ex4-6.cpp - Example 4-6 When is a constructor called? (1)

// File: ex4-6.cpp - test when a constructor is called

#include <iostream>
using namespace std;

class Z
{
  public:
    Z(void) { cout << "Z's constructor is called now" << endl;}
};

int main(void)
{
  cout << "\n1. Is the constructor called?\n";
  Z z;                          // declare a Z
  cout << "\n2. Is the constructor called?\n";
  Z bunch[5];                   // declare a bunch of Zs
  cout << "\n3. Is the constructor called?\n";
  Z* ptrZ;                      // declare a pointer to Z
  cout << "\n4. Is the constructor called?\n";
  Z* a_new_prtZ = new Z;        // allocate memory for a Z
  cout << "\n5. Is the constructor called?\n";
  Z* threeZ = new Z[3];         // allocate memory for 3 Zs
  cout << "\n6. Is the constructor called?\n";
  Z** ptr_ptr_Z;                // declare a ptr to ptr to a Z
  cout << "\n7. Is the constructor called?\n";
  Z** ptr_ptr_newZ = new Z*;    // allocate memory for a ptr to ptr to a Z
  return 0;
}



CIS27: Programming in C++    Instructor: Joe Bentley