Can const member variable of class be initialized in a method instead of constructor?

Question

I have a class and want to create a const int variable but the value for the variable is not available to me in constructor of the class.

In initialization method of the

Answer 1

A small example:

class A
{
public:
  A():a(initial_value_of_a()) {}

private:
  const int a;
  int initial_value_of_a() { return 5; /* some computation here */ };
};