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C-/C++-Quelltext

//Create a new double-sized pointerfield and initialize it to NULL

Entity** newField = new Entity*[m_iEntities*2];
for(int i = 0;i<m_iEntities*2;++i) newField[i] = NULL;
//Copy the old pointers

for(int i = 0;i<m_iEntities;++i) newField[i] = m_entities[i];
//delete the old pointers but don't delete the objects they point to!

delete[] m_entities;
//Update the pointer and double the number of elements

m_entities = newField;
m_iEntities *= 2;
//now we have more space, try again

C-/C++-Quelltext

Derived::~Derived(void)
{
  Base::~Base();
}

C-/C++-Quelltext

class foo
{
  foo(void)
 {
   sprich();
 }
  virtual void sprich(void){out("foo!");}
};

class bar : public foo
{
    void sprich(void){out("bar!");}
};