May 2012
Intermediate to advanced
679 pages
16h 56m
English
Content preview from Object Oriented Programming with C++, Second Edition
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12.13 ADVANTAGES AND DISADVANTAGES OF POINTERS
Every useful entity has both advantages and disadvantages. Please note the following points.
- Dangling pointers, mostly, create difficult to diagnose errors.
- Pointers lead to memory leaks.
- For parameter passing with reference, in C language using pointers were compulsory. Now C++ has new construct which is far superior.
- Majority of string handling operations depend on pointer to char.
- Pointers make developing/coding of certain Abstract Data Types (e.g. self referential structures) very simple.
- Searching/sorting of large size data is very efficient.
- Polymorphic behaviour of objects is possible only with pointers.
Box 12.2 Dos and Don'ts of Pointers
- Do not use pointer for simple/trivial tasks. ...
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