TP03E02MainClass

public class PuntoDos {

    int vowels[] = new int[5];
    public static void main(String[] args) {
        new PuntoDos().run();

    }

    void run()
    {
        int n = Helper.forceReadPositiveInteger("¿Cuántas letras cargará?");
        CircularQueue<Character> mainQueue = new CircularQueue<Character>(n);
        chargeMainQueue(n, mainQueue);
        CircularQueue<Character> secondQueue = proccess(mainQueue);
        displayQueueAndVowells(secondQueue);
    }

    void chargeMainQueue(int n, CircularQueue<Character> mainQueue)
    {
        boolean random = Helper.isRandom();

        while(!mainQueue.isFull())
        {
            char newChar = (random) ? Helper.generateRandomLetter() : Helper.forceReadAnLetter("Ingrese una letra");
            if(random) System.out.println("Letra generada (" + newChar +")" ) ;
            mainQueue.enqueue(newChar);
        }
    }

    void displayQueueAndVowells(CircularQueue<Character> queue)
    {
        System.out.println("Vocales:" + (vowels[0]+vowels[1]+vowels[2]+vowels[3]+vowels[4]));
        System.out.println("A:" + vowels[0] + "\nE:" + vowels[1] + "\nI:"+ vowels[2] + "\nO:" + vowels[3] + "\nU:" + vowels[4]);
        System.out.println("Cola resultante:");
        while(!queue.isEmpty())
        {
            char popped = queue.dequeue();
            System.out.print(popped + ((queue.isEmpty() ? "\n" : ",")));
        }

    }

    CircularQueue<Character> proccess(CircularQueue<Character> mainQueue)
    {
        CircularQueue<Character> ret = new CircularQueue<Character>(mainQueue.getSize());
        vowels[0] = vowels[1] = vowels[2] = vowels[3] = vowels[4] = 0;
        while(!mainQueue.isEmpty())
        {
            char popped = mainQueue.dequeue();
            if(Helper.isVowel(popped))
            {
                popped = Character.toUpperCase(popped);
                if(popped == 'A') vowels[0]++;
                else if(popped == 'E') vowels[1]++;
                else if(popped == 'I') vowels[2]++;
                else if(popped == 'O') vowels[3]++;
                else if(popped == 'U') vowels[4]++;
            }
            ret.enqueue(popped);
        }
        return ret;
    }
}