When two or more classes inherits a single class , it is known as hierarchical inheritance. In the example given below, Dog and Cat classes inherits the Animal class, so there is hierarchical inheritance.
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For example, we defined the Food class, and then several specializations, such as the Meat and Fruit classes . We have also seen that a class hierarchy represents “is-a” relationships. Each instance of a subclass is also an instance of the parent class and all ancestors.
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Hierarchical inheritance describes a situation in which a parent class is inherited by multiple subclasses . A type of inheritance in which more than one class is inherited from a single parent or base class is known as hierarchical inheritance.
Read moreWhat is a hierarchical inheritance give an example?
In hierarchical inheritance, all features that are common in child classes are included in the base class. For example, Physics, Chemistry, Biology are derived from Science class. Similarly, Dog, Cat, Horse are derived from Animal class .
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