CS1 Standard Demo Page

package arraylistplay;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Scanner;

public class ReverseCopy {
    public static void main(String[] args)throws FileNotFoundException, IOException {
        String inputFileName = "Closer.text";
        String outputFileName = "CloserReversed.text";
        ArrayList words = readWordsFromFile(inputFileName);
        writeWordsToFile(words, outputFileName);
    }
    private static ArrayList readWordsFromFile(String inputFileName)
        throws FileNotFoundException{
        Scanner scanner = establishScanner(inputFileName);
        ArrayList words = new ArrayList<>();
        while (scanner.hasNext()){
            String word = scanner.next();
            words.add(word);
        }
        return words;
    }
    private static void writeWordsToFile(ArrayList words, String outputFileName)
        throws IOException{
        PrintWriter printer =getPrintWriter(outputFileName);
        for (int x = words.size()-1; x >= 0; x=x-1){
            printer.println(words.get(x));
        }
        printer.close();
    }
    private static Scanner establishScanner(String inputFileName )
        throws FileNotFoundException{
        String fullFileName = createFullFileName(inputFileName);
        return new Scanner(new File(fullFileName));
    }
    private static PrintWriter getPrintWriter(String outputFileName)
        throws FileNotFoundException{
        String fullFileName = createFullFileName(outputFileName);
        PrintWriter printer =  new PrintWriter(fullFileName);
        return printer;
    }
    private static String createFullFileName(String fileName){
        String separator = System.getProperty("file.separator");
        String home = System.getProperty("user.home");
        String path = home + separator + "CS1Files" + separator + "data" + separator;
        String fullFileName = path + fileName;
        return fullFileName;
    }
}