Exercise #3: write a Java program that prompts the user to enter a sentence. The program has to find the print: a. the position of vowels in the sentence. b. the number of vowels in the sentence (A, a, U, u, E, e, O, o, I, i) c. the number of characters as numbers or special characters (other than English letters a.z, A..Z). Hint: remember to ignore the spaces. Sample input-output: Enter the sentnse: UAEU is the university of the future #2018 The locations of vowels are: 0 2 3 5 10 12 14 16 19 23 28 31 33 35 The number of vowels is: 15 The number of characters as numbers or special characters is: 5