Question: Write a method called averageVowels that takes an ArrayList of strings as a parameter and returns the average number of vowel characters in all Strings

Write a method called averageVowels that takes an ArrayList of strings as a parameter and returns the average number of vowel characters in all Strings in the list (you will need to count all the vowels and divide by the number of strings). If your method is passed an empty ArrayList, it should return 0.0.

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