Please write the code in Java eclipse using the UML diagram attached. Add comments.
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Please write the code in Java eclipse using the UML diagram attached. Add comments.
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- Implement all the classes using Java programming language from the given UML Class diagram. Note: This problem requires you to submit just two classes: Customer.java, Invoice.java. Do NOT include "public static void main()" method inside all of these classes. Graders will be testing your classes, using the unit-testing framework JUnit 4. Customer - ID:int -name:String -discount:int Discount rate in percent +Customer(ID:int,name:String, discount:int) +getID():int +getName ():String +getDiscount():int +setDiscount(discount:int):void +toString():String "name (ID)" The Customer class models, a customer design as shown in the class diagram. Write the codes for the Customer class and a test driver to test all the public methods. Invoice - ID:intHome Task: 1. Implement the following class and test its methods: - numerator: int - denominator: int Fraction + Fraction(numerator: Int, denominator: int) + getNumerator(): int + getDenominator(): int + setNumerator(numerator: Int): void + setDenominator(denominator: Int): void + to String(): String + add(fraction: Fraction); void + sub(fraction: Fraction); void + multiplication (fraction: Fraction); void + division(fraction: Fraction): voldBread Class -breadType: String - caloriesPerslice: integer + Bread(String breadType, integer caloriesPerslice) + getBreadType(): String + setBreadType(String breadType): void + getCaloriesPerslice(): integer + setCaloriesPerSlice(integer calories): void
- 26. Assume the declaration of Exercise 24. A. Write the statements that derive the class dummyClass from class base as a private inheritance. (2 lines are { and }.) "A1 is { "A2 is "A3 is )) B. Determine which members of class base are private, protected, and public in class dummyClass. "B1 is dummyClass is a de//Movie.java import java.util.Arrays; public class Movie { private String movieName; private int numMinutes; private boolean isKidFriendly; private int numCastMembers; private String[] castMembers; // default constructorpublic Movie() { movieName = "Flick"; numMinutes = 0; isKidFriendly = false; numCastMembers = 0; castMembers = new String[10]; } // overloaded parameterized constructorpublic Movie(String movieName, int numMinutes, boolean isKidFriendly, String[] castMembers) { this.movieName = movieName; this.numMinutes = numMinutes; this.isKidFriendly = isKidFriendly; //numCastMember is set to array lengththis.numCastMembers = castMembers.length; this.castMembers = castMembers; } public String getMovieName() { return this.movieName; } public int getNumMinutes() { return this.numMinutes; } public boolean getIsKidFriendly() { return this.isKidFriendly; } public boolean isKidFriendly() { return this.isKidFriendly; } public int getNumCastMembers() { return this.numCastMembers; } public…Trace through the following program and show the output. Show your work for partial credit. public class Employee { private static int empID = 1111l; private String name , position; double salary; public Employee(String name) { empID ++; this.name 3 пате; } public Employee(Employee obj) { empID = obj.empĪD; пате %3D оbj.naте; position = obj.position; %3D public void empPosition(String empPosition) {position = empPosition;} public void empSalary(double empSalary) { salary = empSalary;} public String toString() { return name + " "+empID + " "+ position +" $"+salary; public void setName(String empName){ name = empName;} public static void main(String args[]) { Employee empOne = new Employee("James Smith"), empTwo; %3D empOne.empPosition("Senior Software Engineer"); етрOпе.етpSalary(1000); System.out.println(empOne); еmpTwo empTwo.empPosition("CEO"); System.out.println(empOne); System.out.println(empTwo); %3D етpОпе empOne ;
- public String cleanNumber(String phoneNumber) { int digit=0; String result = ""; String number= ""; for (int i = 0; i < phoneNumber.length(); i++) { char ch = phoneNumber.charAt(i); if (Character.isDigit(ch)) { number = number + ch; digit++; } } if(digit == 10) System.out.println("("+phoneNumber.substring(1,3)+")"+"-"+phoneNumber.substring(4,6)+phoneNumber.substring(7,10)); else result = "Error"; return result; }} Argument "(444) 999-1234" Actual (44)-) 99- "" Expected "(444) 999-1234" "4449991234" (44)-99234 "" "(444) 999-1234" "444.999.1234" (44)-99.12 "" "(444) 999-1234" What am doing wrong? How can I make the actual look like the expected? What do I have to change?Staff # name: String # id: int PartTimer + Staff() + Staff(name: String, id: int) skillLevel: int + getName (): String + getId (): int + calculatePay () : double + toString (): String hoursWorked: int + Part Timer (name: String, id: int, skillLevel: int, hoursWorked: int) + getskillLevel(): int + getHours Worked () : int + tostring () : String java.lang.Comparable compareTo (o: Object): int Figure 1: The relationship between staff, PartTimer and Comparable Skill Level / Tahap Kemahiran Pay Rate Per Hour/ Kadar Bayaran Per Jam 0 ( Basic / Asas) RM50.00 1 (Moderate / Sederhana) RM100.00 RM150.00 2 (Expert / Mahir) Table 1: Skill level and the pay rate per hour Write a complete Java program to create PartTimer class and test class based on the Figure 1, Table 1 and the following requirements: Partimer class is derived from staff and implements Comparable Interface. The calculate Pay()method from the staff class will be implemented in the subclass to calculate the employee's pay. The pay…PLEASE HELP ME! ? Maximize and use alternative method to this code! package com.btech.pf101; import java.io.bufferedreader; import java.io.inputstreamreader; import java.util.calendar; import java.util.date; public class pawnshopcode { private static final bufferedreader br = new bufferedreader(new inputstreamreader(system.in)); private static string name; private static int age; private static string address; private static string contactno; private static int itemtype; private static string itemtypename; private static final int itemtype_gagdet = 1; private static final int itemtype_jewelry = 2; private static final int itemtype_musicinstrument = 3; private static final int itemtype_homeequipment = 4; private static final int itemtype_landtitle = 5; private static string itemdescription; private static int periodtype; private static string periodtypename; private static final int periodtype_days = 1; private…
- Exercise 2: The following is the class definition for Student and StudentsLI. Add an abstract method called grading to the Student class. The method does not have return value and parameter. public class Students{ public String name; private String matrix; protected double mark; protected char gred; Students (String name, String matrix, double mark){ this.name = name; this.matrix = matrix; this.mark = mark; } public void setMatrix (String matrix){ this.matrix = matrix; public void setMark (double mark){ this.mark = mark; public String getMatrix (){ return matrix; public double getMark(){ return mark; public void display(){ System.out.println("Name: "+name); System.out.println("Matrix number: "+matrix); System.out.println("Mark: "+mark); System.out.println("Gred: "+gred); } }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).class Artist{StringsArtist(const std::string& name="",int age=0):name_(name),age_(age){}std::string name()const {return name_;}void set_name(const std::string& name){name_=name;}int age()const {return age_;}void set_age(int age){age_=age;}virtual std::string perform(){return std::string("");}private:int age_;std::string name_;};class Singer : public Artist{public:Singer():Artist(){};Singer(const std::string& name,int age,int hits);int hits() const{return hits_;}void set_hits(int hit);std::string perform();int operator+(const Singer& rhs);int changeme(std::string name,int age,int hits);Singer combine(const Singer& rhs);private:int hits_=0;};int FindOldestandMostSuccess(std::vector<Singer> list); Task: Implement the function int Singer::changeme(std::string name,int age,int hits) : This function should check if the values passed by name, age and hits are different than those stored. And if this is the case it should change the values. This should be done by…