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Prepare the hotel billing system with atleast 15 items details stored in array. apply inheritance., Exception handling techniques, using JAVA
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- Important note: your code must compile correctly and run without errors. Otherwise, your code will get the grade zero. Question 1: Implement a java class called ParsingCustomerRecords that has the following data members and functions: ParsingCustomerRecods - customerRecords: array of strings - result: string variable - recordsNumber: int variable -fileName: string variable + Constructor(String filename, int recordsNumber) + void Reader() + void Executor() + void showResult() + String toString() All of the data members are private, and all of the methods are public. Constructor has two parameters which are (1) the file name in which Customers’ records are stored, and (2) the number of the records in the file. The constructor functionality is to assign suitable initial values to the fileName and recordsNumber data members. The constructor also should instantiate the customerRecords array, where the size of the array should be equal to recordsNumber. Reader…Select all the statements that are true about Python's unittest module and Django's test framework: a. Django's test framework builds on Python's unittest module b. Django's TestCase class is a sub-class of unittest.TestCase c. A collection of unit tests is called a "test suite" d. Unit tests are run using the same database that the programmer uses for the development server e. HTML assert methods (such as assertHTMLEqual) are already part of Python's unittest.TestCasePlease assist with non graded problem. Create a Calculator class that implements sum, subtraction, multiplication, and division operations, and throws an appropriate exception whenever the user attempts to perform a division by zero. Then develop a graphical interface (with JavaFx) for your calculator using TextField, Button, and Label objects, or any other graphical objects you like. Graphically display division by zero errors.
- Please use Python and don't make the code overly complicated and lengthy. Thanks. Create a KeyIndex class with the following properties : Fields: int [ ] k; Description An array of integers. Note: You can maintain another instance variable if needed (but you can’t use more than one). Constructor: KeyIndex(int [ ]a) Description: This constructor takes an array of integers a and populates array k with the element in a as indices into k. Note: make sure the build-up of your array k supports negative and non-distinct integers. Methods: search (int val) Description: This method searches for the value val within the array and returns true if found or false otherwise. sort () Description: This method will return the sorted form of the array that had been passed into the constructor. NOTE: Create a tester class or write tester statements to check whether the methods in your KeyIndex class work properlyCreate a class IntArray. Create two constructors. Nullary constructor create an array of size 10 and initiazes all values to 0. Parametrized constructor has signature IntArray(int num, int s). Thiscreates an array of size s and initializes all values. c++In java Define and create an array (called emps) of object references for objects of class Employee of length 100. (b) Create three objects for classes SalariedEmp, WeeklyEmp, and HourlyEmp (where these 3 classes are subclasses of class Employee); and with references e1, e2, e3 for the 3 objects:(c) Assign e1,e2, e3 to the first three elements of array emps:(d) Print the earnings of the 100 employee in the array emps in one loop (with polymorphism) where earnings are calculated with method earnings():
- Java- Suppose that Vehicle is a class and Car is a new class that extends Vehicle. Write a description of which kind of assignments are permitted between Car and Vehicle variables.In Java intellej Correct this code and add the following 1.Correct: (The error shows a problem under () next to "firstBeachShoot.printPhotoDetails") 2.Add the following to the second package (screenshot): 1.for or for...each or while loops. 2.Arrays 3.default, no-args and parameterized constructors. Here's the first package : import java.util.Scanner;public class Image {int numberOfPhotos; // photos on rolldouble fStop; // light let it 1.4,2.0,2.8 ... 16.0int iso; // sensativity to light 100,200, 600int filterNumber; // 1-6String subjectMatter;String color; // black and white or colorString location;boolean isblurry;public String looksBlurry(boolean key) {if (key == true) {return "Photo is Blurry";} else {return "Photo is Clear";}}public void printPhotoDetails(String s1) {Scanner br = new Scanner(System.in);String subjectMatter = s1;System.out.println("Data of Nature photos:");System.out.println("Enter number of photos:");numberOfPhotos = br.nextInt();int i = 1;while…Please do it in JavaScript or C# 1) Design and implement the class structure for a drawing application. A drawing is made up of a canvas that contains a collection of three different shapes: circles, lines, and boxes. Each shape can be drawn by calling a Draw() method for that shape. The canvas class should also have a draw method that draws all of the shapes it contains. You don’t have to actually draw anything on a screen; you can simulate drawing by writing a message to the console.For example, the code snippet: canvas.Draw();Drawing a circle at...Drawing a line at...etc. (For each shape on the canvas) 2)(Bonus) Consider re-writing the above answer (#1) differently where the canvas does not contain the shapes, but is able to draw any of the three shapes passed to it. Re-design canvas.Draw() if you need to. Your main() program should ask for user input on what shape to draw. Ask once, draw, then exit.could produce something like the following output to the console:
- Instructor note: This lab is part of the assignment for this chapter. This lab uses two Java files, LabProgram.java and SimpleCar.java. The SimpleCar class has been developed and provided to you already. You don't need to change anything in that class. Your job is to use the SimpleCar class to complete the specified tasks in the main() method of LabProgram.java Given two integers that represent the miles to drive forward and the miles to drive in reverse as user inputs, create a SimpleCar object that performs the following operations: Drives input number of miles forward Drives input number of miles in reverse Honks the horn Reports car status The SimpleCar class is found in the file SimpleCar.java. Ex: If the input is: 100 4 the output is: beep beep Car has driven: 96 milesSolve this question using java language. you have to read the information from a file then print them in a file please read the instructour carefully, also look at the attach images to help you to solve it. This tips will help you What You Must Implement:You must define a class named MediaRental that implements the MediaRentalInt interface functionality(index A). You must define classes that support the functionality specified by the interface. The followingspecifications are associated with the project:1. Define a class named MediaRental. Feel free to add any instance variables you understand are needed or anyprivate methods. Do not add any public methods (beyond the ones specified in the MediaRentalInt interface).2. The media rental system keeps track of customers and media (movies ,music albums and games). A customerhas a name, address as string , a plan and two lists. One list represent the media the customer is interested inreceiving and the second one represents the media…Are there obvious improvements that could be made here with respect the software design for Squares and Circles? What programming constructs were you familiar with, and which did you need to look up? Assume we used a separate array for Squares and for Circles rather than one unifying Object array. How would this complicate the task of adding a new Shape (say, a Triangle) to our ObjectList class?