12VowelCount.java

/*
 * Description: Using the Java language, have the function  VowelCount(str)
 * take the str string parameter being passed and return the number of vowels
 * the string contains (ie. "All cows eat grass" would return 5). Do not count
 * y as a vowel for this challenge. 
 */

import java.util.*; 
import java.io.*;

class Function {  
  String VowelCount(String str) { 
	str = str.toLowerCase();
    Integer count = 0;
    for(int i = 0; i < str.length(); i++) {
    	if(str.charAt(i) == 'a' || str.charAt(i) == 'e' || str.charAt(i) == 'i' ||
    			str.charAt(i) == 'o' || str.charAt(i) == 'u') {
    		count++;
    	}
    }
       str = count.toString();
       
    return str;
    
  } 
  
  public static void main (String[] args) {  
    // keep this function call here     
    Scanner  s = new Scanner(System.in);
    Function c = new Function();
    System.out.print(c.VowelCount(s.nextLine())); 
  }   
  
}