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 public class ReverseCopy { 10 11 public static void main(String[] args) throws FileNotFoundException, IOException { 12 String inputFileName = "IWriteSinsNotTragedies.text"; 13 String outputFileName = "IWriteSinsNotTragediesReversed.text"; 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 22 Scanner scanner = establishScanner(inputFileName); 23 String[] temp = new String[LIMIT]; 24 int index = 0; 25 while (scanner.hasNext()) { 26 String word = scanner.next(); 27 temp[index] = word; 28 index = index + 1; 29 } 30 31 int wordCount = index; 32 33 String[] words = new String[wordCount]; 34 for ( int x = 0; x < wordCount; x = x + 1) { 35 words[x] = temp[x]; 36 } 37 38 return words; 39 } 40 41 private static void writeWordsToFile(String[] words, String outputFileName) throws IOException { 42 PrintWriter printer = getPrintWriter(outputFileName); 43 for ( int x = words.length - 1; x >= 0; x = x - 1 ) { 44 printer.println(words[x]); 45 } 46 47 printer.close(); 48 } 49 50 private static Scanner establishScanner(String inputFileName) throws FileNotFoundException { 51 String fullFileName = createFullFileName(inputFileName); 52 return new Scanner(new File(fullFileName)); 53 } 54 55 private static PrintWriter getPrintWriter(String outputFileName) throws FileNotFoundException { 56 String fullFileName = createFullFileName(outputFileName); 57 PrintWriter printer = new PrintWriter(fullFileName); 58 return printer; 59 } 60 61 private static String createFullFileName(String fileName) { 62 String separator = System.getProperty("file.separator"); 63 String home = System.getProperty("user.home"); 64 String path = home + separator + "CS1Files" + separator + "data" +separator; 65 String fullFileName = path + fileName; 66 return fullFileName; 67 } 68 } 69