Most object-oriented programming languages support data abstraction and encapsulation for information hiding.
大多数面向对象语言均支持信息隐蔽的数据抽象和封装。
Polymorphism is the third essential feature of an object-oriented programming language, after data abstraction and inheritance.
多态性是面向对象语言中继封装，继承之后第三个基本特征。
Polymorphism is the third essential feature of an object-oriented programming language, after data abstraction and inheritance.
多态性是面向对象语言中继封装，继承之后第三个基本特征。
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