Student class (Constructor, Distructor)

#include<iostream>
using namespace std;
class Student{
private:
    int *marks;
    int numOfCourse;
public:
    Student():Student(1){}
    Student(int numOfCourse){
        this->numOfCourse = numOfCourse;
        this->marks = new int[this->numOfCourse];

        this->takeMarks();
    }
    void takeMarks(){
        cout<<"Enter "<<this->numOfCourse << "  marks for this student\n";
        for(int i=0; i<this->numOfCourse; i++)
            cin>>this->marks[i];
    }

    void showMarks(){
     for(int i=0; i<this->numOfCourse; i++)
        cout<<this->marks[i]<<"  ";
     cout<<endl;
    }
    ~Student(){
      delete [] this->marks;
    }
};


int main(){
Student *s1 = new Student;
Student s2;
s2 = *s1;
delete s1;

s2.showMarks();

return 0;
}