(PCC)::[How-to-write-Java-Program-to-Count-the-Number-of-Vowels-and-Consonants-in-a-Sentence]::[java]
//Example: Program to count vowels, consonants, digits and spaces public class Count { public static void main(String[] args) { String line = "This website is aw3som3."; int vowels = 0, consonants = 0, digits = 0, spaces = 0; line = line.toLowerCase(); for(int i = 0; i < line.length(); ++i) { char ch = line.charAt(i); if(ch == 'a' || ch == 'e' || ch == 'i' || ch == 'o' || ch == 'u') { ++vowels; } else if((ch >= 'a'&& ch <= 'z')) { ++consonants; } else if( ch >= '0' && ch <= '9') { ++digits; } else if (ch ==' ') { ++spaces; } } System.out.println("Vowels: " + vowels); System.out.println("Consonants: " + consonants); System.out.println("Digits: " + digits); System.out.println("White spaces: " + spaces); } }