DIR Return Create A Forum - Home
       ---------------------------------------------------------
       ifaq
  HTML https://ifaq.createaforum.com
       ---------------------------------------------------------
       *****************************************************
   DIR Return to: C/C++ related questions
       *****************************************************
       #Post#: 10--------------------------------------------------
       Shallow copy vs Deep copy
       By: avinash.srin Date: August 25, 2011, 9:46 am
       ---------------------------------------------------------
       What is the difference between shallow copy and deep copy?
       #Post#: 21--------------------------------------------------
       Re: Shallow copy vs Deep copy
       By: avinash.srin Date: August 26, 2011, 6:40 am
       ---------------------------------------------------------
       A shallow copy of an object copies all of the member field
       values. This works well if the fields are values, but may not be
       what you want for fields that point to dynamically allocated
       memory. The pointer will be copied. but the memory it points to
       will not be copied -- the field in both the original object and
       the copy will then point to the same dynamically allocated
       memory, which is not usually what you want. The default copy
       constructor and assignment operator make shallow copies.
       A deep copy copies all fields, and makes copies of dynamically
       allocated memory pointed to by the fields. To make a deep copy,
       you must write a copy constructor and overload the assignment
       operator, otherwise the copy will point to the original, with
       disastrous consequences.
       *****************************************************