int main()
{
Person * p = new Student;
Student * s = new Student;
Student * gs = new GradStudent;
Person * ps = new GradStudent;
p->aboutMe();
s->aboutMe();
gs->aboutMe();
ps->aboutMe();
delete p;
delete s;
delete gs;
delete ps;
return 0;
}
int main()
{
Person *p = new Student();
p->aboutMe();
p->addCourse("Math");
delete p;
return 0;
}
int main()
{
//Student *s = new Student();
Person *p = new Student();
//s->aboutMe();
p->aboutMe();
p->addCourse("Advance Operating System");
//delete s;
delete p;
cout << sum(4) << endl;
cout << sum(1,2) << endl;
int *ptr = new int;
*ptr = 3;
cout << ptr << endl;
cout << *ptr << endl;
int a = 7;
int &b = a;
b = 12;
cout << a << endl;
ofstream file;
file.open("testFile.txt");
file << "This line will be written on the first line in the file.\n";
file << "This line will be written on the second line in the file.";
file.close();
int lines;
cout << "How many lines from end : ";
cin >> lines;
getLastKLines("4.4.cpp", lines);
return 0;
}
