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______is a property of object－oriented software by which an abstract operation may be perf

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______is a property of object-oriented software by which an abstract operation may be performed in different ways in different classes．

A．Method

B．Polymorphism

C．Inheritance

D．Encapsulation

参考答案:

B解析：多态是面向对象的特征之一，它提供了一个抽象操作，在不同的类中能够执行不同的方法。选项A是方法，选项B是多态，选项C是继承，选项D是封装。

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