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- •Person Class: Person class has attributes: String name, address and int age. Write setperson() function to set values and getPerson() to Print attributes. Also write appropriate constructors.•Employee Class: Write another class Employee having attributes department and salary of type string and double. Write methods setEmployee(), getEmployee() and appropriate constructors for Employee class.•Student Class:•Write a class Student having attributes registration number and GPA of type string and float. Also write setStudent(), getStudent() methods and required constructors. Use the concept of inheritance to achieve the above functionality. Write a main() function to display the information of employee and student.• Note: Call the constructors/methods of parent class in child class where required in java code3:- Apex (Salesforce) - Create an apex class - In the apex class we have to create 1 method. - Method return type is void & the argument is null. - Method : - Map<String,String> static 4 values---- Put the value at the time of initialization---- Put the value using the map method PUT.Create a fee invoice application for students attending Valence College, a college in the State of Florida. There are two types of students: graduate and undergraduate. Out-of-state undergraduate students pay twice the tuition of Florida-resident undergraduate students (all students pay the same health and id fees). A graduate student is either a PhD or a MS student. PhD students don't take any courses, but each has an advisor and a research subject. Each Ms and Phd student must be a teaching assistant for one undergraduate course. MS students can only take graduate courses. A course with a Course Number (crn) less than 5000 is considered an undergraduate course, and courses with a 5000 crn or higher are graduate courses. CRN Course Credit Hours. 4587 MAT 236 4 4599 COP 220 3 8997 GOL 124 1 9696 COP 100 3 4580 MAT 136 1 2599 COP 260 3 1997 CAP 424 1 5696 KOL 110 2 7587 MAT 936 5 2599 COP 111 3 6997 GOL 109 1 2696 COP 101 3 5580 MAT 636 2 2099 COP 268 3 4997 CAP 427 1 3696 KOL 910 2…
- A1. Find the output of the following code in order. public class Faculty extends Employee ( E public static void main (String[) args) ( new Faculty () : System.out.println("GCood Luck") public Faculty () ( System.out.println(" Eaculty's no-arg constructor is invoked"): class Employee extends Person ( public Employee () ( System.ont.println( Employee's no-arg constructor is invoked") class Person ( public Person () ( this ("Invoke Person s overloaded constructor"); System.oub.println('Person s no-arg constructor is invoked"); public Person (String s) ( System.out.println(s) ロ[JAVA] Question 4: Write the source code of the classes ReportCurrentRevenue and ReportPastIncome. The ReportCurrentRevenue class is responsible from calculating the current amount of money to be gained if all the guests would leave from the hotel. The ReportPastIncome class is responsible from calculating the money gained so far from the previous visits of guests. Class Hotel will create one instance of this class and execute it in multithreaded fashion in its report method. You will code Hotel.report in the next question. Question 5: Write the source code of only the following methods of the class Hotel. The explanations of the methods you need to code are given below. Don’t forget to address the multithreading issues when coding. report: The details of this method are given in Question 4. restore: This method loads the Hashtable members and LinkedList visits from the path given by the fileName parameter. However, if there are ongoing multithreaded operations, it must first wait…Q. Can I have a static method in a class that implements a data type?
- Matrix Multiplication Write a method called multiply in the Matrix class that takes an instance of Matrix as a parameter and returns the result of matrix multiplication. Complete the definition of the class Matrix and method definition multiply shown here and in the starter code. public class Matrix { public Matrix multiply(Matrix other) { // fill in code here } } For purposes of this exercise, you should assume (without checking) that the matrices to be multiplied have the correct shapes, ie, that this.numCols() is equivalent to other.numRows(). To multiply matrices, the number of columns in the first matrix must equal the number of rows in the second matrix. In general, if we multiply an m x n matrix A (ie, having m rows and n columns) by a n x p matrix B (ie, having n rows and p columns), the product will have size m x p (ie, m rows and p columns). Here is a simple illustration of the computation for two 2 x 2 matrices: Examples Example 1 If A and B were both instances of the…Instructions-Java Assignment is to define a class named Address. The Address class will have three private instance variables: an int named street_number a String named street_name and a String named state. Write three constructors for the Address class: an empty constructor (no input parameters) that initializes the three instance variables with default values of your choice, a constructor that takes the street values as input but defaults the state to "Arizona", and a constructor that takes all three pieces of information as input Next create a driver class named Main.java. Put public static void main here and test out your class by creating three instances of Address, one using each of the constructors. You can choose the particular address values that are used. I recommend you make them up and do not use actual addresses. Run your code to make sure it works. Next add the following public methods to the Address class and test them from main as you go: Write getters and…Question: 2Implement the design of the Chillox and Customer classes so that the following code generates the output below:print(f"It's been a good day!. \nToday, we have already served {Chillox.order_id} customers.")print("**************************************************")outlet1 = Chillox()print("1.==========================================")print("Burger Menu:")print(Chillox.menu)print("2.==========================================")outlet1.addBurger("Chicken Burger",180,"Chicken with Cheese",200)print("3.==========================================")print("Burger Menu:")print(Chillox.menu)print("4.==========================================")c1 = Customer("Samin")c1.order = "2xChicken Burger"outlet1.placeOrderof(c1)print("5.==========================================")outlet1.addBurger('Chicken Smoky BBQ Cheese',225)c2 = Customer("Rafi")c2.setOrder("2xChicken with Cheese,3xChicken Smoky BBQ…
- Number 24g) Make a class Class (as in a class of students, not a class as in a class of objects) that stores several Student objects. Store a list of students in an attribute called students. The initializer method should initialize the class as an empty class (no students). Implement a method add_student() that takes an object of class Student and adds it to class. Implement method pass_rate() that determines the fraction of students that pass the class (have a grade of >= 6). python code!!(2e flaiks) An object of class Student (download the code from Blackboard) stores the studentName, the studentNumber and the major of a student. The class has the following methods: FinalExamProblem-2 • computeTuitionFees, which returns the fees paid by a student each term, • degreeToBeGranted, which returns the degree that will be grabnted to the student on successful graduation, and changeMajor, which changes the major the student is pursuing. Methods computeTuitionFees and degreeToBeGranted use complex conditional statements. To remove bad smells from the code, I have refactored the solution and provide a sample class diagram below. Your task is to implement the following class diagram using Java so that the purpose of the problem remains the same and still gives you the same output. Use the same FinalExamProblemTwoMain class. You are not allowed to make any changes in the FinalExamProblemTwoMain class. UNRE ERED UNREC TERED UNREGISTERED UNREGISTERED EGISTERED UNREGISTERED Student…
