;78 public String Author()9 {10 name = "Grace Random";11 numberOfAwards = 0;12 guildMember = false;13 bestsellers = {"Minority Report", "Ubik", "The Man in the HighCastle"};14 }1516 public void setName(String n)17 {18 name = n;19 }20 public String getName()21 {22 return name;23 }2425 public void winsAPulitzer()26 {27 System.out.println(name + " gave a wonderful speech!");28 }29 } 1. This class includes a constructor that begins on line 8; however, it contains an error. Describe the error. 2. Rewrite the constructor header on line 8 with the error identied in part c of this question corrected. 3. Demonstrate how you might overload the constructor for this class. Write only the header. 4. Write a line of Java code to create an instance (object) of this class. Name it someAuthor. 5. Write a line of code to demonstrate how you would use the someAuthor object…
- public class Cat extends Pet { private String breed; public void setBreed(String userBreed) { breed = userBreed; } public String getBreed() { return breed; }} public class Pet { protected String name; protected int age; public void setName(String userName) { name = userName; } public String getName() { return name; } public void setAge(int userAge) { age = userAge; } public int getAge() { return age; } public void printInfo() { System.out.println("Pet Information: "); System.out.println(" Name: " + name); System.out.println(" Age: " + age); } } import java.util.Scanner; public class PetInformation { public static void main(String[] args) { Scanner scnr = new Scanner(System.in); // create a generic Pet and a Cat Pet myPet = new Pet(); Cat myCat = new Cat(); // declare variables for pet and cat info String petName, catName, catBreed; int petAge,…Code the StudentAccount class according to the class diagramMethods explanation:pay(double): doubleThis method is called when a student pays an amount towards outstanding fees. The balance isreduced by the amount received. The updated balance is returned by the method.addFees(double): doubleThis method is called to increase the balance by the amount received as a parameter. The updatedbalance is returned by the method.refund(): voidThis method is called when any monies owned to the student is paid out. This method can onlyrefund a student if the balance is negative. It displays the amount to be refunded and set thebalance to zero. (Use Math.abs(double) in your output message). If there is no refund, display anappropriate message.Test your StudentAccount class by creating objects and calling the methods addFees(), pay() andrefund(). Use toString() to display the object’s data after each method calledComputer Science hand.javapackage poker; import com.google.gson.Gson;import com.google.gson.GsonBuilder;import poker.Card; public class Hand{//private transient int i=10;// marked transient they will not serialized / deserialized public Card[] cards; public Hand(){} public boolean is_better_than(Hand H){return false;} public boolean is_equal(Hand H){return false;}} card.javapackage poker; public class Card{public enum Suite{HEARTS,CLUBS,DIAMONDS,SPADES} public enum Value{ACE,TWO,THREE,FOUR,FIVE,SIX,SEVEN,EIGHT,NINE,TEN,JACK,QUEEN,KING} public Suite suite;public Value value; public Card(){ }} // main.java import com.google.gson.Gson;import com.google.gson.GsonBuilder;import poker.Hand;import poker.Card; public class Main{ public static void main(String[] args){// this function is provided as a convenient way to// run the code from the command line.//// it will not be graded, but it needs to compile and// execute without a failure. System.out.println("Start"); // Demonstrate…
- Java - Calculator Classclass IndexItem { public: virtual int count() = 0; virtual void display()= 0; };class Book : public IndexItem { private: string title; string author; public: Book(string title, string author): title(title), author(author){} virtual int count(){ return 1; } virtual void display(){ /* YOU DO NOT NEED TO IMPLEMENT THIS FUNCTION */ } };class Category: public IndexItem { private: /* fill in the private member variables for the Category class below */ ? int count; public: Category(string name, string code): name(name), code(code){} /* Implement the count function below. Consider the use of the function as depicted in main() */ ? /* Implement the add function which fills the category with contents below. Consider the use of the function as depicted in main() */ ? virtualvoiddisplay(){ /* YOU DO NOT NEED TO IMPLEMENT THIS FUNCTION */ } };True or False A class can implement more than one interface.