assgn9/StudentDB.cpp
void StudentDB::uppercase (string & s) {
	// For all characters in s
	for (int i=0; i < s.size(); i++) {
		// change it to uppercase
		s[i] = toupper(s[i]);
	}
}
/**
 * Function to convert all letters in the string s to uppercase
 * @param s is the string to be converted to uppercase
 */
Function to convert all letters in the string s to uppercase
@param s is the string to be converted to uppercase
Function to convert all letters in the string s to uppercase @param s is the string to be converted to uppercase
void StudentDB::uppercase (string & s) {
	for (int i=0; i < s.size(); i++) {
		s[i] = toupper(s[i]);
	}
}
void StudentDB :: uppercase ( string & s ) { for ( int i = 0 ; i < s . size ( ) ; i ++ ) { s [ i ] = toupper ( s [ i ] ) ; } }
Function to convert all letters in the string s to uppercase
 @param s is the string to be converted to uppercase
Function to convert all letters in the string s to uppercase @param s is the string to be converted to uppercase
// For all characters in s // change it to uppercase