Part (1) Create a class named Item, that includes two private members: Type (String), and Price(double) The Item class should also include: one set method, two get methods and default constructor to initialize Type to "None" and Price to 0.0.
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- Computer Science You are required to develop a small chatting application where two or more friends can communicate each other through messages. Create a class Message which has Date d, and message (string). Provide getters/setters, constructors, toString. Create a class Friend having String name, String contact, email and ArrayList of Messages provide getters/setters, constructors, toString addMessage(Message m) method which will add new message to the list. Provide following options to the user using JFrame. Login which will help user login to the application. View Friends (Display List of All Friends) View Messages ( This should display all message of a Friend) Send message (This should ask for friend name and message match the friend name and write that message to the array list).Please Use Netbeans Create four pages:Three Classes: Employee, Department, and CompanyA program MyCompany which supplies employee name and salary information and prints out the totalsalary of all the employees.Pass in all four .java files.1) Create a class called "Employee" with the following properties:name (String)age (int)salary (double)In the Employee class, create a constructor that accepts and sets an employee’s name, age, and salary.Create getters for name, age, and salary.2) Create a class called "Department" with the following properties:i (int)name (String)Employee[] employees=new Employee[10];In the Department class, create a constructor that accepts and sets the department name. Also set i=0(to initialize the value).In the Department class create a method called "addEmployee" that accepts an Employee object andadds it to the array of employees. (Hint, include i++ to increment the value of i.)In the Department class, create a method called "getTotalSalary" as follows:public…Java questions :- Create a class called Employee in package p1. Add necessary data members to represent employee details including name and salary. Include methods to initialize and display employee details. Create two classes Manager and Supervisor in a package p2 that inherit from Employee. Add additional features in Supervisor class such as No. of people being supervised by the supervisor and additional perks. Add additional features in Manager class such as deptid, dept name and no. of projects being handled. There must be a method computeSalary() to compute the salary pay of every employee. Create Application class and then create different types of Managers and print all the details of the managers descending order of the salary as per following rules: • Basic Salary is less than or equal to 20000 then HRA = 16% and DA = 20% • Basic Salary is greater than 20000 then HRA = 24% and DA = 30% Crea te different types of Supervisors and print all the details of the…
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- 1. Write an app that computes student average2. Create a class called Student3. Use the init () function to collect the student information: name, math, science, and English grade4. Create a method (class function) that computes the average5. Create another method that outputs (similarly to) the ff when calledName: John Math: 90Science: 90English: 90Average: 90 (Passed)6. Instantiate a Student object and utilize the defined methods***Let the user input that student infoAns8 izt--7 Write the following Book class:A Book has-a title, ISBN number, author and price.o Include the following:o All instance fields (variables)o Two Constructors: a default constructor and onerequiring all fields as parameterso Methods – an accessor and mutator for each instancefieldso Create two Book objects with title, isbn, author andpriceo Print the information about the bookso Change the price of both books.o Reprint the information about the books.Define a java Name class with attributes: String firstname, middle name, lastname. Include the following methods: - A constructor with 3 parameters. Initialize the 3 member variables to the parameters being passed. Also, include the default constructor. - getter and setter methods for all attributes - override toString method Define a class called DebitCard. A debit card has a card number, Name and balance. a) Include a constructor with 3 parameters. Initialize the 3 member variables to the parameters being passed. Also, include the default constructor. b) Include getters/setters for all attributes. c) Add the following member functions: float inquireBalance() float depositCash(float amount) //increases the balance with amount boolean withdrawCash(float amount) // returns true if sufficient amount is available for withdrawal and decreases the balance by amount float interest(float rate) //calculates the interest rate incurred. Assume the parameter rate is considered as…
- Define a java Name class with attributes: String firstname, middle name, lastname. Include the following methods: - A constructor with 3 parameters. Initialize the 3 member variables to the parameters being passed. Also, include the default constructor. - getter and setter methods for all attributes - override toString method Define a class called DebitCard. A debit card has a card number, Name and balance. a) Include a constructor with 3 parameters. Initialize the 3 member variables to the parameters being passed. Also, include the default constructor. b) Include getters/setters for all attributes. c) Add the following member functions: float inquireBalance() float depositCash(float amount) //increases the balance with amount boolean withdrawCash(float amount) // returns true if sufficient amount is available for withdrawal and decreases the balance by amount float interest(float rate) //calculates the interest rate incurred. Assume the parameter rate is considered as…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 - 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…