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Void pointer
Explain about void pointer and it's real time usage in Business
wael.salman
- Jul 16th, 2008
Pointer to void, or a void pointer, is a special type of pointer that has a great facility of pointing to any data type.Example:int i; float f; int* exf; float* ...
kamal7725
- Nov 30th, 2007
Void pointer are something like you put your stuff like shoes, bag, shirt in your suitcase. and then you just take out all that stuff from suitcase.so we can cast any pointer to void*, and after we ca...
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What is the difference between instance and object?
paritoshgautam
- Jul 22nd, 2010
Suppose there are number of classes and their objects whenever we call a particular object at run time then memory is allocated to that particular object and that is called Instance.
adeelqamar8
- Sep 12th, 2008
When you create a custom type (class) in any language, that class in OOP is called Object and when you create an istance of this class just as we create instance of built-in types e.g. (int a,float b) it is called instance of the object.
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VTable is same for all objects of class. That means it is stored in memory . Can we obtain the address of VTable without creating any object of class?
jwent
- Aug 14th, 2008
Each instance of a class has its own vtable. Its not a predefined place in memory.
wael.salman
- Jul 30th, 2008
When an object is created, a pointer to this vtable, called the virtual table pointer or vpointer, is added as a hidden member of this object (often the first member). The compiler also generates &quo...
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Can we inherit private members of class ?
ProgrmmingBOT
- Nov 21st, 2011
We cannot inherit private members of a class,but you can use friend functions to access private data
sean
- Oct 10th, 2011
If you can declare the sub class in the base class (i.e if you make sub class as inner class in base class), you will be able to access the private members of the base class.
