public class Tour
{
    private String origin;
    private String destination;
    private int days;
    private int cost;

    public Tour()
    {
        this.origin = "";
        this.destination = "";
        this.days = 0;
        this.cost = 0;
    }

    public Tour(String origin, String destination, int days, int cost)
    {
        this.origin = origin;
        this.destination = destination;
        this.days = days;
        this.cost = cost;
    }

    public int getCost()
    {
        return cost;
    }

    public int getDays()
    {
        return days;
    }

    public String getDestination()
    {
        return destination;
    }

    public String getOrigin()
    {
        return origin;
    }

    public void setCost(int cost)
    {
        this.cost = cost;
    }

    public void setDays(int days)
    {
        this.days = days;
    }

    public void setDestination()
    {
        this.destination = destination;
    }

    public void setOrigin()
    {
        this.origin = origin;
    }

    public String toString()
    {
        return String.format("Origin: %s, Destination: %s, Days: %d, Cost: $%d",
                    origin, destination, days, cost);
    }
}

import java.util.List;
import java.util.ArrayList;
import java.io.*;

public class TourManager
{
    private List<Tour> tours;

    public TourManager()
    {
        this.tours = new ArrayList<>();
    }

    public TourManager(ArrayList<Tour> tours)
    {
        this.tours = tours;
    }

    public void display()
    {
        if (tours.isEmpty())
        {
            System.out.println("No tours to display");
        }

        System.out.println("Tour Information:");
        System.out.println("---------------------");
        for (Tour tour : tours)
        {
            System.out.println(tour.toString());
        }
    }

    public static void main(String[] args)
    {
        TourManager manager = new TourManager();
        manager.readFileFrom("tours.txt");
        manager.display();
    }

    public void readFileFrom(String fileName)
    {   
        try (BufferedReader reader = new BufferedReader(new FileReader(fileName)))
        {
            String line;

            while ((line = reader.readLine()) != null)
            {
                String[] parts = line.split(",");

                if (parts.length == 4)
                {
                    String origin = parts[0].trim();
                    String destination = parts[1].trim();
                    int days = Integer.parseInt(parts[2].trim());
                    int cost = Integer.parseInt(parts[3].trim());

                    Tour tour = new Tour(origin, destination, days, cost);
                    tours.add(tour);

                }
                else
                {
                    System.out.println("Skipping invalid line: " + line);
                }
            }
        }
        catch (FileNotFoundException e)
        {
            System.out.println("File not found: " + fileName);
        }
        catch (IOException e)
        {
            System.out.println("Error reading from file: " + e.getMessage());
        }
        catch (NumberFormatException e)
        {
            System.out.println("Invalid number format in file: " + e.getMessage());
        }
    }
}

Venice,Rome,2,500
Rome,Milan,3,400
Milan,Geneva,4,700
Geneva,Hamburg,4,650