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 13 String inputFileName = "starboy.text"; 14 String outputFileName = "starboyReverse.text"; 15 String[] words = readWordsFromFile(inputFileName); 16 writeWordstoFile(words,outputFileName); 17 } 18 19 private static final int LIMIT = 1000; 20 21 private static String[] readWordsFromFile(String inputFileName) throws FileNotFoundException { 22 23 Scanner scanner = establishScanner(inputFileName); 24 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 34 String[] words = new String[wordCount]; 35 for ( int x = 0; x < wordCount; x = x + 1 ) { 36 words[x] = temp[x]; 37 } 38 39 return words; 40 } 41 42 private static void writeWordstoFile(String[] words, String outputFileName) throws IOException { 43 44 PrintWriter printer = getPrintWriter(outputFileName); 45 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 64 65 private static String createFullFileName(String fileName) { 66 String separator = System.getProperty("file.separator"); 67 String home = System.getProperty("user.home"); 68 String path = home + separator + "CS1Files" + separator + "data" + separator; 69 String fullFileName = path + fileName; 70 return fullFileName; 71 } 72 73 } 74