1    package arrayplay;
2    
3    import javax.naming.LimitExceededException;
4    import java.io.File;
5    import java.io.FileNotFoundException;
6    import java.io.IOException;
7    import java.io.PrintWriter;
8    import java.util.Scanner;
9    
10   public class ReverseCopy {
11   
12   
13       public static void main(String[] args) throws FileNotFoundException, IOException {
14           String inputFileName = "SongLyrics";
15           String outputFileName = "SongLyricsReversed.text";
16           String[] words = readWordFromFile(inputFileName);
17           writeWordsToFile(words, outputFileName);
18       }
19       private static final int LIMIT = 1000;
20   
21       private static String[] readWordFromFile(String inputFileName) throws FileNotFoundException {
22           //Equate a scanner with the input file
23           Scanner scanner = establishScanner(inputFileName);
24           //Read the words from the file into an oversized array
25           String[] temp = new String[LIMIT];
26           int index = 0;
27           while (scanner.hasNext()) {
28               String word = scanner.next();
29               temp[index] = word;
30               index = index + 1;
31           }
32           int wordCount = index;
33           //Transfer the words to a perfectly sized array
34           String[] words = new String[wordCount];
35           for ( int x = 0; x < wordCount; x = x + 1) {
36               words[x] = temp[x];
37           }
38           //Return the words
39           return words;
40       }
41   
42       private static void writeWordsToFile(String[] words, String outputFileName) throws IOException{
43           //Equate a printer with an output file
44           PrintWriter printer = getPrintWriter(outputFileName);
45           //Print the words to the file
46           for ( int x = words.length - 1; x >= 0; x = x - 1) {
47               printer.println(words[x]);
48           }
49           printer.close();
50       }
51   
52       private static Scanner establishScanner(String inputFileName) throws FileNotFoundException{
53           String fullFileName = createFullFileName(inputFileName);
54           return new Scanner(new File(fullFileName));
55       }
56   
57       private static PrintWriter getPrintWriter(String outputFileName) throws FileNotFoundException {
58           String fullFileName = createFullFileName(outputFileName);
59           PrintWriter printer = new PrintWriter(fullFileName);
60           return printer;
61       }
62   
63       //Create the full file name for a simple file name, assuming that it will be found in the CS1Files/data
64       // subdirectory of the user's home directory
65   
66       private static String createFullFileName(String fileName) {
67           String separator = System.getProperty("file.separator");
68           String home = System.getProperty("user.home");
69           String path = home + separator + "CS1Files" + separator + "data" + separator;
70           String fullFileName = path + fileName;
71           return fullFileName;
72       }
73   
74   
75   }
76