Chapter 14

Question 1

What is deep copy

Answer 1

If an object has pointers to dynamically allocated memory, and the dynamically allocated memory needs to be copied when the original object is copied, then a deep copy is required.

Question 2

What is shallow copy

Answer 2

A shallow copy of an object copies all of the member field values.

Question 3

How constructor called in composition in the relationship of sub and main object

Answer 3

The constructor of sub object always calls first and then constructor of main object called.

Question 4

How destructor called in composition in the relationship of sub and main object

Answer 4

The destructor of main object called always calls first and then destructor of sub object