//Create a Java program to find Vowels in a String - Using Switch Case

 

import java.util.Scanner;
public class VOWELS_CONST {
    public static void main(String[] args) {
        String s;
        char c;
        int j =0;
        Scanner sc = new Scanner(System.in);
        System.out.println("Enter a string");
        s = sc.nextLine();
        System.out.println("vowels in a string are");
        for(int i=0; i<s.length(); i++){
            c = s.charAt(i);
            switch(c)
            {
                case 'a' :
                case 'e' :
                case 'i' :
                case 'o' :
                case 'u' :
                case 'A' :
                case 'E' :
                case 'I' :
                case 'O' :
                case 'U' : j =1;
                    System.out.println(c);

            }
        }
        if(j==0)
            System.out.println("There are no vowel in string");

    }
}

//output
 Enter a string
 hii i am amit
 vowels in a string are
 i
 i
 i
 a
 a
 i

 Process finished with exit code 0