Is each of the following class identifiers (a) legal and conventional, (b) legal but unconventional, or (c) illegal? a. myClass b. void c. Golden Retriever d. invoice# e. 36542ZipCode f. Apartment g. Fruit h. 8888 i. displayTotal() j. Accounts_Receivable
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Is each of the following class identifiers (a) legal and conventional, (b) legal but unconventional, or (c) illegal?
a. myClass
b. void
c. Golden Retriever
d. invoice#
e. 36542ZipCode
f. Apartment
g. Fruit
h. 8888
i. displayTotal()
j. Accounts_Receivable
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- Name at least three attributes that might be appropriate for each of the following classes:a. RealEstateListingb. Vacationc. CreditCardBillln OOP perspective, it is nothing but an instance of a class that contains real values instead of variables.A.MethodB.VariableC.ClassD.ObjectPS: Please say the logic behind it. Thank you! 1. Create a java class Vehicle.a. The class should have two fields:i. no_of_seats and no_of_wheels.b. Create two objectsi. Motorcycle and Car for this class.c. Your output should show the descriptions for Car and Motorcycle
- 1. Create a class called Student, with the following attributes/variables:a. studentName (String)b. studentNumber (int)sc. regYear(long)d. faculty(String)e. department(String)2. Add the following methods in Student:a. accessors and mutators for all variablesb. toString methodi. Formulate your toString so that it only shows studentName,studentNumber and faculty3. Create a class called MyFriends, with the following attributes variables:a. studentArray(Student[])4. Add the following methods in MyFriends:a. fillArrayi. Using scanner ask how many students does the user want to inputii. Capture user input for all of his friends(Of course we are assuming all your friends would be similarUWC students, go ask around and meet new friends, alsopreferably not in the same Computer Science department … ifpossible … only if possible)b. maini. Call the fillArray methodii. Count how many Computer Science studentsiii. If half or more students are Computer Science students, thendisplay “You … need more…ASAP!! Solve the written question not the image one Q3 part 3 attached in the image with the table 1 if you want to recreate code then you can Do the following question: Question Write code for an Invoice class for a car sale. Printing an object of the Invoice should print thedetails about the seller, the buyer, the dealer, the date of transaction, the car being sold, the purchase and selling price, the commission earned by the dealer, sales tax, and the total price of the car (calculated given the details in Question 3 part 3). A generation of the invoice object should set the isSold variable of the car class to true. You do not need to write code for any other classes Syntax of the Q3 code is given below: import java.util.*; class Car{ //class car String[] name; int reg_number,eng_number, chassis_num,status; String[] city, model, color, date_reg,date_arr,type; float price; float abstract calculate (float price); } class Dealer extends Car{ //inherits…What is the difference between a class and an object? O Blueprint class is an object make a An object is a blueprint to make a class A class is a blueprint to make an object A blueprint is an object to make a class Which one is not the basic element of * OOP? O Polymorphism Class Abstraction BlueJ
- RentableDwelling and ApartmentBuilding is done I am stuck on Townhouse, Studio nad tester. Write an abstract class (Links to an external site.), RentableDwelling, containing: a (private (Links to an external site.)) double (Links to an external site.) instance variable (Links to an external site.), rentPerUnit a (private (Links to an external site.)) String instance variable (Links to an external site.), name a constructor (Links to an external site.) accepting a double (Links to an external site.) and a String used to initialize (Links to an external site.) rentPerUnit and name an abstract method (Links to an external site.) getRentalIncome that returns a double (Links to an external site.) write a (non-abstract) subclass, ApartmentBuilding, containing: an int (Links to an external site.) instance variable (Links to an external site.) numberOfApartments a constructor (Links to an external site.) accepting a double and String (Links to an external site.), passed to the superclass…1. Create House Class with the following properties and methodsa.floorSizeb. noOfFloorsc. noOfDoorsd.switchOn()e.lightOpen()f.ovenOpen()2. Create TownHouse Class inherit the House class3. Modify the value of the following(noOfFloors and noOfDoors)4. Instantiate the TownHouse Class once5. Display all the properties6. Calling the switchOn() will automatically execute lightOpen() and ovenOpen()CSC: Rectangles Use JAVA program. Must. Create two classes. Class Rectangle is a class that represents an axis-aligned rectangle. Class RectangleTesteris the driver class, used to test the Rectangle class. Class Rectangle: An instance of the class Rectangle represents a valid axis-aligned rectangle. It has several instance variables that one needs to use to describe a rectangle, as well as methods that operate on these variables. Rectangle instance variables: Class Rectangle will have the following instance variables: •x –a double that represents the x coordinate of the lower left vertex of the rectangle •y –a double that represents the y coordinate of the lower left vertex of the rectangle •width –a double that represents the width of the rectangle •height–a double that represents the height of the rectangle •color –a String that represents the color of the rectangle •filled –a boolean variable that is true if the rectangle is filled, and false if it is not For the rectangle to be…
- Java Two files are required, a data class named Car and an executable class named TestCar. Class Car (data class, no main method) five instance data members, all private: String make, String model, int year, double price, String color. one static, or class, member named unitsSold assigned a value of zero. Make it public. a no-arg constructor, and another parameterized constructor that sets values in all data members when called. Both constructors should increment the unitsSold static data member. has setters and getters for each data member. a toString() method that returns the state of all data members of a Car instance In Class TestCar must hold a main method and a method named evaluateCars In main: create two Car instances using the parameterized constructor. create a third Car instance with the no-arg constructor use all of the Car class setter methods to assign values to the third Car's data members. use the "array initializer" syntax to make an array to hold these three Car…Create a class Book with the data members isbn, title, price. Create a class Special Edition which is subclass of Book and with a data member discountRate. Create a class BookTest with main() to test the above classes. Constructors & Methods: - Create constructors to give the values to the data members. Values shall come from user. - Create a method display() in Book class which displays isbn, title and price. Override the same display() of Book class in Special Edition. This method displays isbn, btitle, price using super.display() and display the discounted price.PYTHON PROGRAMMING ONLY Im making a patient portal/ record keeping system but my code isnt working please help code below (class Menu section isnt working also menu =Menu() isnt working) CODE: class Person:def __init__(self, name, dob, address, phone_number):self.name = nameself.dob = dobself.address = addressself.phone_number = phone_numberclass Patient(Person):def __init__(self, name, dob, address, phone_number, medical_history):super().__init__(name, dob, address, phone_number)self.medical_history = medical_historyclass Menu:def __init__(self):self.options = {1: self.view_personal_info,2: self.update_personal_info,3: self.view_medical_history,4: self.update_medical_history,5: self.exit}def display(self):print("Menu:\n")print("1. View personal information")print("2. Update personal information")print("3. View medical history")print("4. Update medical history")print("5. Exit")def run(self):while True:self.display()choice = input("Enter your choice: ")try:choice =…
