Exercise 2: a) Write a class Rectangle allowing you to build a rectangle endowed with length and width attributes. b) Create a method called perimeter() allowing to calculate the perimeter of the rectangle and a method called area() allowing to calculate the area of the rectangle.
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- Part 1 Java Create a UML class diagram for the Circle class as described below: radius: a double PI: a final double initialized with the value 3.14159 The class should have the following methods: a constructor that takes the radius of the circle getRadius – An accessor (getter) for the radius setRadius - A mutator (setter) method for the radius calculateArea - Returns the area of the circle, which is calculated as: area = PI * radius * radius calculateDiameter - Returns the diameter of the circle, which is calculated as: diameter = radius * 2 calculateCircumference - Returns the circumference of the circle, which is calculated as: circumference = 2 * PI * radius Create test data for several different Circle objects and calculate the expected results of calling the various methods. Input Expected Results radius Area Diameter CircumferenceAssignment:The BankAccount class models an account of a customer. A BankAccount has the followinginstance variables: A unique account id sequentially assigned when the Bank Account is created. A balance which represents the amount of money in the account A date created which is the date on which the account is created.The following methods are defined in the BankAccount class: Withdraw – subtract money from the balance Deposit – add money to the balance Inquiry on:o Balanceo Account ido Date createdCode 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 called
- Rainfall Type Create a RainFall class that keeps the total rainfall in an array of doubles for each of the 12 months. Methods in the programme should return the following values: • the total annual rainfall; • the average monthly rainfall • the wettest month of the year • the month with the least amount of rain Demonstrate the class in its entirety. Validation of Input: Accepting negative amounts for monthly rainfall data is not permitted.Parking Ticket SimulatorFor this assignment you will design a set of classes that work together to simulate apolice officer issuing a parking ticket. The classes you should design are:• The Parkedcar Class: This class should simulate a parked car. The class's respon-sibilities are:To know the car's make, model, color, license number, and the number of min-utes that the car has been parkedThe BarkingMeter Class: This class should simulate a parking meter. The class'sonly responsibility is:- To know the number of minutes of parking time that has been purchased• The ParkingTicket Class: This class should simulate a parking ticket. The class'sresponsibilities areTo report the make, model, color, and license number of the illegally parked carTo report the amount of the fine, which is $2S for the first hour or part of anhour that the car is illegally parked, plus $10 for every additional hour or part ofan hour that the car is illegally parkedTo report the name and badge number of the police…PLEASE TYPE ONLY**** LAST TWO DIGITS OF PANTHER ID : 64 Task: 1. Park class with the following class variables: 1) String ParkName; 2) int ParkID; 3) String ParkShape; and 4) double ParkLength. Please implement the following methods: i) ParkNameGetter(): Return the name of the park. ii) ParkIDGetter(): Return the ID of the park. iii) ParkLengthGetter(): Return the length of the park. Note that, 1) ParkLength is private while the other variables are public. 2) ParkShape only includes "Circle" and "Square". 3) Parks may have the same name, but ParkID is unique. 4) Students should create the correct constructor. 2. ParkClient class. i) an array of Park: - ParkArray has 5 elements; - Set the first park in ParkArray with the following parameters: ParkName: CSC1302, ParkID: Last 2 digits of PantherID, ParkShape: "Circle", ParkLength: 5. - Set the second park in ParkArray with the following parameters: ParkName: CSC1302, ParkID: Last 2 digits of PantherID +…
- Programming Language= PYTHON 3. Personal Information Class Design a class that holds the following personal data: name, address, age, and phone number. Write appropriate accessor and mutator methods. Also, write a program that creates three instances of the class. One instance should hold your information, and the other two should hold your friends’ or family members’ information. My information: Name: John Doe Address: 111 My Street Age: 22 Phone Number: 555-555-1281 Mom's information: Name: Mom Address: 222 Any Street Age: 52 Phone Number: 555-555-1234 Sis's infomation: Name: Jane Doe Address: 333 Her Street Age: 20 Phone Number: 555-555-4444 Dad's information: Name: Dad Address: 222 Any Street Age: 56 Phone Number: 555-254-5611Parent Class: Food Write a parent class called Food. A food is described by a name, the number of grams of sugar (as a whole number), and the number of grams of sodium (as a whole number). Core Class Components For the Food class, write: the complete class header the instance data variables a constructor that sets the instance data variables based on parameters getters and setters; use validity checking on the parameters where appropriate a toString method that returns a text representation of a Food object that includes all three characteristics of the food Class-Specific Method Write a method that calculates what percent of the daily recommended amount of sugar is contained in a food. The daily recommended amount might change, so the method takes in the daily allowance and then calculates the percentage. For example, let's say a food had 6 grams of sugar. If the daily allowance was 24 grams, the percent would be 0.25. For that same food, if the daily allowance was 36 grams, the…A SuperDie Class Write a class SuperDie that models a single die with an arbitrary number of sides, not just six. A die instantiated with the default constructor has six sides. The methods of this class should be: • roll a die and return its value, • return the number of sides on a die, and • change the number of sides on a die. Include a main(...) method that tests all the methods of your class.
- class SavingsAccount(object): """This class represents a savings account with the owner's name, PIN, and balance.""" RATE = 0.02 def __init__(self, name, pin, balance = 0.0): self._name = name self._pin = pin self._balance = balance def __str__(self): result = 'Name: ' + self._name + '\n' result += 'PIN: ' + self._pin + '\n' result += 'Balance: ' + str(self._balance) return result def getBalance(self): return self._balance def getName(self): return self._name def getPin(self): return self._pin def deposit(self, amount): """Deposits the given amount.""" self._balance += amount return self._balance def withdraw(self, amount): """Withdraws the given amount. Returns None if successful, or an error message if unsuccessful.""" if amount < 0: return 'Amount must be >=…/** Represents a car.*/public class Car // TODO: Inherit from Vehicle{ // Do NOT add any instance variables public Car(double purchasePrice) { // TODO: Complete } // TODO: Override the getValue methodpublic class date { private int day; // from 1 to 31 private int month; // from 1 to 12 private int year; // from 2000 upwards public void advance (); // move to next day }; Implement a constructor that initializes new objects of date class to be set to the 1st of January 2000. Implement setters for day, month, and year. Implement the advance method, which moves to the next day, ensuring that all data members are updated appropriately.