template2 질문입니다.

#include <iostream>
#include <cstdlib>

using std::cout;
using std::endl;
using std::cerr;

template< typename T > class Stack
{
    int m_size;
    int m_top;
    T   *m_data;
    
public :
    explicit Stack( int n = 10 );
    ~Stack();
    void push( const T &item );
    const T& pop();
    const T& top() const;
    bool isEmpty() const 
    {
	return !( m_top >= 0 );
    }
    bool isFull() const
    {
	return !( m_top < m_size );
    }
};

template< typename T > inline Stack< T >::Stack( int n )
    : m_top( -1 ), m_size( n ), m_data( new T[n] )
{

}

template< typename T > inline Stack< T >::~Stack()
{
    delete []m_data;
}

template< typename T > void Stack< T >::push( const T& item )
{
    if ( !isFull() )
	      m_data[++m_top] = item;
    else
	{
	    cerr << "Stack< T >::push():스택 오버플로우" << endl;
	    exit( 1 );
	}
}

template< typename T > inline const T& Stack< T >::pop()
{
    if ( !isEmpty() )
	       return m_data[m_top--];
    else
	{
	    cerr << "Stack< T >::pop(): 스택 언더프로우" << endl;
	    exit( 1 );
	    return m_data[m_top];
	}
}

template < typename T > inline const T& Stack< T >::top() const
{
    return m_data[m_top];
}

int main ( void )
{
    const int N = 20;
    Stack< char* > book( N );
    
    static char *title[N] =
	{
	    "Standard C++ 정복",
	    "The C++ Programming Language",
	    "The Annotated C++ Reference Manual",
	    "Advanced C++: Programing Styles nad Idioms",
	    "C++ Programming and Fundamental Concepts",
	    "C+C++ Programming With Objects in C and C++",
	    "C++ FAQs",
	    "C++ for C Programmers",
	    "C++ Inside & out",
	    "C++ Tutorial",
	    ""
	};
    
    static char *author[N] =
	{
	    "Microsoft",
	    "Eckel",
	    "Ira Pohl",
	    "Marshall P. Cline, Greg A. Lomow",
	    "Allen I. Holub",
	    "Arthur R. Anderson, William J.Heinze",
	    "James 0. Coplien",
	    "Margaret A. Ellis, Bjarne Stroustrup",
	    "Bjarne Stroustrup",
	    "Getfield Ahn",
	    ""
	};
    
    int i;
    i = 0;
    while ( *title[i] )
	        book.push( title[i++] );
    
    i = 0;
    while ( !book.isEmpty() )
  	cout << i << ' ' << author[i++] << ":\n\t" << book.pop() << endl;
    
    return 0;
}

    

다음과 같은 warnning 납니다.

tclass1.cpp: In constructor `Stack<T>::Stack(int) [with T = char*]':
tclass1.cpp:72:   instantiated from here
tclass1.cpp:11: warning: member initializers for `int Stack<char*>::m_top'
tclass1.cpp:10: warning:   and `int Stack<char*>::m_size'
tclass1.cpp:32: warning:   will be re-ordered to match declaration order