Design Patterns-factory patterns

Source: Internet
Author: User

Design Patterns-factory patterns

1. Abstract base class inheritance is used to construct the entire system based on the subordination between the abstract base class and the abstract base class to achieve a relatively clear class hierarchy.

2. Maintain scalability and minimum maintenance costs for the entire system.

Have I made it clear? Above code, ^ _ ^.

//////////////////////////////////////// ///////////////////////

Class Missile
{
Public:
Vitrual ~ Missiles ();

Protected:
Missiles ();
}
//------------------------------------------------------------
Class ground-to-air missile: Public Missile
{
Public:
Ground-to-air missile ();
~ Ground-to-air missile ();
}

Class anti-missile defense: Public missiles
{
Public:
Anti-missile defense ();
~ Anti-missile defense ();
}

//////////////////////////////////////// /////////////////////
Class chelaile
{
Public:
Vitrual ~ Chelaile ();

Protected:
Chelaile ();
}
//-------------------------------------------------
Class Korean Rolling Wheel: Public Rolling Wheel
{
Public:
Korean chelaile ();
~ Korean chelaile ();
}

Class Dongfeng wheel: public wheel
{
Public:
Dongfeng Motor rolling ();
~ Dongfeng Motor rolling ();
}

//////////////////////////////////////// /////////////////////////
Class tires
{
Public:
Vitrual ~ Tires ();

Protected:
Tires ();
}
//---------------------------------------------
Class meters Qilin: pubilc tires
{
Public:
Miqilin ();
~ Miqilin ();
}

Class Geely: pubilc tires
{
Public:
Geely ();
~ Geely ();
}
//////////////////////////////////////// //////////////////////////

Class car
{
Public:
Vitrual ~ Automobile ();

Virtual tire * tire () const {return new tire ;}
Virtual Rolling Wheel * Rolling Wheel () const {return New Rolling Wheel ;}
Virtual missile * missile () const {return new missile ;}

Protected:
Automobile ();
}

Class my car: Public Car
{
Public:
My car ();
~ My car ();

Virtual tire * tire () const {return New Geely ;}
Virtual Rolling Wheel * Rolling Wheel () const {return New Dongfeng Rolling Wheel ;}
Virtual missile * missile () const {return new ground-to-air missile ;}
}

Class wife's car: Public Car
{
Public:
Wife's car ();
~ Wife's car ();

Virtual tire * tire () const {return New miqilin ;}
Virtual Rolling Wheel * Rolling Wheel () const {return new Korean Rolling Wheel ;}
Virtual missile * missile () const {return new anti-missile defense ;}
}

Class stroller: Public Car
{
Public:
Stroller ();
~ Stroller ();

virtual tire * tire () const {return New Geely;}
virtual Rolling Wheel * Rolling Wheel () const {return New Dongfeng Rolling Wheel ;}
virtual missile * missile () const {return new anti-missile defense; }< BR >}

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