// This program prompts the user for the name of a file and then counts the
// occurrences of words in the file (ignoring case) and then prints the number
// of times the word the appears.

import java.util.*;
import java.io.*;

public class WordCount {
  // counts # of words
  // count # lines?
  // count # characters?
  // count # tale?
  // count # sh?
  
  // count unique words? set!
  // count the number of times each unique word appears? map!
  public static void main(String[] args) throws FileNotFoundException {
    // open the file
    Scanner console = new Scanner(System.in);
    System.out.print("What is the name of the text file? ");
    String fileName = console.nextLine();
    Scanner input = new Scanner(new File(fileName));

    Map<String, Integer> words = new HashMap<String, Integer>();
    while (input.hasNext()) {
      String word = input.next();
      if (!words.containsKey(word)) {
        words.put(word, 1);
      } else {
        int count = words.get(word); // the count of word
        words.put(word, count + 1);
      }
    }

    System.out.println("Number of UNIQUE words in " + fileName + ": " + words.size());
    
    System.out.println("count of the: " + words.get("the"));
  }
}