import java.util.ArrayList;

import java.util.List;

import java.util.Scanner;

// Base Employee class

abstract class Employee {

protected String name;

protected String employeeID;

protected double baseSalary;

protected static final double TAX_RATE = 0.1; // 10% tax

protected static final double PERFORMANCE_BONUS = 500; // Performance bonus for eligible employees

public Employee(String name, String employeeID, double baseSalary) {

this.name = name;

this.employeeID = employeeID;

this.baseSalary = baseSalary;

}

// Abstract method to calculate salary

public abstract double calculateSalary();

// Method to generate payslip

public void generatePayslip() {

System.out.println("Employee ID: " + employeeID);

System.out.println("Name: " + name);

System.out.println("Base Salary: $" + baseSalary);

System.out.println("Total Salary: $" + calculateSalary());

System.out.println("---------------------------");

}

}

// Full-Time Employee subclass

class FullTimeEmployee extends Employee {

private double overtimeHours;

private double overtimeRate;

public FullTimeEmployee(String name, String employeeID, double baseSalary, double overtimeHours, double overtimeRate) {

super(name, employeeID, baseSalary);

this.overtimeHours = overtimeHours;

this.overtimeRate = overtimeRate;

}

@Override

public double calculateSalary() {

double overtimePay = overtimeHours * overtimeRate;

double grossSalary = baseSalary + overtimePay + PERFORMANCE_BONUS;

return grossSalary - (grossSalary * TAX_RATE);

}

}

// Part-Time Employee subclass

class PartTimeEmployee extends Employee {

private double hoursWorked;

private double hourlyRate;

public PartTimeEmployee(String name, String employeeID, double hourlyRate, double hoursWorked) {

super(name, employeeID, 0);

this.hourlyRate = hourlyRate;

this.hoursWorked = hoursWorked;

}

@Override

public double calculateSalary() {

double grossSalary = hoursWorked * hourlyRate;

return grossSalary - (grossSalary * TAX_RATE);

}

}

// Contract Employee subclass

class ContractEmployee extends Employee {

private double contractBonus;

public ContractEmployee(String name, String employeeID, double baseSalary, double contractBonus) {

super(name, employeeID, baseSalary);

this.contractBonus = contractBonus;

}

@Override

public double calculateSalary() {

double grossSalary = baseSalary + contractBonus;

return grossSalary - (grossSalary * TAX_RATE);

}

}

// Payroll System

public class PayrollSystem {

public static void main(String[] args) {

Scanner scanner = new Scanner(System.in);

List<Employee> employees = new ArrayList<>();

try {

System.out.print("Enter the number of employees: ");

int numEmployees = Integer.parseInt(scanner.nextLine());

for (int i = 0; i < numEmployees; i++) {

System.out.println("Enter details for Employee " + (i + 1));

System.out.print("Name: ");

String name = scanner.nextLine();

System.out.print("Employee ID: ");

String employeeID = scanner.nextLine();

System.out.print("Enter employee type (FullTime/PartTime/Contract): ");

String type = scanner.nextLine().toLowerCase();

switch (type) {

case "fulltime" -> {

System.out.print("Base Salary: ");

double baseSalary = Double.parseDouble(scanner.nextLine());

System.out.print("Overtime Hours: ");

double overtimeHours = Double.parseDouble(scanner.nextLine());

System.out.print("Overtime Rate: ");

double overtimeRate = Double.parseDouble(scanner.nextLine());

employees.add(new FullTimeEmployee(name, employeeID, baseSalary, overtimeHours, overtimeRate));

}

case "parttime" -> {

System.out.print("Hourly Rate: ");

double hourlyRate = Double.parseDouble(scanner.nextLine());

System.out.print("Hours Worked: ");

double hoursWorked = Double.parseDouble(scanner.nextLine());

employees.add(new PartTimeEmployee(name, employeeID, hourlyRate, hoursWorked));

}

case "contract" -> {

System.out.print("Base Salary: ");

double baseSalary = Double.parseDouble(scanner.nextLine());

System.out.print("Contract Bonus: ");

double contractBonus = Double.parseDouble(scanner.nextLine());

employees.add(new ContractEmployee(name, employeeID, baseSalary, contractBonus));

}

default -> System.out.println("Invalid employee type.");

}

}

System.out.println("\nGenerating Payslips...");

for (Employee emp : employees) {

emp.generatePayslip();

}

} catch (NumberFormatException e) {

System.out.println("Invalid input! Please enter numbers correctly.");

} catch (Exception e) {

System.out.println("An error occurred: " + e.getMessage());

} finally {

scanner.close();

}

}

}