Java tutorial
public class MainClass { public static void main(String[] arg) { String phrase = "The quick brown fox jumped over the lazy dog."; int vowels = 0; for (char ch : phrase.toCharArray()) { ch = Character.toLowerCase(ch); if (ch == 'a' || ch == 'e' || ch == 'i' || ch == 'o' || ch == 'u') { ++vowels; } } System.out.println("The phrase contains " + vowels + " vowels."); } }