1    package arraylistplay;
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.ArrayList;
8    import java.util.Scanner;
9    
10   public class ReverseCopy {
11   
12       public static void main(String[] args) throws FileNotFoundException, IOException {
13           String inputFileName = "today i dont feel like doing anything.text";
14           String outputFileName = "today i dont feel like doing anythingReversed.text";
15           ArrayList<String> words = readWordsFromFile(inputFileName);
16           writeWordsToFile(words, outputFileName);
17       }
18   
19       private static ArrayList<String> readWordsFromFile(String inputFileName)
20               throws FileNotFoundException {
21           Scanner scanner = establishScanner(inputFileName);
22           ArrayList<String> words = new ArrayList<>();
23           while (scanner.hasNext()) {
24               String word = scanner.next();
25               words.add(word);
26           }
27           // return the words
28           return words;
29       }
30   
31       private static void writeWordsToFile(ArrayList<String> words, String outputFileName)
32               throws IOException {
33           PrintWriter printer = getPrintWriter(outputFileName);
34           for (int x = words.size() - 1; x >= 0; x = x - 1) {
35               printer.println(words.get(x));
36           }
37           printer.close();
38       }
39   
40       private static Scanner establishScanner(String inputFileName)
41               throws FileNotFoundException {
42           String fullFileName = createFullFileName(inputFileName);
43           return new Scanner(new File(fullFileName));
44       }
45   
46       private static PrintWriter getPrintWriter(String outputFileName)
47               throws FileNotFoundException {
48           String fullFileName = createFullFileName(outputFileName);
49           PrintWriter printer = new PrintWriter(fullFileName);
50           return printer;
51       }
52   
53       private static String createFullFileName(String fileName) {
54           String separator = System.getProperty("file.separator");
55           String home = System.getProperty("user.home");
56           String path = home + separator + "CS1Files" + separator + "data" + separator;
57           String fullFileName = path + fileName;
58           return fullFileName;
59       }
60   }
61