/C++/Convert letters to uppercase in c++

Convert letters to uppercase in c++

C++ char to uppercase

char choice; 
// it will instantly transform it to upper case without the need
// to convert it to int first
choice = (char)toupper(choice);

Convert letters to uppercase in c++

#include <iostream>
#include <string>
using namespace std;

int main()
{
    char letter;

    cout << "You will be asked to enter a character.";
    cout << "\nIf it is a lowercase character, it will be converted to uppercase.";
    cout << "\n\nEnter a character. Press . to stop: ";

    cin >> letter;

    if(islower(letter))
    {
        letter = isupper(letter);
        cout << letter;
    }

    while(letter != '.')
    {
        cout << "\n\nEnter a character. Press . to stop: ";
        cin >> letter;

        if(islower(letter))
        {
            letter = toupper(letter);
            cout << letter;
        }
    }

    return 0;
}

-1

Source: stackoverflow.com

Similar codes

38 votes168 views6 answers
How to print hello world in c++
C++
0 vote342 views1 answer
Stack overflow c++
C++
0 vote168 views5 answers
Return tuple or null
C++
0 vote132 views1 answer
Prime template c++
C++
2 votes118 views1 answer
How to interface c++ in haxe
C++
0 vote139 views1 answer
C++ check if number is even or odd
C++
-1 vote128 views2 answers
Vector to char array c++
C++
0 vote128 views1 answer
Consell de forces polítiques de Catalunya
C++
0 vote103 views1 answer
Glut keyboard input
C++
11 votes133 views3 answers
Count occurrences of character in string c++
C++