Encapsulation is supported by
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Question 3
Encapsulation is supported by ___________
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- Consider the following class hierarchy: class Animal { ... } class Mammal extends Animal { ... } class Cat extends Mammal { ... } Write a generic method printArray that takes an array of any type and prints each element of the array. If the element is an instance of Animal or its subclass, the method should call the toString method of the object to print its details. Otherwise, the method should simply print the element. Your method should have the following signature: public static <T> void printArray(T[] array)Lab Goal : This lab was designed to teach you more object oriented programming and start you down the path of creating larger programs and games like BlackJack and Elevens [ one of the new AP CS A Labs ]. You will create a Deck class that contains a List < Card >Lab Description : You need to design a class that contains an instance variables which is a List < Card > and an int that keeps track of the top card position . You then need to make a constructor and related methods. You will need a dealCard method and a shuffle method. Use the template shown below. /make a Deck classpublic static final int NUMCARDS = 52;public static String[] SUITS = "CLUBS HEARTS DIAMONDS SPADES".split(" ");private List<Card> cards;private int top;//make a Deck constructor//refer cards to new ArrayList//set top to the top of the deck 51//loop through all suits//loop through all faces 1 to 13//add a new BlackJackCard to the deck//make a dealCard() method that returns the top card//write…Course Title: Modern Programming Language Please Java Language Code and Correct Code Please Question : Design an abstract class GeometricObject. GeometricObject must ensure that its children must implement calcArea() method. Design Rectangle18ARID2891 and CircleMJibranAkram Classes as children of GeometricObject class with overridden toString() method to return “Rectangle18ARID2891 with w Width and h Height is drawn” OR “CircleMJibranAkram with r Radius is drawn”. The attributes of Rectangle18ARID2891 are length, width. The attribute of CircleMJibranAkram is radius Hint: Area of circle=πr2 , Area of rectangle= width*length
- public class Point { Create two variables: 1. Generic Variable: Variable Name: data 2. Generic Point: Varibale Name: next 10 11 12 13 /* 14 Constructor that takes in two parameters (see above comment) */ 15 16 17 18 19 20 /* 21 Setters and getters 22 */ 23 24 wwwm 25 26 /* 27 tostring: output should be in the format: 28 (data)--> (next) 29 Example: 30 Point p1,p2; 31 p1.data = 4; 32 p1.next = p2; 33 p1.toString () would be: (4) -->(p2) 34 35 36Design a new Account class as follows:■■ Add a new data field name of the String type to store the name of thecustomer.■■ Add a new constructor that constructs an account with the specified name, id,and balance.■■ Add a new data field named transactions whose type is ArrayList thatstores the transaction for the accounts. Each transaction is an instance of theTransaction class, which is defined as shown in Figure ■■ Modify the withdraw and deposit methods to add a transaction to thetransactions array list. Write a test program that creates an Account with annual interest rate 1.5%,balance 1000, id 1122, and name George. Deposit $30, $40, and $50 to theaccount and withdraw $5, $4, and $2 from the account. Print an account summarythat shows the account holder name, interest rate, balance, and all transactions.Inheritance, Polymorphism, ArrayLists, Throwing Exceptions The UML diagram below shows a set of classes designed to represent a music collection from 1995. The constructors and methods all function in the standard way, except: The equipmentRequired method should return “Record Player” or “CD Player” as appropriate.The getAlbum method of the NinetiesMusicCollection class accepts an index and returns the corresponding Album object. This method throws an IllegalArgumentException if the index is out of range. (This is the only exception you have to throw anywhere in your code.)In the NinetiesMusicCollection constructor, you can assume the ArrayList<Album> object passed as an argument is not null . Don’t worry about privacy leaks.Implement this set of classes in Java. Note the italics on the Class name “Album” and the method name “equipmentRequired” in the Album class.
- Main Class Implement a main class that implements our ParkingOffice.java class. Parkingoffice.java public class ParkingOffice {String name;String address;String phone;String parkingOfficeName;List<Customer> customers;List<Car> cars;List<ParkingLot> lots;List<ParkingCharge> charges; public ParkingOffice(){customers = new ArrayList<>();cars = new ArrayList<>();lots = new ArrayList<>();charges = new ArrayList<>();} public String getParkingOfficeName(){return this.parkingOfficeName;} /* to implement the desired park function */ public String park(Date date,String ParkingPermit,ParkingLot pl){ /* to have the amount paid during the transaction forthe specified parking lot */double amount=pl.amount;/* to have the date on which the parking lot is booked */String onDate=date.toString();/* to know the permit id */String permitId=ParkingPermit;/* to print the transaction receipt */String s="Amount paid on date: ";s=s+onDate;s=s+" is…Software Requirements: • Latest version of NetBeans IDE • Java Development Kit (JDK) 8 Procedure: 1. our progras from rhFactor non-static and private. Remove the constructor with two (2) parameters. 2o upply uncapsutation Make bloodType and 2. The names of the public setter and getter methods should be: • setBloodType() • setRhFactor() getBlood Type() getRhFactor() 3. Use the setter methods to accept user input. 4. Display the values by calling the getter methods. Sample Output: Enter blood type of patient: Enter the Rhesus factor (+ or -): O+ is added to the blood bank. Enter blood type of patient: B Enter the Rhesus factor (+ or -): B- is added to the blood bank.8. Following is the node class: class node { int v node *next: public: node(int x) {v=x; next3D03;} friend class list: }3; Implement the sequential list class below: class list { // circular list class // head position node *head; public: bool empty() { return !head;} list() {head-0;} ~list(); void add(int x); int get(); // empty list judgment / constructor // destructor, to be implemented // add to tail, to be implemented // get from head, to be implemented }3B
- Java All classes must be named as shown in the above UML diagram except the concrete child classes. The ItemList is a singly-linked list with the following methods: • insert(index: int, item: Item) : boolean o Inserts the given item at the given index if an equal item is not already in the list. If the method is successful it returns true. If an equal item already exists in the list or the index is out of range, this method returns false. • add(item: Item): boolean o Adds the given item to the front of the list. Returns true if successful and false if an equal item is already in the list. • set(index: int, item: Item) : Item o Replaces the object in the list at the given index with this object. If the index is out of range or the given item is already in the list, the method returns null. If the operation is successful, the method returns the object that was replaced by this one. • delete(index: int) : Item o Deletes the object at the given index from the list. If the index is out of…Using C++ to Creates a class called Member with two integer x and y. a. Add a constructor able to create a Member object with tow integers and the default values 0,0; b. Add the methods setX and setY to modify the attributes x and y; c. Add the method display able to display the attributes, - A Queue is a special array where the insertion and deletion will be via a specific index called "head". A Queue is characterized by 3 attributes: a. capacity (int): the maximum number element Member that can be contained into the Queue; b. head: presents the index where we can add/remove element to the Queue. The head value presents also the current number of elements into the Queue. When a Queue is created the initial value of head is 0; c. Member content[]: an array of elements of type Member; Creates the class Queue with the following methods: a. a Constructor able to create a Queue with maximum 10 Members; b. bool empty (): this method returns true if no element exists in the Queue c. bool…The class diagram below shows an Order class that "has a" Customer and zero or more Items. Order class should contain private Customer m_cust; private ArrayList<Item> m_items; public Order(Customer cus t) public void additem(Item i) public String toString() Item class should contain private String m_desc private int m_qty private double m_price public Item(String des c, double price, int qty) public String toString() Customer class should contain private String m_first; private String m_last; public Customer(String first, String last) public String toString() Please create the Order, Customer, and Item classes shown above. I have provided you with a read-only Main class that you can use to test your code. When you have completed the Order, Customer, and Item classes, running the Main program should produce the following output: Order for Smith, Tom Order Items: Greeting Card: 1 at 1.5 Baseball Glove: 1 at 54.0 Notebook: 3 at 2.5 public class Main{ public static void…