Vowel Counter Program In Java - Java Program Example

Here we can see a java program to calculate vowel from sentence and word. When we compile this program then compiler take a sentence or word as input and show output after count each vowel alphabet.

Program Code

package com.androidpro.in;



import java.util.Scanner;
import java.util.StringTokenizer;

public class Main {

    public static void main(String[] args) {
        System.out.println(
                " \t\t\t Vowel Counter \n");
        System.out.println("Enter A Sentence ");
        Scanner in = new Scanner(System.in);
        // Enter a String :
        String str=in.nextLine().toLowerCase();
        System.out.print(
                "\nNumber of Vowels :\n "
                        +countVowels(str) + "\n");
    }
    public static int countVowels(String str) {
        int count = 0;
        int len = str.length();
        for(int i=0; i<len; i++) {
            char ch = str.charAt(i);
            if(ch == 'a' ||
                    ch == 'e' ||
                    ch == 'i' ||
                    ch == 'o' ||
                    ch == 'u') {
                count++;
            }
        }
        return count;
    }


}

Output

    Vowel Counter

 

Enter A Sentence

Java is a most popular programming language

 

Number of Vowels :

 15

 

Process finished with exit code 0