Go back to Richel Bilderbeek's homepage.

Go back to Richel Bilderbeek's C++ page.

 

 

 

 

 

(C++) VirtualExample1

 

Technical facts

 

Operating system(s) or programming environment(s)

IDE(s):

Project type:

C++ standard:

Compiler(s):

Libraries used:

 

 

 

 

 

Qt project file: ./CppVirtualExample1/CppVirtualExample1.pro

 

TEMPLATE = app
CONFIG += console
CONFIG -= app_bundle
CONFIG -= qt
QMAKE_CXXFLAGS += -std=c++11 -Wall -Wextra -Weffc++ -Werror
SOURCES += main.cpp

 

 

 

 

 

./CppVirtualExample1/main.cpp

 

#include <iostream>

struct Human
{
  virtual ~Human() {}
  virtual void SayHello() const = 0;
};

struct SilentHuman : public Human
{
  void SayHello() const { std::cout << "...hello...\n"; }
};

struct LoudHuman : public Human
{
  void SayHello() const { std::cout << "HELLO!\n"; }
};

int main()
{
  LoudHuman l;
  l.SayHello();

  SilentHuman s;
  s.SayHello();
}

/* Screen output

HELLO!
...hello...
Press <RETURN> to close this window...

*/

 

 

 

 

 

Go back to Richel Bilderbeek's C++ page.

Go back to Richel Bilderbeek's homepage.

 

Valid XHTML 1.0 Strict

This page has been created by the tool CodeToHtml