hasVowelsl Boolean Return Type | Java Programming Tutorial for Beginners...

public class LoopExercise {

public static void main(String[] args) {

//Counter variable to store the count of vowels and consonant  

        int vCount = 0, cCount = 0;  

          

        //Declare a string  

        String str = "This is a really simple sentence";  

          

        //Converting entire string to lower case to reduce the comparisons  

        str = str.toLowerCase();  

          

        for(int i = 0; i < str.length(); i++) {  

            //Checks whether a character is a vowel  

            if(str.charAt(i) == 'a' || str.charAt(i) == 'e' 

            || str.charAt(i) == 'i' || str.charAt(i) == 'o' 

            || str.charAt(i) == 'u') {  

            //Increments the vowel counter  

                vCount++;  

            }  

            //Checks whether a character is a consonant  

            else if(str.charAt(i) >= 'a' && str.charAt(i)<='z') {    

                //Increments the consonant counter  

                cCount++;  

            }  

        }  

        System.out.println("Number of vowels: " + vCount);  

        System.out.println("Number of consonants: " + cCount);  

  }    

}