Untitled

import java.io.File;
import java.util.Scanner;
import java.util.Formatter;
import java.io.FileNotFoundException;
import java.util.ArrayList;

public class Munge
{

    private String inFileName, outFileName;
    private Scanner inFile;
    private Formatter outFile;
    private int line = 0;

    private String[] data = new String[100];

    public Munge(String inFileName, String outFileName)
    {
        this.inFileName = inFileName;
        this.outFileName = outFileName;
    }

    public void openFiles()
    {
        try
        {
            inFile = new Scanner(new File(inFileName));
        }
        catch(FileNotFoundException exception)
        {
            System.err.println("File not found.");
            System.exit(1);
        }
        catch(SecurityException exception)
        {
            System.err.println("You do not have access to this file.");
            System.exit(1);
        }

        try
        {
            outFile = new Formatter(outFileName);
        }
        catch(FileNotFoundException exception)
        {
            System.err.println("File not found.");
            System.exit(1);
        }
        catch(SecurityException exception)
        {
            System.err.println("You do not have access to this file.");
            System.exit(1);
        }
    }

    public void readRecords()
    {
        while(inFile.hasNext())
        {
            data[line] = inFile.nextLine();
            System.out.println(data[line]);
            line++;
        }
    }

    public void writeRecords()
    {
        for(int i = 0; i < line; i++)
        {
            String tokens[] = data[i].split(", ");
            String city = tokens[i];
            String province = tokens[i + 1];

            ArrayList<ArrayList<String>> provinces = new ArrayList<ArrayList<String>>();

            if(!provinces.contains(province))
                provinces.add(province);

            provinces(indexOf(province)).add(new ArrayList(cities));

        }
    }

    public void closeFiles()
    {
        if(inFile != null)
            inFile.close();

        if(outFile != null)
            outFile.close();
    }
}