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Questions tagged virtual-functions

30 questions

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286
votes
4
answers

Difference between virtual and abstract methods

c# oop virtual-functions abstract-function
asked 2013-02-06T12:09:17.807
14
votes
2
answers

How to display the VTABLE of a C++ class through GCC?

c++ gcc virtual-functions vtable
asked 2012-01-22T07:04:10.897
9
votes
2
answers

How do I suppress C++ vtable generation for pure virtual classes using G++?

c++ gcc g++ virtual-functions vtable
asked 2011-12-03T22:17:04.173
18
votes
2
answers

Implementing the same method signature from two 'interfaces'

c++ multiple-inheritance virtual-functions overriding
asked 2011-10-24T08:27:34.897
11
votes
3
answers

When does the vptr (pointing to vtable) get initialized for a polymorphic class?

c++ constructor virtual-functions overriding vptr
asked 2011-07-06T05:19:38.987
55
votes
3
answers

What is the first (int (*)(...))0 vtable entry in the output of g++ -fdump-class-hierarchy?

c++ gcc virtual-functions vtable
asked 2011-04-19T07:08:53.940
30
votes
3
answers

C++: Pointer to monomorphic version of virtual member function?

c++ virtual-functions pointer-to-member
asked 2011-02-21T10:08:55.840
16
votes
4
answers

C++ calling completely wrong (virtual) method of an object

c++ overloading virtual-functions
asked 2011-01-25T21:20:10.477
94
votes
3
answers

C++ virtual function return type

c++ inheritance virtual-functions overriding return-type
asked 2011-01-12T03:35:54.103
51
votes
11
answers

Alternative virtual function calls implementations?

c++ virtual-functions vtable vptr
asked 2010-12-04T05:02:33.647
11
votes
5
answers

Why does Java's invokevirtual need to resolve the called method's compile-time class?

java jvm methods virtual-functions
asked 2010-04-01T21:22:55.847
65
votes
4
answers

C++ header file and function declaration ending in "= 0"

c++ virtual-functions
asked 2010-03-26T12:32:16.233
399
votes
16
answers

Can a class member function template be virtual?

c++ templates virtual-functions function-templates
asked 2010-03-01T06:26:35.247
40
votes
9
answers

Can you cache a virtual function lookup in C++?

c++ optimization caching abstract-class virtual-functions
asked 2010-01-26T18:43:41.897
29
votes
6
answers

C++ object size with virtual methods

c++ virtual-functions objectsize
asked 2010-01-10T21:33:02.037
34
votes
8
answers

Virtual Methods or Function Pointers

c++ function-pointers virtual-functions
asked 2009-12-23T20:17:52.283
27
votes
6
answers

C++ Style: Prefixing virtual keyword to overridden methods

c++ methods coding-style virtual-functions
asked 2009-09-03T01:10:13.707
24
votes
3
answers

Correct Implementation of Virtual Functions in PHP?

php oop polymorphism virtual-functions
asked 2009-08-28T22:14:35.317
9
votes
8
answers

How to Avoid Calling Viritual Methods from a Base Constructor

c# inheritance constructor virtual-functions
asked 2009-07-20T19:04:02.480
61
votes
10
answers

Practical usage of virtual functions in c#

c# virtual-functions
asked 2009-06-30T06:54:35.637
21
votes
3
answers

Public virtual function derived private in C++

c++ inheritance virtual-functions
asked 2009-06-30T04:28:02.587
355
votes
12
answers

Why is a call to a virtual member function in the constructor a non-virtual call?

c++ constructor overriding virtual-functions member-functions
asked 2009-06-07T15:46:28.107
21
votes
6
answers

Why all java methods are implicitly overridable?

java c++ virtual-functions
asked 2009-05-07T19:56:51.200
110
votes
10
answers

Why C# implements methods as non-virtual by default?

c# java .net virtual-functions
asked 2009-05-02T14:28:05.087
317
votes
23
answers

Why do we not have a virtual constructor in C++?

c++ constructor virtual-functions
asked 2009-04-09T08:46:31.337
19
votes
6
answers

Multiple inheritance + virtual function mess

c++ multiple-inheritance virtual-functions diamond-problem
asked 2009-03-05T19:59:13.950
40
votes
9
answers

Template or abstract base class?

c++ design-patterns templates abstract-class virtual-functions
asked 2009-03-02T14:49:41.240
155
votes
16
answers

Virtual functions and performance - C++

c++ performance optimization virtual-functions
asked 2009-01-16T08:22:36.310
27
votes
7
answers

Is there any reason not to make a member function virtual?

c++ oop virtual-functions
asked 2008-11-15T03:57:11.887
143
votes
12
answers

How are virtual functions and vtable implemented?

c++ polymorphism virtual-functions vtable
asked 2008-09-19T03:29:44.873