Proposed exercise
Create a program to ask the user for a symbol and answer if is an uppercase vowel, a lowercase vowel, a digit or any other symbol, using "if".
Output
Solution
using System;
public class Symbols {
public static void Main() {
char symbol;
Console.Write("insert anything: ");
symbol = Convert.ToChar(Console.ReadLine());
if(symbol>='0' && symbol <='9')
Console.WriteLine("it's a number");
else if ((symbol=='a') || (symbol=='e') || (symbol=='i')
|| (symbol=='o') || (symbol=='u'))
Console.WriteLine("it's a lowercase vowel");
else if ((symbol=='A') || (symbol=='E') || (symbol=='I')
|| (symbol=='O') || (symbol=='U'))
Console.WriteLine("it's a upercase vowel");
else
Console.WriteLine("it's a symbol");
}
}