// template specialization
#include <iostream>

using namespace std;

// class template:
template <class T>
	class mycontainer {
		private:
			T element;
		public:
			// only prototype
			mycontainer (T);
			T increase ();
	};

// class method definition
template <class T>
	mycontainer<T> :: mycontainer(T arg) {
		element = arg;
	}

template <class T>
	T mycontainer<T> :: increase () {
		return ++element;
	}
	
// class template specialization: 
template <> 
	class mycontainer <char> { // specialized for char type
		private:
			char element;
		public:
			mycontainer(char arg) {
				element = arg;
			}
			char uppercase() {
				if ((element >= 'a') && (element <= 'z')) {
					element += 'A'-'a';
					return element;
				}
				return '0';
			}
	};

/*
// class method definition
template <>
	mycontainer<char> :: mycontainer(char arg) {
		element = arg;
	}

template <>
	char mycontainer<char> :: uppercase () {
		if ((element >= 'a') && (element <= 'z')) {
			element += 'A'-'a';
			return element;
		}
	}
*/

// 
int main () {
	mycontainer<int> myint (7);
	mycontainer<char> mychar ('j');
	//
	cout << myint.increase() << endl;
	cout << mychar.uppercase() << endl;
	//
	return 0;
}