Vowel.java

import java.util.*;
class Vowel
{
	public static void main(String [] arg)
	{
	Scanner vowe=new Scanner(System.in);
	System.out.print("write char to know that it is vowel:");
	String constant=vowe.next();
	switch(constant)
	{
		case "a" :
		System.out.println("vowel");
		break;
		case "e" :
		System.out.println("vowel");
		break;
		case "i" :
		System.out.println("vowel");
		break;
		case "o" :
		System.out.println("vowel");
		break;
		case "u" :
		System.out.println("vowel");
		break;
		case "A" :
		System.out.println("vowel");
		break;
		case "E" :
		System.out.println("vowel");
		break;
		case "I" :
		System.out.println("vowel");
		break;
		case "O" :
		System.out.println("vowel");
		break;
		case "U" :
		System.out.println("vowel");
		break;
		default:
		System.out.println("Constant");
		
	}
	
	}

}