Check Vowel in Java

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Q. Write a Java program to check a character is vowel or not

import java.util.Scanner;

public class VowelCheck {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        // Ask user to enter a character
        System.out.print("Enter a character: ");
        char ch = scanner.next().toLowerCase().charAt(0); // Read and convert to lowercase

        // Check if the character is a vowel
        if (ch == 'a' || ch == 'e' || ch == 'i' || ch == 'o' || ch == 'u') {
            System.out.println(ch + " is a vowel.");
        } else if ((ch >= 'a' && ch <= 'z')) {
            System.out.println(ch + " is a consonant.");
        } else {
            System.out.println("Invalid input! Please enter an alphabet character.");
        }

        scanner.close();
    }
}
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Q. Write an algorithm to check a character is vowel or not

1. Start
2. Read a character and store it in ch
3. Convert ch to lowercase
4. If ch is equal to 'a', 'e', 'i', 'o', or 'u', then
→ Print "It is a vowel"
5. Else if ch is a letter from 'a' to 'z', then
→ Print "It is a consonant"
6. Else
→ Print "Invalid input"
7. End
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