1. By default, files are opened in binary mode.

2. When passing a file stream object to a function, you should always pass it by reference.

3. A destructor function can have zero to many parameters.

4. Only one destructor function may be defined for a class.

5. You must declare all data members of a class before you declare member functions.

6. You must use the private access specification for all data members of a class.

7. When a class declares an entire class as its friend, the friendship status is reciprocal. That is, each class's member functions have free access to the other's private members.

8. When you overload an operator, you can change the operator's original meaning to something entirely different.

9. By default, when an object is assigned to another object, each member of one object is copied to its counterpart in the other object.

10. You may overload any C++ operator and you may use the operator function to define non-standard operations, such as @ or ^.