Vermischtes

#include <iostream>using namespace std;template<class T> class Vektor{	private:		T *data;		unsigned int groesse;	public:		Vektor(unsigned int Groesse);		Vektor(Vektor<T> const& v);		Vektor(){};		void print();		friend ostream& operator<<(ostream& o, const Vektor<T>& other);		Vektor<T> operator=(Vektor<T> const& v);		Vektor<T> operator+(Vektor<T> const& v) const ;		Vektor(unsigned int groesse, T* daten);		T const& operator[](unsigned int const index) const ;		T & operator[](unsigned int const index) ;		unsigned int Groesse() const   { return groesse; };};template <class T>ostream& operator<<(ostream& o, const Vektor<T>& other){             for(int i=0; i<other.groesse; i++)        {                o << other.data[i] << endl;        }        return o;}template <class T>Vektor<T> :: Vektor(Vektor<T> const& v){	data = v.data;	groesse = v.groesse;}template<class T> void  Vektor<T> :: print(){	for(int i=0; i<groesse; i++)        {                cout << data[i] << endl;        }}template<class T> Vektor<T> :: Vektor(unsigned int Groesse, T* daten){ 	data = new T[Groesse];	groesse = Groesse;	for(unsigned int i = 0; i < groesse; i++)		data[i]=daten[i]; }template<class T>Vektor<T>::Vektor(unsigned int Groesse){	groesse = Groesse;	data = new T[Groesse];}template<class T>Vektor<T> Vektor<T>::operator+(Vektor<T> const& v) const{	if (groesse!=v.groesse)		throw "falsche Laenge"; 		Vektor<T> Ergebnis(groesse);	for (unsigned int position=0;position<groesse; position++)		Ergebnis[position] = data[position]+v[position];		return Ergebnis;}template <class T>Vektor<T> Vektor<T>::operator=(Vektor<T> const& v){	if (groesse!=v.groesse)		throw "falsche Laenge"; 		this->data=v.data;	this->groesse = v.groesse;		return *this;}template<class T>T const& Vektor<T>::operator[](unsigned int const index) const{ 	return data[index]; }template<class T>T & Vektor<T>::operator[](unsigned int const index){ 	return data[index]; }