RaceControl.java

import java.util.*;
import java.io.*;

public class RaceControl {
    public static void main(String[] args) {
        ArrayList<Driver> grid2024 = new ArrayList<>();
        ArrayList<Driver> grid2025 = new ArrayList<>();
        String racers2024 = "f1drivers2024.csv";
        String racers2025 = "f1drivers2025.csv";

        try {
            //Adds 2024 data to the grid arrayList as Driver objects
            Scanner fileReader2024 = new Scanner(new File(racers2024));
            
            //Remove first entry
            fileReader2024.nextLine();

            //Loop through the file
            while (fileReader2024.hasNextLine()) {
                String line = fileReader2024.nextLine();
                //Split the line by comma
                String[] data = line.split(",");
                
                //Parse data and create Athlete object
                grid2024.add(new Driver(
                    data[0], data[1], Double.parseDouble(data[2]), Double.parseDouble(data[3]), 
                    Double.parseDouble(data[4])
                ));
            }
            fileReader2024.close();
            System.out.println("Successfully loaded " + grid2024.size() + " records.");

            
            //Adds 2025 data to the grid arrayList as Driver objects
            Scanner fileReader2025 = new Scanner(new File(racers2025));

            //Remove first entry
            fileReader2025.nextLine();

            //Loop through the file
            while (fileReader2025.hasNextLine()) {
                String line = fileReader2025.nextLine();
                //Split the line by comma
                String[] data = line.split(",");
                
                //Parse data and create Athlete object
                grid2025.add(new Driver(
                    data[0], data[1], Double.parseDouble(data[2]), Double.parseDouble(data[3]), 
                    Double.parseDouble(data[4])));
            }
            fileReader2025.close();
            System.out.println("Successfully loaded " + grid2025.size() + " records.");


        } 

        catch (FileNotFoundException e) {
            System.out.println("Error: The file '" + racers2025 + "' was not found.");
        } catch (NumberFormatException e) {
            System.out.println("Error: Failed to parse a numeric value in the CSV.");
        }

        // System.out.println("2024 Racers: \n");
        // for (Driver d:grid2024){
        //     System.out.println(d.toString());
        // }
        // System.out.println("\n2025 Racers: ");
        // for (Driver d:grid2025){
        //     System.out.println(d.toString());
        //}
        System.out.println("Between 2024 and 2025, ");
        for(int i = 0; i<grid2025.size();i++){
            String currentDriver = grid2025.get(i).getName();
            
            for (int j = 0; j<grid2024.size();j++){
                
                String name = grid2024.get(j).getName();
                double podiumPercent;
                double winPercent;
                double champPercent;
                if (grid2024.get(j).getPodiums() != 0){
                    podiumPercent = (((grid2025.get(i).getPodiums())/(grid2024.get(j).getPodiums()))*100)-100;
                }
                else{
                    podiumPercent = 0;
                }
                if (grid2024.get(j).getWins() != 0){
                    winPercent = (((grid2025.get(i).getWins())/(grid2024.get(j).getWins()))*100)-100; 
                }
                else{
                    winPercent = 0;
                }
                if (grid2024.get(j).getChampPoints() != 0){
                    champPercent = (((grid2025.get(i).getChampPoints())/(grid2024.get(j).getChampPoints()))*100)-100;
                }
                else{
                    champPercent = 0;
                }               
                
                if (currentDriver.equals(name)){
                    if ((grid2025.get(i).getTeam()).equals((grid2024.get(j).getTeam()))){
                        System.out.printf("\nDriver " + currentDriver + " raced on " + (grid2025.get(i).getTeam()) + 
                            " in both years, had a %.2f%% change in podiums, a %.2f%% change in wins, and a %.2f%% change in championship points",
                            podiumPercent, winPercent, champPercent);
                    } else {
                        System.out.printf("\nDriver " + currentDriver + " moved from " + grid2024.get(j).getTeam() +
                            " to " + grid2025.get(i).getTeam() +
                            ", had a %.2f%% change in podiums, a %.2f%% change in wins, and a %.2f%% change in championship points",
                            podiumPercent, winPercent, champPercent);
                    }
}
            }
        }

    }
}