## 第四章 面向對象編程
Object-oriented Programming**
1. [類,構造函數和析構函數,類的指針](http://www.prglab.com/cms/pages/c-tutorial/oo-programming/classes.php)
Classes. Constructors and Destructors. Pointers to classes.
2. [操作符重載,this,靜態成員](http://www.prglab.com/cms/pages/c-tutorial/oo-programming/overloading-operators.php)
Overloading Operators. this. Static members
3. [類之間的關系](http://www.prglab.com/cms/pages/c-tutorial/oo-programming/relationships-between-classes.php)
Relationships between classes: friend. Inheritance
4. [虛擬成員,抽象,多態](http://www.prglab.com/cms/pages/c-tutorial/oo-programming/polymorphism.php)
Virtual Members. Abstraction. Polymorphism