Karakter metódusok

public class charMethods {
    public static void main(String [] args){

        char [] betuk = {'a','e','m','a','z','i','u','u','u','i','o'};

        //System.out.println(elofordul("uzi", betuk));

        //howMany(betuk);   // 6

        System.out.println(tavolsag('a','i',betuk));

    }

    /*static void howMany(char [] chars){
        char [] tmp = new char [chars.length];
        int n=0;
        for(int i=0; i<chars.length; i++)
            for(int j=0; j<tmp.length; j++)
                if(tmp[j] == chars[i]) {
                    break;
                }
                else {
                    tmp[n++] = chars[i];
                    break;
                }
        for(int i=0; i<tmp.length; i++)
            System.out.println(tmp[i] + ": ");
    }*/

    /*static boolean elofordul(String szo, char[] chars){
        boolean tmp [] = new boolean [szo.length()];
        int n=0;
        boolean ered = false;
        for(int i=0; i<chars.length; i++)
            for(int j=0; j<szo.length(); j++)
                if( chars[i]==szo.charAt(j) )
                    tmp[n++] = true;
        for(int i=0; i<tmp.length; i++)
            if(tmp[i] == false)
                ered = false;
        return ered;
    }*/

    static int tavolsag(char a, char b, char [] array){
        int aHely = 0;
        int bHely = 0;
        for(int i=0; i<array.length; i++)
            if(array[i] == a){
                aHely = i;
                break;
            }
        for(int i=aHely; i<array.length; i++)
            if(array[i] == b){
                bHely = i;
                break;
            }
        return bHely-aHely;
    }
}