Using a text editor create an Abstract Data Type for an airplane. The class will begin with: public abstract class Airplane { Include at least 4 private attributes(fields) and 8 methods that describe the behavior of an airplane. Include both abstract methods and methods with an implementation body. Search for "Java abstract Car class" on the internet to see an example of an abstract class for a Car. You must also include a UML of the Airplane class.
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I need help creating an java abstract airplane class with the use of mutators, accessors, private helpers. Image described below -
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- Vehicle is an abstract class. Create the Airplane class as a subclass of Vehicle. Extend and override Airplane as necessary to meet the criteria below. The travel method should return the distance traveled by the Airplane object. CODE: abstract class Vehicle { public abstract double travel(double time);} //add class definitions below this line //add class definitions above this line public class Exercise2 { public static void main(String[] args) { //add code below this line //add code above this line }}Using any application of your choice, write a Java program that meets the following requirements: It has an abstract class that contains a student number; Include get() and set() methods for the abstract class where the student number is set/get; Create three child classes, for firstYear, secondYear and thirdYear. Each class must display a distinct announcement for first years, second years and third years.Course Title: Modern Programming Language Please Java Language Code Question : Design an abstract class GeometricObject. GeometricObject must ensure that its children must implement calcArea() method. Design Rectangle18-ARID-2891 and CircleM.JibranAkram Classes as children of GeometricObject class with overridden toString() method to return “Rectangle with w Width and h Height is drawn” OR “Circle with r Radius is drawn”. The attributes of Rectangle are length, width. The attribute of Circle is radius Hint: Area of circle=πr2 , Area of rectangle= width*length
- Computer Science Exercise 1 (java)– Horses .Create a class Horse containing the attributes name, color and year of birth. Implement getters and setters for the member variables Implement a constructor Create the classes (a) Racehorse and (b) Workhorse. In the case (a), you must add field a field holding the number of races won. In the case (b), add a field that contains the number of years the horse has been working. Write the appropriate getters and setters. Test your classesJava- 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.It is required to develop an application in Java to perform some operations to store information about items in a store. The application will have the following classes: (A) An abstract class called Item having following data fields (private): itemName (String), itemNum (int), make(String), price(double) and following methods: (i) Default constructor - without any parameters, (ii) Constructor having 4 parameters to initialize all data fields, (iii) Set and get methods for all data fields separately, (iv) toString method to return string representation of all data members, (v) Abstract method totalPrice to return total price. (B) Write a concrete class (with implementation of all methods) called Storeltem, which inherits the properties of class Item. This new class has the following additional members: Data fields (private): quantity (int), discountRate(double). Note that discountRate is % of the sale price. Methods (public): (i) Default constructor - without any parameters Constructor…
- Create abstract class Pet , which is the abstract superclass of all animals. Declare a integer attribute called legs, which records the number of legs for this animal. Define a constructor that initializes the legs attribute. Declare an abstract method eat. Declare a concrete method walk that prints out something about how the animals walks (include the number of legs). Create the Dog class. The Dog class extends the Pet class. This class must include a String attribute to store the name and food of the pet Define a default constructor that calls the superclass constructor to specify that all dogs have 4 legs and name. override the eat and walk method. Create the Cat class that extends Pet. This class must include a String attribute to store the name of the pet, and a string to save food . Define a constructor that takes one String parameter that specifies the cat's name and food. This constructor must also call the superclass constructor to specify that all cats have four legs.…The interface Speaker is describe below. public interface Speaker{ public void speak(); public void announce(String str); } Create classes Dog and Philosopher implementing the Speaker interface. (The code for the general overview of the classes are provided you just need to fill the method and class headers and their code) and then create a driver class showing the abilities of interface, these tests are includes the ability of creating an object of Dog and Philosopher with interface reference, testing their polymorphic ability with invoking the methods of interface. and showing how we can use a method of child class of interface (Pontificate for the case of philosopher) using casting. i will include the templates below which you will use to answer the question. you will just need to input the missing codes in the required spaces. //******************************************************************** // SpeakerTest.java Author: Lewis/Loftus // // Solution to Programming Project 10.3…Create abstract class Pet , which is the abstract superclass of all animals. Declare a integer attribute called legs, which records the number of legs for this animal. Define a constructor that initializes the legs attribute. Declare an abstract method eat. Declare a concrete method walk that prints out something about how the animals walks (include the number of legs). Create the Dog class. The Dog class extends the Pet class. This class must include a String attribute to store the name and food of the pet Define a default constructor that calls the superclass constructor to specify that all dogs have 4 legs and name. override the eat and walk method. Create the Cat class that extends Pet. This class must include a String attribute to store the name of the pet, and a string to save food . Define a constructor that takes one String parameter that specifies the cat's name and food. This constructor must also call the superclass constructor to specify that all cats have four legs.…
- Create abstract class Pet , which is the abstract superclass of all animals.Declare a integer attribute called legs, which records the number of legs for this animal.Define a constructor that initializes the legs attribute.Declare an abstract method eat.Declare a concrete method walk that prints out something about how the animals walks (include the number of legs).Create the Dog class.The Dog class extends the Pet class.This class must include a String attribute to store the name and food of the petDefine a default constructor that calls the superclass constructor to specify that all dogs have 4 legs and name.override the eat and walk method.Create the Cat class that extends Pet.This class must include a String attribute to store the name of the pet, and a string to save food .Define a constructor that takes one String parameter that specifies the cat's name and food. This constructor must also call the superclass constructor to specify that all cats have four legs.Override walk…Indications:Person is an abstract class containing the abstract method Print().In Teacher and Student the method print() will print the information of either Teacher or Student.Write the class university corresponding to the following UML diagram. It contains three attributes.Tab is an array of Person. sizeTab is the size of Tab. The attribute n represents the number of elements added to the tab. When the tab is empty n is equal to 0.The constructor University(sizeTab) will initialize the different attributes and allocate the memory to the array Tab.addPerson(p:Person) will add the new person to Tab. The method printAll() will print all the information of the Persons inside Tab.Write the main method. Create three Teacher and three Student and add them to University Object and print them all.Write the Talker interface, Animal abstract class, plus the Dog, Cat, Fish, and Radio classes for this Java Program. Talker.java - the interface Talker, which has just one void method called speak() Animal.java - the abstract class Animal, which stores an animal's name. (No abstract methods). It should contain 2 methods: a constructor with 1 argument (the name) a method getName() which returns the name. Dog.java - the class Dog, which extends Animal and implements Talker. It should contain 3 methods: a constructor with no arguments, giving the dog a default name of "Fido" a constructor with 1 argument (the name) a speak() method that prints "Woof" on the screen. Use @Override Cat.java - the class Cat, which extends Animal and implements Talker. It should contain just 2 methods: a constructor with 1 argument (the name) (no default name like dogs have) a speak() method that prints "Meow" on the screen. Use @Override Fish.java - the class Fish, which is an Animal that…