Select Page

message with details. Programmer assignment need seven classes. Classes must complie and read word doc.
message with details. Programmer assignment need seven classes. Classes must complie and read word doc.
CSIS 212 Programming Assignment 8 Instructions Exercise 10.12: Payroll Modification Modify the payroll system of Figs 10.4 –10.9 to include private instance variable birthdate in class Employee. Use class Date of Fig 8.7 to represent an employee’s birthday. Add get methods to class Date. Assume that payroll is processed once per month. Create an array of Employee variables to store references to the various employee objects. In a loop, calculate the payroll for each Employee (polymorphic ally), and add a \$100.00 bonus to the persons payroll amount if the current month is the one in which the Employee’s birthdate occurs.         This assignment is due by 11:59 p.m. (ET) on Monday.     Figures: Fig 8.7Fig.8.7 Date class declaration. 1   // Fig. 8.7: Date.java 2   // Date class declaration. 3 4   public class Date { 5      private int month; // 1-12 6      private int day; // 1-31 based on month 7      private int year; // any year 8 9      private static final int[] daysPerMonth =10         { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };1112      // constructor: confirm proper value for month and day given the year13      public Date(int month, int day, int year) {14         // check if month in range15         if (month <= 0 || month > 12)16            throw new IllegalArgumentException(17               “month (” + month + “) must be 1-12”);18         }1920         // check if day in range for month21         if (day <= 0 ||22            (day > daysPerMonth[month] && !(month == 2 && day == 29)))23            throw new IllegalArgumentException(“day (” + day +24               “) out-of-range for the specified month and year”);25         }2627         // check for leap year if month is 2 and day is 2928         if (month == 2 && day == 29 && !(year % 400 == 0 ||29               (year % 4 == 0 && year % 100 != 0)))30            throw new IllegalArgumentException(“day (” + day +31               “) out-of-range for the specified month and year”);32         }3334         this.month = month;35         this.day = day;36         this.year = year;3738         System.out.printf(“Date object constructor for date %s%n”, this);39      }4041      // return a String of the form month/day/year42      public String toString() {43         return String.format(“%d/%d/%d”, month, day, year);44      }45   }Fig 10.4Fig.10.4 Employee abstract superclass. 1   // Fig. 10.4: Employee.java 2   // Employee abstract superclass. 3 4   public abstract class Employee { 5      private final String firstName; 6      private final String lastName; 7      private final String socialSecurityNumber; 8 9      // constructor10      public Employee(String firstName, String lastName,11         String socialSecurityNumber) {12         this.firstName = firstName;13         this.lastName = lastName;14         this.socialSecurityNumber = socialSecurityNumber;15      }1617      // return first name18      public String getFirstName() {return firstName;}1920      // return last name21      public String getLastName() {return lastName;}2223      // return social security number24      public String getSocialSecurityNumber() {return socialSecurityNumber;}2526      // return String representation of Employee object27      @Override28      public String toString() {29         return String.format(“%s %s%nsocial security number: %s”,30            getFirstName(), getLastName(), getSocialSecurityNumber());31      }3233      // abstract method must be overridden by concrete subclasses34      public abstract double earnings(); // no implementation here35   }Fig.10.5 SalariedEmployee concrete class extends abstract class Employee. 1   // Fig. 10.5: SalariedEmployee.java 2   // SalariedEmployee concrete class extends abstract class Employee. 3 4   public class SalariedEmployee extends Employee { 5      private double weeklySalary; 6 7      // constructor 8      public SalariedEmployee(String firstName, String lastName, 9         String socialSecurityNumber, double weeklySalary) {10         super(firstName, lastName, socialSecurityNumber);1112         if (weeklySalary < 0.0) {13            throw new IllegalArgumentException(14               "Weekly salary must be >= 0.0″);15         }1617         this.weeklySalary = weeklySalary;18      }1920      // set salary21      public void setWeeklySalary(double weeklySalary) {22         if (weeklySalary < 0.0) {23            throw new IllegalArgumentException(24               "Weekly salary must be >= 0.0″);25         }2627         this.weeklySalary = weeklySalary;28      }2930      // return salary31      public double getWeeklySalary(){return weeklySalary;}3233      // calculate earnings; override abstract method earnings in Employee34      @Override                                                          35      public double earnings() {return getWeeklySalary();}                3637      // return String representation of SalariedEmployee object  38      @Override                                                    39      public String toString() {                                  40         return String.format(“salaried employee: %s%n%s: \$%,.2f”,41            super.toString(), “weekly salary”, getWeeklySalary());42      }                                                            43   }Fig.10.6 HourlyEmployee class extends Employee. 1   // Fig. 10.6: HourlyEmployee.java 2   // HourlyEmployee class extends Employee. 3 4   public class HourlyEmployee extends Employee { 5      private double wage; // wage per hour 6      private double hours; // hours worked for week 7 8      // constructor 9      public HourlyEmployee(String firstName, String lastName,10         String socialSecurityNumber, double wage, double hours) {11         super(firstName, lastName, socialSecurityNumber);1213         if (wage < 0.0) // validate wage14            throw new IllegalArgumentException("Hourly wage must be >= 0.0″);15         }1617         if ((hours < 0.0) || (hours > 168.0)) { // validate hours18            throw new IllegalArgumentException(19               “Hours worked must be >= 0.0 and <= 168.0");20         }2122         this.wage = wage;23         this.hours = hours;24      }2526      // set wage27      public void setWage(double wage) {28         if (wage < 0.0) // validate wage29            throw new IllegalArgumentException("Hourly wage must be >= 0.0″);30         }3132         this.wage = wage;33      }3435      // return wage36      public double getWage() {return wage;}3738      // set hours worked39      public void setHours(double hours) {40         if ((hours < 0.0) || (hours > 168.0)) // validate hours41            throw new IllegalArgumentException(42               “Hours worked must be >= 0.0 and <= 168.0");43         }4445         this.hours = hours;46      }4748      // return hours worked49      public double getHours() {return hours;}5051      // calculate earnings; override abstract method earnings in Employee52      @Override                                                          53      public double earnings() {                                          54         if (getHours() <= 40) // no overtime                            55            return getWage() * getHours();                                56         }                                                                57         else {                                                          58            return 40 * getWage() + (getHours() - 40) * getWage() * 1.5;  59         }                                                                60      }                                                                  6162      // return String representation of HourlyEmployee object            63      @Override                                                            64      public String toString() {                                          65         return String.format("hourly employee: %s%n%s: \$%,.2f; %s: %,.2f",66            super.toString(), "hourly wage", getWage(),                    67            "hours worked", getHours());                                  68      }                                                                    69   }1   // Fig. 10.7: CommissionEmployee.java 2   // CommissionEmployee class extends Employee. 3 4   public class CommissionEmployee extends Employee { 5      private double grossSales; // gross weekly sales 6      private double commissionRate; // commission percentage 7 8      // constructor9      public CommissionEmployee(String firstName, String lastName,10         String socialSecurityNumber, double grossSales,11         double commissionRate) {12         super(firstName, lastName, socialSecurityNumber);1314         if (commissionRate <= 0.0 || commissionRate >= 1.0) // validate15            throw new IllegalArgumentException(16               “Commission rate must be > 0.0 and < 1.0");17         }1819         if (grossSales < 0.0) { // validate20            throw new IllegalArgumentException("Gross sales must be >= 0.0″);21         }2223         this.grossSales = grossSales;24         this.commissionRate = commissionRate;25      }2627      // set gross sales amount28      public void setGrossSales(double grossSales) {29         if (grossSales < 0.0) { // validate30            throw new IllegalArgumentException("Gross sales must be >= 0.0″);31         }3233         this.grossSales = grossSales;34      }3536      // return gross sales amount37      public double getGrossSales(){return grossSales;}3839      // set commission rate40      public void setCommissionRate(double commissionRate) {41         if (commissionRate <= 0.0 || commissionRate >= 1.0)  { // validate42            throw new IllegalArgumentException(43               “Commission rate must be > 0.0 and < 1.0");44         }4546         this.commissionRate = commissionRate;47      }4849      // return commission rate50      public double getCommissionRate() {return commissionRate;}5152      // calculate earnings; override abstract method earnings in Employee53      @Override                                                          54      public double earnings() {                                          55         return getCommissionRate() * getGrossSales();                    56      }                                                                  5758      // return String representation of CommissionEmployee object59      @Override                                                  60      public String toString() {                                  61         return String.format("%s: %s%n%s: \$%,.2f; %s: %.2f",    62            "commission employee", super.toString(),              63            "gross sales", getGrossSales(),                      64            "commission rate", getCommissionRate());              65      }                                                          66   }Fig.10.8 BasePlusCommissionEmployee class extends CommissionEmployee. 1   // Fig. 10.8: BasePlusCommissionEmployee.java 2   // BasePlusCommissionEmployee class extends CommissionEmployee. 3 4   public class BasePlusCommissionEmployee extends CommissionEmployee { 5      private double baseSalary; // base salary per week 6 7      // constructor 8      public BasePlusCommissionEmployee(String firstName, String lastName, 9         String socialSecurityNumber, double grossSales,10         double commissionRate, double baseSalary) {11         super(firstName, lastName, socialSecurityNumber,12            grossSales, commissionRate);1314         if (baseSalary < 0.0) { // validate baseSalary15            throw new IllegalArgumentException("Base salary must be >= 0.0″);16         }1718         this.baseSalary = baseSalary;19      }2021      // set base salary22      public void setBaseSalary(double baseSalary) {23         if (baseSalary < 0.0) { // validate baseSalary24            throw new IllegalArgumentException("Base salary must be >= 0.0″);25         }2627         this.baseSalary = baseSalary;28      }2930      // return base salary31      public double getBaseSalary() { return baseSalary;}3233      // calculate earnings; override method earnings in CommissionEmployee34      @Override                                                            35      public double earnings() {return getBaseSalary() + super.earnings();}3637      // return String representation of BasePlusCommissionEmployee object38      @Override                                                          39      public String toString() {                                          40         return String.format(“%s %s; %s: \$%,.2f”,                        41            “base-salaried”, super.toString(),                            42            “base salary”, getBaseSalary());                              43      }                                                                  44   }Fig.10.9 Employee hierarchy test program. 1   // Fig. 10.9: PayrollSystemTest.java 2   // Employee hierarchy test program. 3 4   public class PayrollSystemTest { 5      public static void main(String[] args) { 6         // create subclass objects                                           7         SalariedEmployee salariedEmployee =                                 8            new SalariedEmployee(“John”, “Smith”, “111-11-1111”, 800.00);     9         HourlyEmployee hourlyEmployee =                                    10            new HourlyEmployee(“Karen”, “Price”, “222-22-2222”, 16.75, 40);  11         CommissionEmployee commissionEmployee =                            12            new CommissionEmployee(                                          13            “Sue”, “Jones”, “333-33-3333”, 10000, .06);                      14         BasePlusCommissionEmployee basePlusCommissionEmployee =            15            new BasePlusCommissionEmployee(                                  16            “Bob”, “Lewis”, “444-44-4444”, 5000, .04, 300);                  1718         System.out.println(“Employees processed individually:”);1920         System.out.printf(“%n%s%n%s: \$%,.2f%n%n”,21            salariedEmployee, “earned”, salariedEmployee.earnings());22         System.out.printf(“%s%n%s: \$%,.2f%n%n”,23            hourlyEmployee, “earned”, hourlyEmployee.earnings());24         System.out.printf(“%s%n%s: \$%,.2f%n%n”,25            commissionEmployee, “earned”, commissionEmployee.earnings());26         System.out.printf(“%s%n%s: \$%,.2f%n%n”,27            basePlusCommissionEmployee,28            “earned”, basePlusCommissionEmployee.earnings());2930         // create four-element Employee array31         Employee[] employees = new Employee[4];  3233         // initialize array with Employees          34         employees[0] = salariedEmployee;            35         employees[1] = hourlyEmployee;              36         employees[2] = commissionEmployee;          37         employees[3] = basePlusCommissionEmployee;  3839         System.out.printf(“Employees processed polymorphically:%n%n”);4041         // generically process each element in array employees42         for (Employee currentEmployee : employees) {43            System.out.println(currentEmployee); // invokes toString4445            // determine whether element is a BasePlusCommissionEmployee46            if currentEmployee instanceof BasePlusCommissionEmployee {47               // downcast Employee reference to48               // BasePlusCommissionEmployee reference49               BasePlusCommissionEmployee employee =50                  (BasePlusCommissionEmployee) currentEmployee ;5152               employee.setBaseSalary(1.10 * employee.getBaseSalary());5354               System.out.printf(55                  “new base salary with 10%% increase is: \$%,.2f%n”,56                  employee.getBaseSalary());57            }5859            System.out.printf(60               “earned \$%,.2f%n%n”, currentEmployee.earnings());61         }6263         // get type name of each object in employees array64         for (int j = 0; j < employees.length; j++) {      65            System.out.printf("Employee %d is a %s%n", j,  66               employees[j].getClass().getName());        67         }                                                68      }69   }

#### Why Choose Us

• 100% non-plagiarized Papers
• Affordable Prices
• Any Paper, Urgency, and Subject
• Will complete your papers in 6 hours
• On-time Delivery
• Money-back and Privacy guarantees
• Unlimited Amendments upon request
• Satisfaction guarantee

#### How it Works

• Click on the “Place Order” tab at the top menu or “Order Now” icon at the bottom and a new page will appear with an order form to be filled.
• Fill in your paper’s requirements in the "PAPER DETAILS" section.