Q. Write a program to print first letters of each word in a string if it is a vowel. Explanation: Let us consider a string "Ellen is my cousin's friend" In the above string 'E' 'i' are first letters of string and it is vowel so it should print the two letters. Program: import java.util.Scanner; public class Main{ public static void main(String[] args) { Scanner sc=new Scanner(System.in); String st=sc.nextLine(); String Words[]=st.split(" "); for(int i=0;i<Words.length;i++){ String s=Words[i]; s=s.toLowerCase(); if(s.charAt(0)=='a'|| s.charAt(0)=='e'|| s.charAt(0)=='i'|| s.charAt(0)=='o'|| s.charAt(0)=='u'){ System.out.println(s.charAt(0)); } } } }