Java Program to Check Whether an Alphabet is Vowel or Consonant

In this program, you'll learn to check whether an alphabet is a vowel or a consonant using if..else and switch statement in Java.

Check whether an alphabet is a vowel or consonant using if..else statement

package com.javaguides.java.tutorial;

/**
 * Java Program to Check Whether an Alphabet is Vowel or Consonant
 * 
 * @author https://www.sourcecodeexamples.net/
 *
 */
public class JavaProgram {
    public static void main(String[] args) {

        char character = 'a';

        if (character == 'a' || character == 'e' || character == 'i' || character == 'o' || character == 'u') {
            System.out.println(character + " is vowel");
        } else {
            System.out.println(character + " is consonant");
        }
    }
}
Output:
a is vowel

Check whether an alphabet is a vowel or consonant using a switch statement

package com.javaguides.java.tutorial;

import java.util.Scanner;

/**
 * Java Program to check Vowel or Consonant using Switch Case
 * 
 * @author https://www.sourcecodeexamples.net/
 *
 */
public class JavaProgram {
    public static void main(String[] args) {

        try (Scanner scanner = new Scanner(System.in)) {
            boolean isVowel = false;
            System.out.println("Enter a character : ");
            char ch = scanner.next().charAt(0);
            scanner.close();
            switch (ch) {
                case 'a':
                case 'e':
                case 'i':
                case 'o':
                case 'u':
                case 'A':
                case 'E':
                case 'I':
                case 'O':
                case 'U':
                    isVowel = true;
            }
            if (isVowel == true) {
                System.out.println(ch + " is  a Vowel");
            } else {
                if ((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z')) {
                    System.out.println(ch + " is a Consonant");
                } else {
                    System.out.println("Input is not an alphabet");
                }
            }
        }
    }
}
Output:
Enter a character : 
J
J is a Consonant

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