#include
using std::cout;
using std::endl;
#include
using std::islower;
using std::isupper;
using std::tolower;
using std::toupper;
int main()
{
cout << "\nu converted to uppercase is "
<< static_cast< char >( toupper( 'u' ) )
<< "\n7 converted to uppercase is "
<< static_cast< char >( toupper( '7' ) )
<< "\n$ converted to uppercase is "
<< static_cast< char >( toupper( '$' ) )
<< "\nL converted to lowercase is "
<< static_cast< char >( tolower( 'L' ) ) << endl;
return 0;
}
u converted to uppercase is U
7 converted to uppercase is 7
$ converted to uppercase is $
L converted to lowercase is l