Create a class student and then create an object of this class and work with it. Id first name last name grades date of birth field of study enrolled courses enrolled semester using constructors, setters-getters in JAVA programming ID must be generated
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Create a class student and then create an object of this class and work with it.
Id
first name
last name
grades
date of birth
field of study
enrolled courses
enrolled semester
using constructors, setters-getters in JAVA programming
ID must be generated
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- Hand-write two Java classes, Car and Truck. They are bothsubclasses of Vehicle.a. A car has an additional instance variable, number of doors.b. A truck has an additional instance variable, number of axlesc. Write a constructor that requires input for the instance variables of each class(including registration number and owner name).d. Write getters and setters for all instance variables for both classes.Create a complete Java class that can be used to create a Computer object as described below:A Computer has a:- Manufacturer- Disk Size- Manufacturing Date- Number of coresa) Add all instance variables (data encapsulation is expected).b) The class must have getters and setters for all instance variables.c) The class must have two constructors: a no-arg constructor and a constructor thatreceives input parameters for each instance variable.d) Implement a toString() method for your class.Hand-write a complete Java class that can be usedto create a Car object as described below.a. A Vehicle has-a:i. Registration numberii. Owner nameiii. Priceiv. Year manufacturedb. Add all instance variablesc. The class must have getters and setters for all instance variablesd. The class must have two constructors, a no-args and a constructor that receivesinput parameters for each instance variable.
- 2.Write a java program that define a class named smartPhone . It is implemented from interfaces mobile and tablet. Moblie contain methods canCall() and simType(). Tablet contain noOfApps(). Test this class in main.1)Create a complete Java class that can be used to create a Computer object as described below:A Computer has a:- Manufacturer- Disk Size- Manufacturing Date- Number of coresa) Add all instance variables (data encapsulation is expected).b) The class must have getters and setters for all instance variables.c) The class must have two constructors: a no-arg constructor and a constructor thatreceives input parameters for each instance variable.d) Implement a toString() method for your class. 2)Write a Java program TestComputer, which creates three Computer objects with the informationbelow:a) - Manufacturer: Dell- Disk Size: 1189160321024 bytes- Manufacturing Date: April 1, 2020- Number of cores: 2b) - Manufacturer: Apple Inc- Disk Size: 269283712040 bytes- Manufacturing Date: March 31, 2020- Number of cores: 4c) Create your own Object. You can mimic your actual personal computer or use a no-argsconstructor.Print the three objects using toString() method to show all data fieldsin java A class Book is designed to model a book written by one author. It contains: Four private instance variables: name (String), price (double) static, and qty (int); Two constructors: public Book (String name, double price) { ...... } public Book (String name, double price, int qty) { ...... } getters/setters methods getName(), getPrice(), setPrice(), getQty(), setQty(). A toString() that returns book values. A class called Author is designed to model a book's author. It contains: Four private instance variables: name (String), email (String), and gender (char of either 'm' or 'f') and arrayList of Books. One constructor to initialize the name, email and gender with the given values; public Author (String name, String email, char gender) {......} public getters/setters. A toString() method that returns author object. A method addBook(Book b) which will add book in the Arraylist of books. A removeBook(String name)…
- in java Part 1. Create a Parent ClassCreate a complete Java class that can be used to create a Computer object as described below:A Computer has a:- Manufacturer- Disk Size- Manufacturing Date- Number of coresa) Add all instance variables (data encapsulation is expected).b) The class must have getters and setters for all instance variables.c) The class must have two constructors: a no-arg constructor and a constructor thatreceives input parameters for each instance variable.d) Implement a toString() method for your class.IN JAVA PLEASE Child Class: Vegetable Write a child class called Vegetable. A vegetable is described by a name, the number of grams of sugar (as a whole number), the number of grams of sodium (as a whole number), and whether or not the vegetable is a starch. For the Vegetable 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 instance data variables where appropriate a toString method that returns a text representation of a Vegetable object that includes all four characteristics of the vegetableJava Question - Based on code, which answer out of the choices "A, B, C, D, E" is correct. Question has one correct answer. Thank you. Part 2 - 10. Given the following code, which statement is true? class Water() { ... }class Juice() extends Water { ... }class Apple() { ... }class ApplePie() { Apple a1 = new Apple(); }class AppleJuice() { Apple a1 = new Apple(); Water w1 = newWater(); } A. Juice is a superclass and Water is a subclass.B. ApplePie is a superclass of Apple.C. ApplePie is a composite class that contains an instance of Apple class.D. AppleJuice is a superclass that contains an instance of Apple class and an instance of Water.E. Water is a composite class that contains an instance of Juice.5
- Create a class Animal Create a class Cat, and a class Dog, and a class Bearded Dragon which extend Animal. Add to your Animal class: Member: name Methods: Public Animal (String name) //constructor public void makes Sound () with the implementation printing out a generic animal sound. Next, override (add) the makes Sound() method to your Cat and Dog class, with the implementation specific to each animal (i.e, cat says purr..). Do not override the makesSound() for your Dragon (bearded dragons don't make sounds!) Note, you'll also need a constructor in each of your subclasses which calls super(name) to initialize the common 'name' member of Animal. Next (in your test harness) create a List of different Animals ( a couple cats, a dog, a dragon... ) and add these Animals to your list. Iterate through your list & call makeSound on each. (you should observe the makeSound method called will be: cat -> from Cat class, dog-> from Dog class, bearded Dragon -> from Animal class ) EC:…answer for task 2 only the question also refers to some of the stuff on task 1 skip 1 Draw the UML class diagrams for the following classes: An abstract Java class called Person that has the following attributes: a String called idNumber a Date called dateOfBirth representing the date of birth. a String for name A class called VaccineRecord with the following attributes: an enum called type of VaccineType a Date called date a String called batchCode A class called Patient that extends the Person class and has the following attributes and behaviours: an ArrayList that contains VaccineRecord objects called vaccinationRecord a public method called vaccinate that takes a VaccineRecord with the following signature: public void vaccinate(VaccineRecord vaccineRecord); a public boolean method called isVaccinated that returns whether or not the Patient has had a vaccine. A MedicalPractitioner class that extends the Person class and has the following attributes and behaviours: a…Java Problem. compile and run the code below: /** A class to test the Door class.*/public class DoorTester{ /** Tests the methods of the Door class @param args not used */ public static void main(String[] args) { Door frontDoor = new Door("Front", "open"); System.out.println("The front door is " + frontDoor.getState()); System.out.println("Expected: open"); }} Create a second Door object called “backDoor” with the name property “Back” and an initial state of “closed”. Verify that the object was properly created. Use the mutator to change the state of object backDoor to “open”. Verify that the mutator is working. Create a third Door object called “sideDoor” with the name property “Side” and an initial state of “open”. Verify that the object was properly created. Use the mutator to change the name of object sideDoor to “Front”. Verify that the mutator is working.
