// Include namespace system

using System;

using System.IO;

​

​

​

public class Main

{

    // main class

    public static void Main(String[] args)

    {

        var sc =  "Inputs";

        char choice;

        String emplo;

        Console.Write("Enter employee name: ");

        emplo = Console.ReadLine();

        Console.Write("Press F for Full Time or P for Part Time: ");

        choice = sc.next()[0];

        if (choice == 'F' || choice == 'f' || choice == 'P' || choice == 'p')

        {

            switch (choice)

            {

                case 'F':

                case 'f':

                    Console.WriteLine("\n--- Full Time Employee ---");

                    Console.Write("Enter Monthly Salary: ");

                    var FULLTE = new FullTimeEmployee(emplo, Convert.ToDouble(Console.ReadLine()));

                    Console.WriteLine("");

                    FULLTE.writeOutput();

                    break;

                // stop or break the loop or switch statement and control jumps to the outer loop.

                case 'P':

                case 'p':

                    Console.WriteLine("\n--- Part Time Employee ---");

                    Console.Write("Enter rate per hour and no. of hours worked seperated by space: : ");

                    var PARTTI = new PartTimeEmployee(emplo, Convert.ToDouble(Console.ReadLine()), Convert.ToInt64(Console.ReadLine()));

                    Console.WriteLine("");

                    PARTTI.writeOutput();

                    break;

            }

        }

        else 

        {

            Console.WriteLine("ERROR: Unknown employee type");

        }

    }

}

public class Employee

{

    // 2nd Class method

    private String name;

    public Employee(String name)

    {

        this.setName(name);

    }

    public void setName(String name)

    {

        this.name = name;

    }

    public String getName()

    {

        return this.name;

    }

    public void writeOutput()

    {

        Console.WriteLine("Name: " + this.name);

    }

}

public class FullTimeEmployee : Employee

{

    // 3rd Class method

    private double monthlySalary;

    public FullTimeEmployee(String name, double salary)

    {

        this.monthlySalary = salary;

    }

    public void setSalary(double salary)

    {

        this.monthlySalary = salary;

    }

    public double getSalary()

    {

        return this.monthlySalary;

    }

    public void writeOutput()

    {

        if ((this.monthlySalary <= 0))

        {

            // Using this if else statement it can identify, if the number is below or equal to 0

            Console.WriteLine("System Error. Please Try Again");

            Environment.Exit(0);

        }

        else 

        {

            this.super.writeOutput();

            Console.Write("Monthly Salary: %,.2f",this.monthlySalary);

        }

    }

}

public class PartTimeEmployee : Employee

{

    // 4th Class method

    private double ratePerHour;

    private int hoursWorked;

    public PartTimeEmployee(String name, double rate, int hours)

    {

        this.ratePerHour = rate;

        this.hoursWorked = hours;

    }

    public void setHourlyRate(double rate)

    {

        this.ratePerHour = rate;

    }

    public void setHoursWorked(int hour)

    {

        this.hoursWorked = hour;

    }

    public double getWage()

    {

        // Computation of Hours rate and Hours worked

        double wage;

        wage = this.ratePerHour * this.hoursWorked;

        return wage;

    }

    public void writeOutput()

    {

        if (this.ratePerHour <= 0)

        {

            // Using this if else if else statement it can identify, if the number is below or equal to 0

            Console.WriteLine("System Error. Please Try Again");

            Environment.Exit(0);

        }

        else if (this.hoursWorked <= 0)

        {

            // Using this if else if else statement it can identify, if the number is below or equal to 0

            Console.WriteLine("System Error. Please Try Again");

            Environment.Exit(0);

        }

        else 

        {

            this.super.writeOutput();

            Console.Write("Wage: %,.2f",this.getWage());

        }

    }

}