The __________ declares that this method overrides a method in the base class. a. override keyword b. class keyword c. virtual keyword d. base keyword
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OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
The __________ declares that this method overrides a method in the base class.
a. override keyword
b. class keyword
c. virtual keyword
d. base keyword
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- Part A Create a class named Apartment that holds an apartment number as aptNumber, number of bedrooms as bedrooms, number of baths as baths, and rent amount as rent. Create a default constructor that accepts no arguments and an overloaded constructor that accepts values for each data field. Also create a get method for each field. Part B Write an application called TestApartments that creates at least five Apartment objects. Then prompt a user to enter a minimum number of bedrooms required, a minimum number of baths required, and a maximum rent the user is willing to pay. Display data for all the Apartment objects that meet the user’s criteria or an appropriate message if no such apartments are available. An example of the program is shown below: Enter minimum number of bedrooms needed >> 2 Enter minimum number of bathrooms needed >> 1.5 Enter maximum rent willing to pay >> 1200 Apartments meeting criteria of at least 2 bedrooms, at least 1.5 baths, and no more than…Write Rectangle class to represent a rectangle. The class contains:a. Two double data fields named width and height that specify the width and height ofthe rectangle. The default values are 1 for both width and height.b. A no-arg constructor that creates a default rectangle.c. A constructor that creates a rectangle with the specified width and height.d. A method named getArea() that returns the area of this rectangle.e. A method named getPerimeter() that returns the perimeter.Create a class called Invoice that a hardware store might use to represent an invoice for an item sold at the store. An Invoice should include four pieces of information as instance variable Part number(type String) Part description(type String) Quantity of the item being purchased (type int) Price per item (double). Your class should have a constructor that initializes the four instance variables. Provide a set and a get method for each instance variable. In addition, provide a method named getInvoice Amount that calculates the invoice amount (i.e., multiplies the quantity by the price per item), then returns the amount as a double value. If the quantity is not positive, it should be set to 0. If the price per item is not positive, it should be set to 0.0. Write a test application named InvoiceTest that demonstrates class Invoice’s capabilities.
- 1. Write an app that computes student average2. Create a class called Student3. Use the init () function to collect the student information: name, math, science, and English grade4. Create a method (class function) that computes the average5. Create another method that outputs (similarly to) the ff when calledName: John Math: 90Science: 90English: 90Average: 90 (Passed)6. Instantiate a Student object and utilize the defined methods***Let the user input that student infoAssume method testQuestion() is a method in the Purchase class. Assume the Purchase class has a constructor that has parameters of name, groupCount, groupPrice, and numberBought. public Purchase testQuestion(Purchase p1, int newX) { newX = 20; this.setName("green beans"); p1.setName("corn"); Purchase p2 = new Purchase("broccoli", 5, 4.50, 10); return p2; } Referring to the above method, list the output that would be printed by Sysyem.out.println() when the following PurchaseDemo2 is executed. public class PurchaseDemo2 { public static void main(String[] args) { Purchase tomsPurchase = new Purchase("squash",4,3.50,6 ); Purchase jillsPurchase = new Purchase("carrot",8,1.99,4 ); Purchase billsPurchase;…Create a class called Polar for performing Polar coordinates. Define all the necessary variables to represent the private part. Provide a constructor that enables an object of this class to be initialized when it's declared. Provide any method that you believe it is needed. Furthermore, provide methods that perform each of the following A. Operator +. This function adds two polar points. R= The summation of their distance while Theta = The biggest angle between the two points. B. Operator -. This functions calculates the angle between two polar points. Write a program to test your class. Define an array of objects with size 5 by using the memory allocation technique and fill it with data. (a) Use the function + to add the 1" and the 3 polar points. (b) Use the function - to find the difference between the 2 and the 4 polar points angles. In C++
- Create a class named Customer that will determine the monthly repayment amount due by a customer for a product bought on credit. The class has five fields: customer name, contact number, product price, number of months and the monthly repayment amount. Write get and set methods for each field, except for the monthly repayment amount field. The set methods must prompt) the user to enter the values for the following fields: customer name, contact number, product price and number of months. This class also needs a method to calculate the monthly repayment amount (product price divided by the number of months). Add a subclass named Finance_Period that will determine if a customer pays interest or not. If the number of months to pay for the product is greater than three, the customer will pay 25% interest, else no interest applies. The maximum number of months to pay for the product is 12 months. Override the calculate_repayment () method by determining if the customer will pay interest or…using jave: Create the a Person class with the following: Class Variables:String firstname String lastname int birthmonth int birthday int birthyear String ssn (All variables above should be private) Constructor The main constructor should take in all values and assign them to their respective private class variables MethodsCreate a public getters and setters for firstname and lastname and SSN getFirstname getLastname setFirstname setLastname Create a public getter method called getBirthdate, which will return a String composed of their birthday in month/day/year format. For example, if birthmonth=3, birthday=22, birthyear=2000, it should return the String "3/22/2000" Create a public method called verifySSN that takes in a String parameter and returns a boolean. It will check the parameter against the person's SSN and return true or false based on whether they match.Create a class called Date that includes three instance variables-a month (type int), a day (type int) and a year (type int). Provide a constructor that initializes the three instance variables and assumes that the values provided are correct. Provide a set and a get method for each instance variable. Provide a method displayDate that displays the month, day and year separated by forward slashes (/). Add a main method to the class that demonstrates class Date's capabilities.
- Create a class named customer purchase that will contain get and set methods for a customer number, first name, surname, product, price and quantity. Create a separate class called printing that will include a method called print details, that will print the customer invoice. In the printing class include another method called customer purchase report which will display the following information: all written in JavaWhen a method is __________, it means that multiple methods in the same class have the same name but use different types of parameters. a. emulated b. versioned c. threaded d. overloadedWrite Rectangle class to represent a rectangle. The class contains:a. Two double data fields named width and height that specify the width and height ofthe rectangle. The default values are 1 for both width and height.b. A no-arg constructor that creates a default rectangle.c. A constructor that creates a rectangle with the specified width and height.d. A method named getArea() that returns the area of this rectangle.e. A method named getPerimeter() that returns the perimeter. in Java