1    /* //Program to read and reverse the copy of the lyric of the song 
2     */
3    
4    
5    
6    package arrayplay;
7    
8    import java.io.File;
9    import java.io.FileNotFoundException;
10   import java.io.IOException;
11   import java.io.PrintWriter;
12   import java.util.Scanner;
13   
14   public class ReverseCopy {
15       public static void main(String[] args) throws FileNotFoundException, IOException {
16           String inputFileName = "Perfect.text";
17           String outputFileName = "PerfectReversed.text";
18           String[] words = readWordsFromFile(inputFileName);
19           writeWordsToFile(words,outputFileName);
20       }
21   
22       private static final int LIMIT = 1000;
23   
24       private static String[] readWordsFromFile(String inputFileName) throws FileNotFoundException {
25           //Equate a scanner with the input file
26           Scanner scanner = establishScanner(inputFileName);
27           //read the word from the file into oversizes array
28           String[] temp = new String[LIMIT];
29           int index = 0;
30           while (scanner.hasNext()) {
31               String word = scanner.next();
32               temp[index] = word;
33               index = index + 1;
34           }
35           int wordCount = index;
36           //transfer the words to a perfectly sized array
37           String[] words = new String[wordCount];
38           for (int x = 0; x < wordCount; x = x + 1) {
39               words[x] = temp[x];
40   
41           }
42           //return the word
43           return words;
44       }
45   
46       private static void writeWordsToFile(String[] words, String outputFileName) throws IOException {
47           //Equate a printer with an output file
48           PrintWriter printer = getPrintWriter(outputFileName);
49           //print the word to the file
50           for (int x = words.length - 1; x >= 0; x = x - 1) {
51               printer.println(words[x]);
52           }
53           printer.close();
54       }
55   
56       private static Scanner establishScanner(String inputFileName) throws FileNotFoundException {
57           String fullFileName = createFullFileName(inputFileName);
58           return new Scanner(new File(fullFileName));
59       }
60   
61   
62       private static PrintWriter getPrintWriter(String outputFileName) throws FileNotFoundException {
63           String fullFileName = createFullFileName(outputFileName);
64           PrintWriter printer = new PrintWriter(fullFileName);
65           return printer;
66       }
67   
68       //Create the full file name for a simple file name assuming that it willl be
69       //found in the CS1File/data subdirectory of the user's home directory
70       private static String createFullFileName(String fileName) {
71           String separator = System.getProperty("file.separator");
72           String home = System.getProperty("user.home");
73           String path = home + separator + "CS1Files" + separator + "data" + separator;
74           String fullFileName = path + fileName;
75           return fullFileName;
76       }
77   }
78   
79   
80