1 /* 2 Creating a code that will take the lyrics of a song and give 3 it back to us reversed word for word. 4 */ 5 6 package arraylistplay; 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.ArrayList; 13 import java.util.Scanner; 14 15 public class ReverseCopy { 16 public static void main(String[] args) throws FileNotFoundException, IOException { 17 String inputFileName = "BurbujasdeAmor.text"; 18 String outputFileName = "BurbujasdeAmorReversed.text"; 19 ArrayList<String> words = readWordsFromFile(inputFileName); 20 writeWordsToFile(words, outputFileName); 21 } 22 23 private static ArrayList<String> readWordsFromFile(String inputFileName) throws FileNotFoundException { 24 // Equate a scanner with the input file 25 Scanner scanner = establishScanner(inputFileName); 26 // Read the words from the file into an oversized array 27 ArrayList<String> words = new ArrayList<>(); 28 int index = 0; 29 while (scanner.hasNext()) { 30 String word = scanner.next(); 31 words.add(word); 32 } 33 // Return the words 34 return words; 35 } 36 37 private static void writeWordsToFile(ArrayList<String> words, String outputFileName) throws IOException { 38 // Equate a printer with an output file 39 PrintWriter printer = getPrintWriter(outputFileName); 40 // Print the words to the file 41 for (int x = words.size() - 1; x >= 0; x = x - 1) { 42 printer.println(words.get(x)); 43 } 44 printer.close(); 45 } 46 47 private static Scanner establishScanner(String inputFileName) throws FileNotFoundException { 48 String fullFileName = createFullFileName(inputFileName); 49 return new Scanner(new File(fullFileName)); 50 } 51 private static PrintWriter getPrintWriter(String outputFileName) throws FileNotFoundException { 52 String fullFileName = createFullFileName(outputFileName); 53 PrintWriter printer = new PrintWriter(fullFileName); 54 return printer; 55 } 56 private static String createFullFileName(String fileName) { 57 String separator = System.getProperty("file.separator"); 58 String home = System.getProperty("user.home"); 59 String path = home + separator + "CS1Files" + separator + "data" + separator; 60 String fullFileName = path + fileName; 61 return fullFileName; 62 } 63 } 64