Convert a number to a char then convert to upper case and lower case : Char « Data Type « C++

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C++ » Data Type » Char Screenshots  Convert a number to a char then convert to upper case and lower case    #include <iostream> using namespace std; int main() {   char a,u,l;   int x;   cout << "Please enter a number \n";   cin >> a;   x = atoi(&a);   cout << "The character " << a << " is converted to the integer " << x << "\n";   cout << "Please enter a character \n";   cin >> a;   u = toupper(a);   l = tolower(a);     cout << a << " in upper case is " << u << " in lower case is " << l;   return 0; }            Related examples in the same category 1. Wrap char pointer to a String class 2. Read string and output its length 3. Declare a stack class for characters. 4. Overload string reversal function. 5. Enters a character and outputs its octal, decimal, and hexadecimal code. 6. cin and cout work with char array 7. Declares str just before it is needed 8. Using C strings: cin,=.sync, getline 9. Using functions islower, isupper, tolower, toupper 10. Using functions isdigit, isalpha, isalnum, and isxdigit 11. Using functions isspace, iscntrl, ispunct, isprint, isgraph