Reddit Daily Programmer Challenge 221 [Hard]: Poetry In a Haystack

poetryInAHaystack.java

//Problem statement: https://www.reddit.com/r/dailyprogrammer/comments/3bzipa/20150703_challenge_221_hard_poetry_in_a_haystack/
//English word list file: https://code.google.com/p/dotnetperls-controls/downloads/detail?name=enable1.txt
//text file in which to find the poetry: https://gist.githubusercontent.com/anonymous/c8fb349e9ae4fcb40cb5/raw/05a1ef03626057e1b57b5bbdddc4c2373ce4b465/challenge.txt
import java.io.*;
import java.util.*;

class poetryInAHaystack {
	public static void main(String[] args) {
		long startTime = System.currentTimeMillis();
		File wordList = new File("englishWordList.txt");
		
		HashSet<String> englishDictionary = new HashSet<String>();
		
		String newWord = "";
		try(BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(wordList)))) {
		  while ((newWord = reader.readLine()) != null) {
			englishDictionary.add(newWord);
		  }					 
		} 
		catch (IOException e) {
		  e.printStackTrace();
		}
		
		File haystack = new File("haystack.txt");
		String currentLine = "";
		try(BufferedReader haystackReader = new BufferedReader(new InputStreamReader(new FileInputStream(haystack)))) {
			while ((currentLine = haystackReader.readLine()) != null) {
				if (isEnglish(currentLine, englishDictionary))
					System.out.println(currentLine);
			}
		}
		catch (IOException e) {
		  e.printStackTrace();
		}
		
		long endTime = System.currentTimeMillis();
		System.out.println("Running time: " + (endTime - startTime));
	}
	
	public static boolean isEnglish(String words, HashSet<String> dictionary) {
		String[] wordArray = words.split(" ");
		int englishWords = 0;
		int gibberish = 0;
		for (int i = 0; i < wordArray.length; i++) {
			wordArray[i] = wordArray[i].replaceAll("[^a-zA-Z]","").toLowerCase(); //strip nonalphabetic chars and lowercase to match dictionary
			if (dictionary.contains(wordArray[i]))
				englishWords++;
			else
				gibberish++;
		}
		if (englishWords > gibberish) //probably english
			return true;
		else
			return false;			
	}
}