Creates a class Teacher with two attributes: name and specialty. a. Add a constructor able to create a Teacher; b. Add the methods getName and getSpeciality; c. Add the method display able to display the attributes
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- - Creates a class Student with 3 attributes: name, id and level. a. Add a constructor able to create a Student; b. Add the methods getId and getName; c. Add the method display able to display the attributes, - Creates a class Teacher with two attributes: name and specialty. a. Add a constructor able to create a Teacher; b. Add the methods getName and getSpeciality; c. Add the method display able to display the attributes - Creates a class TA extending the classes Student and Teacher with one more attribute: Supervisor of type Teacher; a. Add a constructor to create a TA; b. Add the method getSupervisor able to return the TA's Supervisor. c. Add a display method: display need to override (polymorphism) the previous display method of the basic classes; - Creates a class called CourseClass with 6 attributes: a. name: the course name; b. maxStud: a maximum number of Student into the CourseClass; c. nbStud: the current number of Student into the CourseClass. When a CourseClass is created,…Library Information System Design and Testing Library Item Class Design and TestingDesign a class that holds the Library Item Information, with item name, author, publisher. Write appropriate accessor and mutator methods. Also, write a tester program(Console and GUI Program) that creates three instances/objects of the Library Items class. Extending Library Item Class Library and Book Classes: Extend the Library Item class in (1) with a Book class with data attributes for a book’s title, author, publisher and an additional attributes as number of pages, and a Boolean data attribute indicating whether there is both hard copy as well as eBook version of the book. Demonstrate Book Class in a Tester Program (Console and GUI Program) with an object of Book class.Create the following class diagram: The print method in: - Author prints the Authors data - Page prints page no and text - Textbook prints the subject and all pages - Novel prints the genre and all pages The toString method in: - Book returns title and authors - textbook returns subject in additions to super toString - Novel genre in additions to super toString Test your implementation create objects of different types example : - Create a book of type Novel which has many pages and several authors - Create a book of type Textbook which has many pages and several authors - Access these objects polymorphically, variable of class book contains objects of its subclasses Textbook and novel - Print a hall book - Print a single page of a book - Print the book and its authors
- Practice with writing a program that contains three classes: Ship CruiseShip CargoShip Classes Design a Ship class with the following members: A field for the name of the ship (a string) A field for the year that the ship was built (a string) A constructor that accepts two arguments for the two fields, and appropriate accessors and mutators A toString method that returns a string with the ship’s name and the year it was built Design a CruiseShip class that extends the Ship class. The CruiseShip class should have the following members: A field for the maximum number of passengers (an int) A constructor that accepts three arguments for the three fields and appropriate accessors and mutators A toString method that overrides the toString method in the base class. The CruiseShip class’s toString method should return a string with only the ship’s name and the maximum number of passengers. Design a CargoShip class that extends the Ship class. The CargoShip class should have the…Creates a class Student with 3 attributes: name, id and level. a. Add a constructor able to create a Student; b. Add the methods getId and getName; c. Add the method display able to display the attributes,- Simple factory is not considered a design pattern because it does not decouple the client from concrete classes Select one: True False 2- structural patterns provide guidance on the way in which classes interact to distribute responsibility Select one: True False 3- The Simple factory is used when you want to limit the instantiation of classes to one implementation Select one: True False 4- When a class A is composing a reference to another class B, then we say that class A has-a class B relationship Select one: True False
- Design a LandTract class that has two fields (i.e. instance variables): one for the tract’s length(a double), and one for the width (a double). The class should have: a constructor that accepts arguments for the two fields a method that returns the tract’s area(i.e. length * width) an equals method that accepts a LandTract object as an argument. If the argument object holds the same data (i.e. length and width) as the calling object, this method should return true. Otherwise, it should return false. a toString method (that returns a String representation of the tract’s length, width, and area). Demonstrate the class in a program by creating an array of three LandTract objects initialized with user input. Then, print the info of the LandTract objects stored in the array by invoking the toString method (implicitly or explicity). Also, use the equals method to compare at least two LandTract objects and print wether they are of equal size or not. Sample Output:…Temp Class - Create Temp class whos job is to hold a temp in degrees F and gives methods to get the temp in F, Celsius, and Kelvin. The class should follow the instance variable (field): ftemp (double type that holds F temp)Follow these methods with the class.. Constructor --Will accept Fahrenheit temperature as a double to store it in the ftemp field. setFahrenheit - The setFahrenheit method accepts a Ftemperature as a doubleto stores it in the ftemp field. getFahrenheit - Returns the value of the ftemp field, as a Fahrenheit temperature (no conversion required). getCelsius - Returns the value of the ftemp field converted to Celsius. [C e l s i u s = ( 5.0 / 9.0 ) × ( F a h r e n h e i t − 32 )] getKelvin - Returns the value of the ftemp field converted to Kelvin. [K e l v i n = ( ( 5.0 / 9.0 ) × ( F a h r e n h e i t − 32 ) ) + 273] Exemplify the temp class by writing a (test) program that is separate and promotes users for an F Fahrenheit temp. The program must create an…Create an Employee Class that will have Two instance variable: name and workingPeriod A class method named employeeByJoiningYear(): • To create an Employee object by joining year for calculating the working period o it will have two Parameter name and year • A static method experienceCheck() to check if an Employee is experienced or not o It will take working period and gender as parameter o If an employee's working period is less than 3, he or she is not experienced [You are not allowed to change the code below] # Write your code here employee1 = Employee('Dororo', 3) employee2 = Employee.employeeByJoiningYear('Harry', 2016) 6 print(employee1.workingPeriod) print(employee2.workingPeriod) print(employee1.name) print(employee2.name) print(Employee.experienceCheck(2, "male")) print(Employee.experienceCheck(3, "female")) Оutput 3 Dororo Harry He is not experienced She is experienced
- Create an Employee Class that will have ● Two instance variable: name and workingPeriod ● A class method named employeeByJoiningYear(): o To create an Employee object by joining year for calculating the working period o It will have two Parameter name and year ● A static method experienceCheck() to check if an Employee is experienced or not o It will take working period and gender as parameter o If an employee’s working period is less than 3, he or she is not experienced [You are not allowed to change the code below] # Write your code here employee1 = Employee('Dororo', 3) employee2 = Employee.employeeByJoiningYear('Harry', 2016) print(employee1.workingPeriod) print(employee2.workingPeriod) print(employee1.name) print(employee2.name) print(Employee.experienceCheck(2, "male")) print(Employee.experienceCheck(3, "female")) Output 3 5 Dororo Harry He is not experienced She is experiencedProgram #2 1. Show StudentsADT interface 2 2. Create a Course class with the following methods: default constructor, overloaded constructor, copy constructor, set Course Name, set Section Number, set NumberOfCredits, setLink, get CourseName, getSection Number, getNumberOfCredits, getLink, toString 3. Create a Students class with the following methods: default constructor, overloaded constructor, copy constructor, setMaxNumber Of Students, addStudent, addCourse (pass 2 args), dropCourse (2 args), toString 4. Create an Inner class called Student inside Students class with the following methods: default constructor, overloaded constructor, setID, setCourses, getID, getCourses, addCourse (pass 1 arg), dropCourse (1 arg), toString 5. Create a Students Demo class by adding the students with IDs: 1111, 1234, 2357 Display the following menu: "What action would you like to implement?" 1: Show all Students 2: Add a Course 3: Drop a Course 9: QuitCreates a class Student with 3 attributes: name, id and level. a. Add a constructor able to create a Student; b. Add the methods getId and getLevel; c. Add the method display able to display the attributes,