ReverseCopy.java
1    package arraylistplay;
2    // program to copy song lyrics in reverse
3    import java.util.ArrayList;
4    import javax.swing.*;
5    import java.io.File;
6    import java.io.FileNotFoundException;
7    import java.io.IOException;
8    import java.io.PrintWriter;
9    import java.util.Scanner;
10   
11   public class ReverseCopy {
12       public static void main(String[] args) throws FileNotFoundException, IOException {
13           String inputFileName = "SongLyricsLowRider.text";
14           String outputFileName = "SongLyricsLowRiderReversed";
15           ArrayList<String> words = readWordsFromFile(inputFileName);
16           writeWordsToFile(words ,outputFileName);
17       }
18       private static final int LIMIT = 1000;
19   
20       private static ArrayList<String> readWordsFromFile(String inputFileName) throws FileNotFoundException {
21           Scanner scanner = establishScanner(inputFileName);
22           ArrayList<String> words = new ArrayList<>();
23   
24           while (scanner.hasNext() ) {
25               String word = scanner.next();
26               words.add(word);
27           }
28           return words;
29       }
30   
31       private static void writeWordsToFile(ArrayList<String> words, String outputFileName) throws IOException {
32           PrintWriter printer = getPrintWriter(outputFileName);
33           for ( int x = words.size() - 1; x >= 0; x = x - 1) {
34               printer.println(words.get(x));
35           }
36           printer.close();
37       }
38   
39       private static Scanner establishScanner(String inputFileName) throws FileNotFoundException {
40           String fullFileName = createFullFileName(inputFileName);
41           return new Scanner(new File(fullFileName));
42   
43       }
44   
45       private static PrintWriter getPrintWriter(String outputFileName) throws FileNotFoundException {
46           String fullFileName = createFullFileName(outputFileName);
47           PrintWriter printer = new PrintWriter(fullFileName);
48           return printer;
49       }
50       private static String createFullFileName(String fileName) {
51           String separator = System.getProperty("file.separator");
52           String home = System.getProperty("user.home");
53           String path = home + separator + "CS1Files" + separator + "data" + separator;
54           String fullFileName = path + fileName;
55           return fullFileName;
56   
57       }
58   }