public static void main(String args[]) throws IOException {
// creating object of OrderedCollection
		OrderedCollection<String> tool = new OrderedCollection<String>();
		BinarySearchTree t = new BinarySearchTree();
		File directory = new File(directoryName);
		File[] directoryFile = directory.listFiles();

		if (directoryFile == null) {
			System.out.println("This is not directory or does not Exist!");
		} else {
			System.out.print("Reading the directory " + directoryName + "."+ "\n");
			for (int z = 0; z < directoryFile.length; z++) {

				File filename = directoryFile[z];
				System.out.println("Reading file " + filename + ": ");

				// input streamReader and bufferedReader so user can type
				// InputStreamReader istream = new InputStreamReader(System.in);
				// BufferedReader input = new BufferedReader(istream);

				char chr = ' '; // the character in an index[i] of the string
								// read
				int numOfLine = 0;
				int letterCounter = 0;

				// contain token of words that will be going inside the
				// ArrayList
				String word = "";
				String totalWord = "";
				String pieceWord = "";

				try {

					FileInputStream fileStream = new FileInputStream(filename);

					// Get the object of DataInputStream
					DataInputStream in = new DataInputStream(fileStream);

					BufferedReader reader = new BufferedReader(
							new InputStreamReader(in));

					// after reading the file's text with readLine
					while ((word = reader.readLine()) != null) {
						// by adding spaces after each line ends, it will be
						// useful soon
						word = word + " ";
						totalWord = totalWord + word;
						numOfLine++;
					}

					// Close the input stream
					in.close();
				}

				catch (Exception e) {
					// Catch exception if any
					System.err.println("Error: " + e.getMessage());
				}

				// counts up the total letter inside the string(which contains
				// the file)
				letterCounter = totalWord.length();

				int wordCounter = 0;

				// loop until end of the letter(dynamically)
				for (int i = 0; i < letterCounter; i++) {
					wordCounter++;

					chr = totalWord.charAt(i);

					// if characters inside the string is A-Z or a-z or 0-9,
					// place the
					// word inside pieceWord
					if (((totalWord.charAt(i) >= 97) && (totalWord.charAt(i) <= 122))
							|| ((totalWord.charAt(i) >= 65) && (totalWord.charAt(i) <= 90))
							|| ((totalWord.charAt(i) >= 48) && (totalWord.charAt(i) <= 57)))

					{
						pieceWord = pieceWord + totalWord.charAt(i);
					}

					// if you see something that is not letter or digit come in here and
					// add the word
					else {
						// I saw on the output.txt file on website, everything was lowercase
						pieceWord = pieceWord.toLowerCase();
						// no repeats in arrayList and no token should be less than 1 in length
						// that fixed a bug where it would add an empty string every time
						if (pieceWord.length() >= 1)
							t.insert(pieceWord,filename.getName());


						// reset my "token" to empty for next "token" to make
						pieceWord = "";

					}
				}// end for loop
			}// end for loop
		}// end else statement

				// try to print sorted list out to file
				String printToFile = "cs202WordSearchOutput.txt";

				FileOutputStream toFile;
				try {
					// Open an output stream
					toFile = new FileOutputStream(printToFile);

					System.out.println("Success. " + printToFile + ", was written.");

					// Print a line of text
					new PrintStream(toFile).println(t.find(searchWord));

					// Close our output stream
					toFile.close();
				}

				// catch print file errors
				catch (IOException e) {
					System.out.println("Error: " + e.getMessage() + "\nYour file was not written.");
				}

	}// end main

}// end class