Java tutorial
import java.text.CharacterIterator; import java.text.StringCharacterIterator; public class Main { public static void main(String[] args) { String text = "The quick brown fox jumps over the lazy dog"; CharacterIterator it = new StringCharacterIterator(text); int vowels = 0; int consonants = 0; for (char ch = it.first(); ch != CharacterIterator.DONE; ch = it.next()) { if (ch == 'a' || ch == 'e' || ch == 'i' || ch == 'o' || ch == 'u') { vowels = vowels + 1; } else if (ch != ' ') { consonants = consonants + 1; } } System.out.println("Number of vowels: " + vowels); System.out.println("Number of consonants: " + consonants); } }