public class charFrequency {

  public static void main(String[] args) throws IOException {

       File file1 = new File("terjevigen.txt");
       BufferedReader in = new BufferedReader (new FileReader (file1));
           System.out.println("Character Frequency");

        int nextChar;
        char ch;

        int[] count = new int[26];

        while ((nextChar = in.read()) != -1) {
          ch = ((char) nextChar);
          ch = Character.toLowerCase(ch);
          if (ch >= 'a' && ch <= 'z')
          count[ch - 'a']++;
        }


        for (int i = 0; i < 26; i++) {
          System.out.printf("%c = %d\n", i + 'A', count[i]);

        }



in.close();

}

}