What is multilevel inheritance in Java?

What is inheritance explain multiple and multilevel inheritance with example?

“Multiple Inheritance” refers to the concept of one class extending (Or inherits) more than one base class. Multilevel inheritance refers, where one can inherit from a derived class, thereby making this derived class the base class for the new class.

How many classes are in multilevel inheritance?

It will make three levels of classes and two levels of inheritance. In some books, it is called multilevel inheritance.

Is multilevel inheritance possible in Java?

Multilevel Inheritance in Java:

In Multi-Level Inheritance in Java, a class extends to another class that is already extended from another class. For example, if there is a class A that extends class B and class B extends from another class C, then this scenario is known to follow Multi-level Inheritance.

Which of the following represents multilevel inheritance?

Which among the following best defines multilevel inheritance? Explanation: Only if the class is being derived from other derived class, it can be called as multilevel inheritance. If a class is derived from another class, it is single level inheritance. There must be more than one level of inheritance.

What is the correct way to implement multilevel inheritance?

For the implementation of multilevel inheritance, there must be one base class, e.g., A. Then there must be a derived class B which extends class A, and class C extends A.

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Why is multiple inheritance bad?

Allowing multiple inheritance makes the rules about function overloads and virtual dispatch decidedly more tricky, as well as the language implementation around object layouts. These impact language designers/implementors quite a bit and raise the already high bar to get a language done, stable, and adopted.

What is inheritance and explain multilevel inheritance?

Multilevel inheritance refers to a mechanism in OO technology where one can inherit from a derived class, thereby making this derived class the base class for the new class. As you can see in below flow diagram C is subclass or child class of B and B is a child class of A.

What is single and multiple inheritance?

In single inheritance a class can only inherit from one superclass. Single inheritance results in a strict tree hierarchy where each subclass is related to its superclass by an “is-a” relationship. Multiple inheritance on the other hand allows a subclass to inherit from more than one superclass.