Chapter 13.12, Problem 13.22CP

What will the following program display on the screen?

#inc1ude <iostream>

using namespace std;

class Package

{

private:

  int value;

public:

  Package()

  { value = 7; cout ≪ value ≪ endl; }

Package(int v)

  { value = v; cout ≪ value ≪ endl; }

-Package()

{ cout ≪ value ≪ endl; }

};

int main()

{

Package obj1(4);

Package obj2;

Package obj3(2);

return 0;

}