C++ Program to Check Whether a Character is a Vowel, Consonant or Digit

This is a C++ Program to Check if a Character is a Vowel, Consonant or Digit.

Problem Description

The program takes a character and checks if it is a vowel, consonant or a digit.

Problem Solution

1. A character is entered.
2. Using nested if else condition, the character is checked if it is a vowel, consonant or a digit.
3. The result is printed.
4. Exit.

C++ Program/Source code

Here is the source code of C++ Program to Check if a Character is a Vowel, Consonant or Digit. The program output is shown below.

```
#include<iostream>
```
```
#include<ctype.h>
```
```
using namespace std;
```
```
int main ()
```
```
{
```
```
    char ch;
```
```
    cout << "Enter a character : ";
```
```
    cin >> ch;
```
```
    if (isdigit(ch))
```

        cout << "\nThe entered character is a digit.";

```
    else if (isalpha(ch))
```
```
        {
```

            if ((ch == 'A') || (ch == 'E')|| (ch == 'I')|| (ch == 'O')|| (ch == 'U')|| (ch == 'a')|| (ch == 'e')||

            (ch == 'i')|| (ch == 'o')|| (ch == 'u'))

                cout << "\nThe entered character is a vowel.";

```
            else
```

                cout << "\nThe entered character is a consonant.";

```
        }
```
```
        else 
```

            cout << "\nThe entered character is a special character.";

```
    return 0;
```
```
}
```

Program Explanation

1. The user is asked to enter a character and is stored in the variable ‘char’.
2. The character is checked if it is a vowel, consonant or digit using functions under the library ctype.h.
3. If it is neither of the three, then the entered character is a special character,
4. The result is then printed.

Runtime Test Cases

Case 1 :
Enter a character : I
The entered character is a vowel.
 
Case 2 :
Enter a character : /
The entered character is a special character.
 
Case 3 :
Enter a character : 8 
The entered character is a digit.

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