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import java.util.Map; import java.util.Scanner; import java.util.TreeMap;
public class Main { public static void main(String[] args) throws EmployeeException { var input = new Scanner(System.in); String order; var factory = new Factory(); while (true) { order = input.next(); Employee employee = null; try { switch (order) { case "exit" -> { return; }
case "add", "update" -> { var tag = input.nextInt();
String firstName = input.next(), lastName = input.next(), socialSecurity = input.next(); switch (tag) { case 0 -> { employee = new SalariedEmployee(firstName, lastName, socialSecurity); var weeklySalary = input.nextDouble(); ((SalariedEmployee) employee).setWeeklySalary(weeklySalary); } case 1 -> { employee = new HourlyEmployee(firstName, lastName, socialSecurity); double wage = input.nextDouble(), hours = input.nextDouble(); ((HourlyEmployee) employee).setWage(wage); ((HourlyEmployee) employee).setHours(hours); } case 2 -> { employee = new CommissionEmployee(firstName, lastName, socialSecurity); double grossSales = input.nextDouble(), commissionRate = input.nextDouble(); ((CommissionEmployee) employee).setGrossSales(grossSales); ((CommissionEmployee) employee).setCommissionRate(commissionRate); } case 3 -> { employee = new basePlusCommissionEmployee(firstName, lastName, socialSecurity); double grossSales = input.nextDouble(), commissionRate = input.nextDouble(), baseSalary = input.nextDouble(); ((basePlusCommissionEmployee) employee).setGrossSales(grossSales); ((basePlusCommissionEmployee) employee).setCommissionRate(commissionRate); ((basePlusCommissionEmployee) employee).setBaseSalary(baseSalary); } } if (order.equals("add")) employee = factory.addEmployee(employee); else employee = factory.updateEmployee(socialSecurity, employee); } case "get" -> employee = factory.getEmployee(input.next()); case "delete" -> employee = factory.deleteEmployee(input.next()); case "print" -> factory.printEmployees(); } if (employee != null) System.out.println(employee);
} catch (EmployeeException e) { System.out.println(e.code); System.out.println(e.message); } } } }
abstract class Employee implements Comparable<Employee> { private String firstName; private String lastName; private final String socialSecurity;
public String getFirstName() { return firstName; }
public String getLastName() { return lastName; }
public String getSocialSecurity() { return socialSecurity; }
void setFirstName(String firstName) { this.firstName = firstName; }
void setLastName(String lastName) { this.lastName = lastName; }
public Employee(String firstName, String lastName, String socialSecurity) { this.firstName = firstName; this.lastName = lastName; this.socialSecurity = socialSecurity; }
@Override public String toString() { return String.format("firstName:%s; lastName:%s; socialSecurityNumber:%s; earning:%.2f", firstName, lastName, socialSecurity, earning()); }
public int compareTo(Employee other) { return (int) (this.earning() - other.earning()); }
abstract double earning(); }
class SalariedEmployee extends Employee { private double weeklySalary;
public double getWeeklySalary() { return weeklySalary; }
public void setWeeklySalary(double weeklySalary) { this.weeklySalary = weeklySalary; }
public SalariedEmployee(String firstName, String lastName, String socialSecurity) { super(firstName, lastName, socialSecurity); }
public double earning() { return weeklySalary * 4; }
}
class HourlyEmployee extends Employee { public double getWage() { return wage; }
public void setWage(double wage) { this.wage = wage; }
public double getHours() { return hours; }
public void setHours(double hours) { this.hours = hours; }
private double wage; private double hours;
public HourlyEmployee(String firstName, String lastName, String socialSecurity) { super(firstName, lastName, socialSecurity); }
public double earning() { return wage * hours; } }
class CommissionEmployee extends Employee { private double grossSales; private double commissionRate;
public double getGrossSales() { return grossSales; }
public void setGrossSales(double grossSales) { this.grossSales = grossSales; }
public double getCommissionRate() { return commissionRate; }
public void setCommissionRate(double commissionRate) { this.commissionRate = commissionRate; }
public CommissionEmployee(String firstName, String lastName, String socialSecurity) { super(firstName, lastName, socialSecurity); }
public double earning() { return grossSales * commissionRate; } }
class basePlusCommissionEmployee extends CommissionEmployee { private double baseSalary;
public double getBaseSalary() { return baseSalary; }
public void setBaseSalary(double baseSalary) { this.baseSalary = baseSalary; }
public basePlusCommissionEmployee(String firstName, String lastName, String socialSecurity) { super(firstName, lastName, socialSecurity); }
public double earning() { return super.earning() + baseSalary; } }
class EmployeeException extends Exception { public int code; public String message;
EmployeeException(int code, String message) { this.code = code; this.message = message; } }
class Factory { private final Map<String, Employee> employees = new TreeMap<>();
public Employee getEmployee(String empSecNum) throws EmployeeException { if (employees.containsKey(empSecNum)) return employees.get(empSecNum); else throw new EmployeeException(1004, "employee not found."); }
public Employee deleteEmployee(String empSecNum) throws EmployeeException { if (employees.containsKey(empSecNum)) { var employee = employees.get(empSecNum); employees.remove(empSecNum); return employee; } else throw new EmployeeException(1002, "employee not found."); }
public Employee addEmployee(Employee emp) throws EmployeeException { if (employees.containsKey(emp.getSocialSecurity())) throw new EmployeeException(1001, "employee exists."); else { employees.put(emp.getSocialSecurity(), emp); return emp; } }
Employee updateEmployee(String empSecNum, Employee emp) throws EmployeeException { if (employees.containsKey(empSecNum)) { employees.put(empSecNum, emp); return employees.get(empSecNum); } else throw new EmployeeException(1003, "employee not found."); }
public void printEmployees() { for (Map.Entry<String, Employee> entry : employees.entrySet()) { var value = entry.getValue(); if (value != null) System.out.println(value); } } }
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