a. create a class called Student that has four instance variables -a (String) name, a (long) StudentID, a (String) College, and a (double) GPA. b. A constructor that takes student name, StudentID, College and GPA. The constructor sets the class variables to these values. c. Make the instance variable GPA private and provide a mutator method (set) and an accessor method (get) to access this variable. In set method if the GPA negative or grater than 4.00 print an invalid message and do not change the instance variable GPA. d. A method Student_Status () that check the GPA if it is less than 2, display the warning message, otherwise display Normal student. e. A method Print() that displays the name, StudentiD, College and GPA of the student as shown below:

a. create a class called Student that has four instance variables -a (String) name, a (long) StudentID, a (String) College, and a (double) GPA. b. A constructor that takes student name, StudentID, College and GPA. The constructor sets the class variables to these values. c. Make the instance variable GPA private and provide a mutator method (set) and an accessor method (get) to access this variable. In set method if the GPA negative or grater than 4.00 print an invalid message and do not change the instance variable GPA. d. A method Student_Status () that check the GPA if it is less than 2, display the warning message, otherwise display Normal student. e. A method Print() that displays the name, StudentiD, College and GPA of the student as shown below:

Programming Logic & Design Comprehensive

9th Edition

ISBN:9781337669405

Author:FARRELL

Publisher:FARRELL

Chapter11: More Object-oriented Programming Concepts

Section: Chapter Questions

Problem 1GZ

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Part (1) Define a class as follow: a. create a class called Student that has four instance variables - a (String) name, a (long) StudentID, a (String) College, and a (double) GPA. b. A constructor that takes student name, StudentID, College and GPA. The constructor sets the class variables to these values . c. Make the instance variable GPA private and provide a mutator method (set) and an accessor method (get) to access this variable. In set method if the GPA negative or grater than 4.00 print an invalid message and do not change the instance variable GPA. d. A method Student_Status () that check the GPA if it is less than 2, display the warning message, otherwise display Normal student. e. A method Print() that displays the name, StudentlD, College and GPA of the student as shown below: Sample output: Enter the Student name: Ali Ahmed Enter the Student ID: 20180011 Enter the College: Information Technology Enter the GPA: 3.2 Normal student Name: Ali Ahmed Student ID: 20180011…
1 - Student class Make a class student (in student.py) that stores the following information for a student: Name (name) Student number (student_nr) Points per assignment (points_per_assignment) Exam grade (exam_grade) a) Behind each point of information is the name of the parameter to the initializer method. Store this information from the parameters in the object attributes with the same name. b) Add a method course_points() which returns the number of course points the student has gotten. Example: mary = Student("Mary", 15789613, [10, 9, 8, 10, 9, 10], 9)print(mary.course_points()) > 121 The calculation of the course points is explained in the course overview, course setup slides (Links to an external site.) and the first lectureLinks to an external site.. c) Add a method grade() which returns a the final grade of the student, rounded to nearest half (upwards, 6.75 -> 7). As per regulations, a 5.5 becomes a 6. If the student did not pass both the assignments (>= 95…
Define a class named Employee. This class should extend the Person class from the previous question. The class should have a constructor, which takes the name, age, employer (String) and salary (int) as parameters (in that order). The first two parameters should be passed to the constructor of the superclass and the value of the last two parameters should be stored in instance variables. The class should define the methods, getSalary which returns the salary of the employee and getEmployer which returns the name of the employer. Any methods from the previous question that need to be overridden should be overridden! Use super and instanceof as appropriate. I.e., for the following methods you should be able to call the method in the superclass for specific situations (e.g. the compareTo method in the superclass can be called if you receive anything other than an Employee, and this also holds for the equals method). The toString method only needs to append details and as such can also…
Part (1) Create a class called HOUSE that has these private instance variables: an owner “string”, an area “double” and a pricePerMeter “double”. The class has the following methods: - A constructor that takes owner, price and area. Theconstructor sets the class variables to these values and in case the owner is empty string, set its instance variable to “unknown”. - A mutator method (set) and an accessor method (get) for the owner variable. - A method getPrice that returns the total price of the house. The total price of the house is computed by multiplying the area by the price per meter. - A method print that prints the owner, area and price per meter. Part (2)Write a Java application that asks the user to enter the owner, area and price per meter of the house. Create an object from House class you defined in Part (1) and use it to display the house information and the total price of the house.
- 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
Create a class BeautyProduct with name, color, brand. Provide Constructors, getters, setters and also write toString method. Now create a class Lipstick which extends the class BeautyProduct as Lipstick is-a Beauty Product it has totalVolume, remainingVolume, price, texture (gloss, matt) as private data members. Provide Constructors, getters, setters and an apply() method whenever this method is called a beauty item is applied and its volume decreases by 10.This should also check that volume must not be zero if it then u have to throw exception. Also write toString method which prints all details like name, color, brand, price, texture and volume. Create another class foundation having totalVolume, remainingVolume, price, texture (liquid, cake) and lastingTime (number of hours foundation remain intact on face and does not crease) as private data members. This also extends the base class i.e. BeautyProduct. Provide Constructors, getters, setters and an apply() method whenever this…
(1) Extend the ItemToPurchase class to contain a new attribute. item_description (string) - Set to "none" in default constructor Implement the following method for the ItemToPurchase class. print_item_description() - Prints item_description attribute for an ItemToPurchase object. Has an ItemToPurchase parameter. Ex. of print_item_description() output: Bottled Water: Deer Park, 12 oz. (2) Build the ShoppingCart class with the following data attributes and related methods. Note: Some can be method stubs (empty methods) initially, to be completed in later steps. Parameterized constructor which takes the customer name and date as parameters Attributes customer_name (string) - Initialized in default constructor to "none" current_date (string) - Initialized in default constructor to "January 1, 2016" cart_items (list) Methods add_item() Adds an item to cart_items list. Has parameter ItemToPurchase. Does not return anything. remove_item() Removes item from cart_items list.…
1. Create a class Employee with parameters name, id, designation, and basicSalary. Use appropriate datatypes and access specifiers. Use default constructor to create objects of employee. Write methods toset and get the values of parameters of employee. Write methods to find total salary of employee andto display the complete details of employee along with total salary. Create another class TestEmployeewhich creates array of n number of employees, uses appropriate set methods to set the values ofparameters of every employee. Display the details of each employee. (Total salary = basic salary + 80%of basic salary)
1. Create a class called Plant with the data member plant name and color. 2. Create a child class called Tree with data member tree name, tree number and color. Inherit all the properties and behaviors from the base class to the child class. 3. Find the total number of times, character ‘a’ available in the plant name and tree name and display the method name as compare. 4. Use display method in both the classes to display“I am Plant” in parent class, and “I am Tree” in child class with all inputs needs to be displayed. Note: Get all the inputs through scanner class.
Design and implement a class called Car that contains instance data that represents the make, model, and year of the car (as a String, String and int value respectively). Define the Car constructor to initialize these values (in that order). Include getter and setter methods for all instance data, and a toString method that returns a one-line description of the car of the form make-model (year)for example:Ford-Thunderbird (1955)
1. Create a Student class that implements the Person interface. As well as storing the students name and email, also store their course grade (e.g A, B, C) in a member variable. The grade should be accessible via a getGrade method. For the implementation of getDescription return a message along the lines of “A C grade student”, substituting the students actual grade.2. Create a Lecturer class that implements the Person interface. This class should also store the subject that the lecturer teaches. Add a getSubject method, and implement getDescription so that it returns a suitable message, e.g. “Teaches Biology”.3. Create a third class, Employee that implements the interface. This should also store the name of the department the Employee works in (available via getDepartment). Again, getDescription should return a suitable message.
Create a Right Triangle class that has two sides. Name your class rightTraingle. Code getter and setters for the base and the height. (Remember class variables are private.) The class should include a two-argument constructor that allows the program to set the base and height. The constructor should verify that all the dimensions are greater than 0. before assigning the values to the private data members. If a side is not greater than zero, set the value to -1. The class also should include two value-returning methods. One value-returning method should calculate the area of a triangle, and the other should calculate the perimeter of a triangle. If either side is -1, these functions return a -1. The formula for calculating the area of a triangle is 1/2 * b*h, where b is the base and h is the height. The formula for calculating the perimeter of a triangle is b+h+sqrt (b*b+h*h). Be sure to include a default constructor that initializes the variables of the base, height to -1. To test…