MarkdownとSyntaxHighlighterを併用する。 ref: http://qiita.com/budougumi0617@github/items/28eee77bec22991651fc

foo.cpp

#include "Foo.h"
public class Foo{
  int dammyInt;
  double dammyDouble;

  public void Foo(){
     dammyInt = 0;
     dammyDouble = 0.;
  }

  public void addInt(){
    dammyInt++;
  }
}