1    package arrayplay;
2    
3    import java.io.File;
4    import java.io.FileNotFoundException;
5    import java.io.IOException;
6    import java.io.PrintWriter;
7    import java.util.Scanner;
8    
9    
10   public class ReverseCopy {
11       public static void main(String[] args) throws FileNotFoundException, IOException {
12           String inputFileName = "imagine.txt";
13           String outputFileName = "imagineReversed.txt";
14           String[] words = readWordsFromFile(inputFileName);
15           writeWordsToFile(words, outputFileName);
16       }
17   
18       private static final int LIMIT = 1000;
19   
20       private static String[] readWordsFromFile(String inputFileName) throws FileNotFoundException {
21           // Equate a scanner with the input file
22           Scanner scanner = establishScanner(inputFileName);
23           // Read the words from the file into an oversized array
24           String[] temp = new String[LIMIT];
25           int index = 0;
26           while (scanner.hasNext()) {
27               String word = scanner.next();
28               temp[index] = word;
29               index = index + 1;
30           }
31           int wordCount = index;
32           // Transfer the words to a perfectly sized array
33           String[] words = new String[wordCount];
34           for (int x = 0; x < wordCount; x = x + 1) {
35               words[x] = temp[x];
36           }
37           // Return the words
38           return words;
39       }
40   
41       private static void writeWordsToFile(String[] words, String outputFileName) throws IOException {
42           // Equate a printer with an output file
43           PrintWriter printer = getPrintWriter(outputFileName);
44           // Print the words to the file
45           for (int x = words.length - 1; x >= 0; x = x - 1) {
46               printer.println(words[x]);
47           }
48           printer.close();
49       }
50   
51       private static Scanner establishScanner(String inputFileName) throws FileNotFoundException {
52           String fullFileName = createFullFileName(inputFileName);
53           return new Scanner(new File(fullFileName));
54       }
55   
56       private static PrintWriter getPrintWriter(String outputFileName) throws FileNotFoundException {
57           String fullFileName = createFullFileName(outputFileName);
58           PrintWriter printer = new PrintWriter(fullFileName);
59           return printer;
60   
61   
62       }
63   
64   
65       private static String createFullFileName(String fileName) {
66           String separator = System.getProperty("file.separator");
67           String home = System.getProperty("user.dir");// Changed this from user.home in order to work on windows
68           String path = home + separator + "CS1Files" + separator + "data" + separator;
69           String fullFileName = path + fileName;
70           return fullFileName;
71       }
72   
73   }