Exercises

1.What would happen if we compiled the program in Figure 7.19? Why?
Figure 7.19. Exercise 1 (code\strex1.cpp)
class string
{
public:
  string();
  string(const string& Str);
  string(char* p);
  string& operator = (const string& Str);
  ~string();
private:
  short m_Length;
  char* m_Data;
};

int main()
{
  string s;
  string n("Test");
  string x;
  short Length;
  Length = n.m_Length;

  s = n;
  n = "My name is Susan";

  x = n;
  return 0;
}
2.What would happen if we compiled the program in Figure 7.20? Why?
Figure 7.20. Exercise 2 (code\strex2.cpp)
 class string { public: string(const string& Str); string(char* p); string& operator=(const string& Str); ~string(); private: string(); short m_Length; char* m_Data; }; int main() { string s("Test"); string n; n = ...

Get C++: A Dialog Programming with the C++ Standard Library now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.

Start your free trial