public class Strings 
{
    public static void main(String[] args)
    {
         String[] a = {"The", "in", "the", "green", "Hat"};
         int num;

         // Test the second method to count the occurrences of a character
         // in an array of strings
         num = countChars2(a, 'e');
         System.out.println( num);

         // Count the strings longer than 3 in the array
         num = countLarger(a, 3);
         System.out.println( num);

         // Count the strings longer than 3 in the command line arguments
         num = countLarger(args, 3);
         System.out.println( num);
         
         // Count the 'e's in the array
         num = countChars(a, 'e');
         System.out.println( num);
    }

    // Can we simplify this method?
    // A second method to count the occurrences of a character
    // in an array of strings
    static int countChars2(String[] b, char target){
        int ans = 0;

        for (int i = 0; i < b.length; i++){
            String s = b[i];

            int charsInStringS = 0;
            for (int j = 0; j < s.length(); j++){
                if (target == s.charAt(j)){
                   charsInStringS = charsInStringS + 1;
                }
            }
            ans = ans + charsInStringS;
        }
        return ans;
    }

    // A method to count the occurrences of a character in a string
    static int countCharsInString(String s, char target){
        int ans = 0;
        for (int i = 0; i < s.length(); i++){
            if (target == s.charAt(i)){
                ans = ans + 1;
            }
        }
        return ans;
    }

    // A method to count the occurrences of a character
    // in an array of strings
    static int countChars(String[] b, char target){
        int ans = 0;

        for (int i = 0; i < b.length; i++){
            String s = b[i];

            // Call a helper method
            ans = ans + countCharsInString(s, target);
        }
        return ans;
    }

    // A method to count the number of strings longer than a limit
    static int countLarger(String[] b, int limit){
        int ans = 0;

        for (int i = 0; i < b.length; i++){
            if (b[i].length() > limit){
                ans = ans + 1;
            }
        }

        return ans;
    }
}