1. Create an array of five Strings containing the first names of people in your family. Write a program that counts and displays the number of vowels in the Strings that you entered, without regard to case (uppercase versus lowercase letters). The class name is Vowels. 2. Write a program containing an array of 15 double values. Include a method to sort the values in ascending order. Display the results. The class name is SortDouble. 3. Store 40 characters in an array, such as 1234%$#@UHGF... Write a program that produces a count of how many of the characters are letters in the English alphabet, and how many of the characters are not letters.