( ) is an important concept since it all

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问题 ( ) is an important concept since it allows reuse of a class definition without requiring major code changes.A.InheritanceB.PolymorphismC.EncapsulationD.DatA.hiding

选项 A.Inheritance
B.Polymorphism
C.Encapsulation
D.DatA.hiding

答案 A

解析 继承是一个重要的概念,因为它使得无需对代码做大的改变就能重用类定义。
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