findVowels.java

//Question: Find number of vowels in a string.
package strings;
import java.util.Scanner;
public class findVowels {
    public static void main(String[] args) {
        String s;
        System.out.print("Enter the string: ");
        Scanner sc=new Scanner(System.in);
        s=sc.nextLine();
        int count=0;
        for(int i=0; i < s.length(); i++){
            char ch = s.charAt(i);
            if (isVowel(ch)==true) {
                count++;
            }
        }
        System.out.println("Number of vowels are: " + count);
    }
    public static boolean isVowel(char ch){
        if(ch=='a' || ch=='A') return true;
        if(ch=='e' || ch=='E') return true;
        if(ch=='i' || ch=='I') return true;
        if(ch=='o' || ch=='O') return true;
        if(ch=='u' || ch=='U') return true;
        else return false;
    }
}