Vowels.java

public class Vowels {
  public static void main(String [ ] args) {
    int pIndex, vIndex, count;
    char[] vowels = { 'a', 'e', 'i', 'o', 'u' };
    String phrase = "phrase";

    count = 0;
    for(pIndex = 0; pIndex < phrase.length(); pIndex++) {
      for(vIndex = 0; vIndex < 5; vIndex++) {
        if (phrase.charAt(pIndex) == vowels[vIndex]) {
          count++;
          break;
        }
      }
    }

    System.out.println(count);
  }
}