int countVowels(const char* str) {
int i = 0;
int numVowels = 0;
while(str[i] != '\0') {
switch(str[i]) {
case 'a':
case 'e':
case 'i':
case 'o':
case 'u':
++numVowels;
}
++i;
}
return numVowels;
}
static int countVowels(String str) {
int numVowels = 0;
foreach(char ch in str) {
switch (ch) {
case 'a':
case 'e':
case 'i':
case 'o':
case 'u':
++numVowels;
break;
}
}
return numVowels;
}