编辑器
public class Main { public static void main(String[] args) { String text = "Hello Java"; int count = 0; for (char c : text.toLowerCase().toCharArray()) { if (c == 'a' || c == 'e' || c == 'i' || c == 'o' || c == 'u') { count++; } } System.out.println("Vowels: " + count); } }
Vowels: 4
编辑器