publicclass HelloWorld{

    /*C語言的switch只能數字，JAVA比較靈活*/

    publicstaticvoid main(String[]args){

        String saying ="Never put off till tomorrow what you can do today.";

        int aV, eV, iV, oV, uV, other, i;

        aV = eV = iV = oV = uV = other = i =0;

        while(saying.charAt(i)!='.'){

            switch(saying.charAt(i)){

                case'A':

                case'a':

                    aV++;

                    break;

                case'E':

                case'e':

                    eV++;

                    break;

                case'I':

                case'i':

                    iV++;

                    break;

                case'O':

                case'o':

                    oV++;

                    break;

                case'U':

                case'u':

                    uV++;

                    break;

                default:

                    other++;

                    break;

            }

            i++;

        }

        System.out.println("a: "+ aV +", e: "+ eV +", i: "+ iV +", o: "+ oV +", u: "+ uV +", other: "+ other);

    }

}