Abstract class - can we create pointer to abstract class?

yes we can create a pointer to an abstract class, which could be actually pointing to the objects of its derived classes. In this way, a container of base class pointers can be created which can also store derived class objects. Thus dynamic binding will take place for the virtual methods and class specific methods will be called. eg.

Code
 
class Base
{
public:
  virtual void method1();
}
 
class Derived:public Base
{
  void method1()
   {
     cout<<"in derived 1"<<endl;
   }
}
 
class Derived2:public Base
{
  void method1()
{
  cout<<"in derived 2"<<endl;
 
}
}
vector<Base *> v;
v.add(new Derived1());
v.add(new Derived2());
 
v[0]->method1();
v[1]->method1();