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Empty Class Size
What is the size of an empty class?
deep
- Oct 13th, 2011
What is the output for the below example?
Code- #include iostream
- using namespace std;
- class A
- {
- };
- int main()
- {
- coutsizeof(A)endl;
- system(pause);
- return 0;
- }?
cpfeed
- Oct 29th, 2009
Class A{}most of time sizeof(A) = 1, however, it is a small integer regarding to the complier.
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Default Constructor
What is the Default Constructor?
shreya_sen
- Aug 20th, 2009
A default constructor is a type of constructor which does not have any arguments/parameters.Thus it is executed as the object is created.
VENKATGOPU
- Jun 10th, 2009
The deafual constructor is a constructor. It may be contains arguemnets (default arquemnets) or It may not be contains arquemnetExampleclass A{ public: &...
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For Polymorphism, which technique is a perfect example in C++?1. Function / Operator Overloading2. Virtual Functions3. Template
VENKATGOPU
- Jun 10th, 2009
For Compile time polymorphism, Function/Operator overloading are good exampleFor Run time polymorphism, Virtual Function is good example.
puneet83
- Mar 30th, 2009
Polymorphism in C++ is broadly classified as :1. Compile time Polymorphism eg. Operator/Funtion Overloading2. Run time polymorphism eg. Virtual functions.Compile time polymorphism is compartively fast...
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Why we use Virtual Destructor?
VENKATGOPU
- Jun 10th, 2009
/*without virtaul*/#include <iostream>#include<conio.h>using namespace std;class Base{ public: voi...
agarwalneha1
- Jan 30th, 2009
As far as i understand the key word "virtual" is that when ever we try to use pointers i.e. -> calling a funtion of derived class thru the pointer of base class pointing to the object of ...
