Flesch-Kincaid Test (java)

J'ai du mal à exécuter mon code. Le problème semble être au niveau du commutateur (inputText.charAt (x)). Il ne fonctionnera pas et me cause un énorme mal de tête. Je suis un débutant alors quelqu'un peut-il m'aider?

package project_02;

import java.io.*;
import java.util.Scanner;
import javax.swing.JOptionPane;

public class FKReadability {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) 
    {
        double index = 0.0;
        Scanner reader = new Scanner(System.in);
        String inputFileName;
        String inputText = "";
        int totalWords = 0, totalSentences = 0, totalSyllables = 0, OK;
        char syllableList [] = {'a', 'e', 'i', 'o', 'u'};
        boolean loop = true;
        if (loop == true) {
            int i = JOptionPane.showConfirmDialog(null, "Would you like to run a text analysis?", "Start the Flesch-Kincaid Test", JOptionPane.YES_NO_OPTION);
            if (i == JOptionPane.NO_OPTION)
            {
                JOptionPane.showMessageDialog(null, "The program will now exit. GoodBye.");
                System.exit(0);
            }
            if (i == JOptionPane.YES_OPTION)
            {
                System.out.println("What is the file's name you wish to read?");
                inputFileName = reader.next();

                // This will count one string at a time
                String line = "";

                try 
                {
                    FileReader fileReader = new FileReader(inputFileName);

                    BufferedReader bufferedReader = new BufferedReader(fileReader);

                    while((line = bufferedReader.readLine()) != null) {
                        inputText = inputText + line;
                        System.out.println(line);
                    }   

                    // Always close files.
                    bufferedReader.close();         
                    }
                catch(FileNotFoundException ex) {
                    inputText = "fedalitorugexa racecar axegurotiladef is a palindrome!";
                }
                catch(IOException ex) {
                    inputText = "fedalitorugexa racecar axegurotiladef is a palindrome!";               
                }
                // This function counts the word and sentences
                for (int j = 0; j < inputText.length(); j++)
                {
                    switch (inputText.charAt(j))
                    {
                        case ' ':
                            totalWords++;
                        case '.':
                            totalSentences++;
                        case '!':
                            totalSentences++;
                        case '?':
                            totalSentences++;
                        case ';':
                            totalSentences++;
                        case ':':
                            totalSentences++;
                    }
                }
                for (int z = 0; z < syllableList.length; z++)
                {
                    for (int x = 0; x < inputText.length(); x++)
                    {
                        // This is where the trouble begins
                        switch (inputText.charAt(x))
                        {
                            case 'e':
                                if (inputText.charAt(x + 2) == syllableList[z] && inputText.charAt(x + 2) != ' ')
                                    totalSyllables--;
                                else if (inputText.charAt(x + 1) == syllableList[z] && inputText.charAt(x + 1) != ' ')
                                    totalSyllables--;
                                else 
                                    totalSyllables++;
                            case 'E':
                                if (inputText.charAt(x + 2) == syllableList[z] && inputText.charAt(x + 2) != ' ')
                                    totalSyllables--;
                                else if (inputText.charAt(x + 1) == syllableList[z] && inputText.charAt(x + 1) != ' ')
                                    totalSyllables--;
                                else
                                    totalSyllables++;
                        }
                    }
                }
            }
            index = (.39 * totalWords/totalSentences) + (11.8 * totalSyllables / totalWords) - 15.59;
            String gradeLevel = "";
            if (index >= 12)
                gradeLevel = "12 grader/college student";
            if (index < 12 && index >= 11)
                gradeLevel = "11 grader";
            if (index < 11 && index >=10)
                gradeLevel = "10 grader";
            if (index < 10 && index >= 9)
                gradeLevel = "9 grader";
            if (index < 9 && index >= 8)
                gradeLevel = "8 grader";
            if (index < 8 && index >= 7)
                gradeLevel = "7 grader";
            if (index < 7 && index >= 6)
                gradeLevel = "6 grader";
            if (index < 6 && index >=5)
                gradeLevel = "5 grader";
            if (index < 5 && index >= 4)
                gradeLevel = "4 grader";
            if (index < 4 && index >= 8)
                gradeLevel = "3 grader";
            if (index < 3 && index >= 7)
                gradeLevel = "2 grader";
            if (index < 2 && index >= 6)
                gradeLevel = "1 grader";
            if (index < 1)
                gradeLevel = "Not in School";
            JOptionPane.showMessageDialog(null, "For the given text:\n"
                + inputText + "\nThe total number of sentences is: " 
                + totalSentences + "\nThe total number of words is: " 
                + totalWords + "\nThe total number of syllables is: " 
                + totalSyllables 
                + "\n\nThe Flesch-Kincaid Readability Index is: " 
                + index + "\nThe related educational level is: " 
                + gradeLevel);
            i = JOptionPane.showConfirmDialog(null, "Would you like to run another text analysis?", "Start the Flesch-Kincaid Test", JOptionPane.YES_NO_OPTION);
            if (i == JOptionPane.NO_OPTION) {
                loop = false; System.out.println("The program will now exit. Goodbye."); 
                System.exit(0);
            }
        }
    } 
}