ed and running time through parameters and assign these to the class variables. Create an abstract set method for the price of a DVD; also create get methods for the variables. Create a subclass InstructionalDVD that extends the DVD class and implements an iPrintable interface. The interface that must be added is shown below: public interface iPrintable { Stri
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Design a console program that will print details of DVDs available to buy. Make use of an abstract class DVD with variables that will store the title, yearReleased, running time and price of a DVD. Create a constructor that accepts the title, yearReleased and running time through parameters and assign these to the class variables. Create an abstract set method for the price of a DVD; also create get methods for the variables.
Create a subclass InstructionalDVD that extends the DVD class and implements an iPrintable interface. The interface that must be added is shown below:
public interface iPrintable { String ShowDetails();
}
The InstructionalDVD subclass has a private variable named category for which a get method must be written. The constructor of the InstructionalDVD class must accept the title, yearReleased, running time and category through parameters. Write the code for the setPrice() and ShowDetails() methods.
Write a useDVD class and instantiate 2 objects of the InstructionalDVD class
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- Create a parent class Person with one attribute age and one method greet() that prints out "Hello, world!". By default, the age is 20. Then create a subclass CollegeStudent that inherits from Person and has its own attributes School_Name and Major. Then create an object (a college student, his name is Harry, age is 21, School_Name is "Felician University", and Major is "Computer Science"), then let Harry say"Hello World!".Write a java program Write a class named Employee with name and salary as private data fields. Add a constructor with both parameters. Write a class named Manager which unherits the Employee class. Add an instance variable, named department, of type String and 15 private. Add a constructor in the subclass class and a toString () method that prints the manager's name, department, and salary [Hint: Add a tastanel) method in the super class as well]. Create objects of Manager and Employee dassCreate an interface MessageDecoder that has a single abstract method decode(cipherText), where cipherText is the message to be decoded.The method will returnthe decoded message. Create a class SubstitutionCipher that implements the interface MessageDecoder as described above. The constructorshould have one parameter called shift. Define the method decode so that each letter is shifted by the value in the shif. For example, if shift is 3, a will be replaced by d, b will be replaced bt e, c will be replaced by f, and so on. Hint: You may wish to define a private methodthat shifts a single character. Create a class ShuffleCipher that implements the interface MessageDecoder. The constructor should haveone parameter called n. Define the method decode so that the message is shuffledn times.To perform one shuffle, split the message in half and then take the charactersfrom each half alternatively. For example, if the messsage is "abcdefghi", the halves are "abcde" and "fghi". The shuffled…
- Write a class named Employee which implements Comparable Interface with name and salary as data fields Add a constructor with argument name and salary. Add getter and Setter for name and salary. Add CompareTo() method for the data Salary. Write a class named Manager which inherits the Employee class. Add an instance variable, named department, of type String. Add a constructor in the subclass class with arguments name, salary, department and a toString() method that prints the manager’s name, department, and salary [Hint: Add a toString( ) method in the super class as well] Create 3 objects of Manager with following arguments 1. (Zayed, 500), 2. ( Ahmed, 700) 3. ( Faisal, 600) Add the above 3 objects into an ArrayLIst object and Sort by Salary and Display. Create an object Employee class with (Zayed, 500,IT) and display the 1. Name 2. Salary 3. Department by using tostring() method.Write a java code that: a) Creates an abstract method in a superclass, then overrides it in a subclass. (Only show the methods in both classes). b) Provides a method PrintInfo () that prints your group info and can be used only in classes of the same package. c) Provides a non-overridden area() that calculates area. (choose a shape)Write a class named Employee which implements Comparable Interface with name and salary as data field. Add a constructor with argument name and salary. Add getter and Setter for name and salary. Add CompareTo() method for the data Name. Write a class named Manager which inherits the Employee class. Add an instance variable, named department, of type String. Add a constructor in the subclass class with arguments name, salary, department and a toString() method that prints the manager’s name, department, and salary [Hint: Add a toString( ) method in the super class as well] Create 3 objects of Manager with following arguments 1. (Zayed, 500), 2. ( Ahmed, 700) 3. ( Faisal, 600) Create an Array object Add the above 3 objects into an Array object and Sort by Name and Display Create an object Employee class with argument (Zayed, 500, IT) Display the 1. Name 2. Salary 3. Department by using tostring() method.
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- Write a class named Person with data attributes for a person’s name, address, and telephonenumber. Next, write a class named Customer that is a subclass of the Person class. TheCustomer class should have a data attribute for a customer number, and a Boolean data attributeindicating whether the customer wishes to be on a mailing list. Demonstrate an instance of theCustomer class in a simple program.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 String called licenseCode a public method called vaccinatePatient that takes as a…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 String called licenseCode a public method called vaccinatePatient that takes as a…