The following text was written to the standard output stream when the ReverseCopy program was executed from IntelliJ.
/*
* Program featuring straight up arrays and file IO to read and reverse copy a lyric
*/
package arrayplay;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.Scanner;
public class ReverseCopy {
public static void main(String[] args) throws FileNotFoundException {
String inputFileName = "Thunderclouds.text";
String outputFileName ="ThundercloudsReversed.text";
String[] words = readWordsFromFile(inputFileName);
writeWordsToFile(words, outputFileName);
}
private static final int LIMIT = 1000;
private static String[] readWordsFromFile(String inputFileName) throws FileNotFoundException {
//Equate a scanner with the input file
Scanner scanner = establishScanner(inputFileName);
//Read the words from the file into an oversized array
String[] temp = new String[LIMIT];
int index = 0;
while (scanner.hasNext()) {
String word = scanner.next();
temp[index] = word;
index = index + 1;
}
int wordCount = index;
//Transfer the words to a perfectly sized array
String[] words = new String[wordCount];
for (int x = 0; x < wordCount; x = x + 1) {
words[x] = temp[x];
}
//Return the words
return words;
}
private static void writeWordsToFile(String[] words, String outputFileName) throws FileNotFoundException {
//Equate a printer with an output file
PrintWriter printer = getPrintWriter(outputFileName);
//Print the words to the file
for ( int x = words.length-1; x>= 0; x = x-1) {
printer.println(words[x]);
}
printer.close();
}
private static Scanner establishScanner(String inputFileName) throws FileNotFoundException {
String fullFileName = createFullFileName(inputFileName);
return new Scanner(new File(fullFileName));
}
private static PrintWriter getPrintWriter(String outputFileName) throws FileNotFoundException{
String fullFileName = createFullFileName(outputFileName);
PrintWriter printer = new PrintWriter(fullFileName);
return printer;
}
private static String createFullFileName(String fileName) {
String separator = System.getProperty("file.separator");
String home = System.getProperty("user.home");
String path = home + separator + "CS1Files" + separator + "data" + separator;
String fullFileName = path + fileName;
return fullFileName;
}
}