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Multilevel Inheritance
A Scenario where one class is inheriting/extending the bahavior of another class which in turn is inheriting behavior from yet another class.
Ex: public class Automobile {…}
Public class Car extends Automobile {…}
Public class Ferrari extends Car {…}
This multilevel inheritance actually has no limitations on the number of levels it can go. So as far as java goes, it is limitless. But for maintenance and ease of use sakes it is better to keep the inheritance levels to a single digit number.
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Specification forms of inheritance in java?
single level inheritance eg ( class B extends Class A) Multilevel inheritance eg( class C extends class B and class B extends class A) multiple inheritance Class C inherits Class A features as well as Class B featues.This type of inheritance is not allowed in JAVA.
Type of inheritance?
There are 2 Types of genetic Inheritance. 1. Polygenic inheritance, also known as quantitative or multi-factorial inheritance refers to inheritance of a phenotypic characteristic (trait) that is attributable to two or more genes and their interaction with the environment. Polygenic traits do not follow patterns of Mendelian inheritance (qualitative traits). Instead, their phenotypes typically vary along a continuous gradient depicted by a bell curve. Eye color and skin color are both polygenetic traits. 2. Monogenic inheritance is controlled by a single gene, as opposed to multigenic.
Why does Java support multilevel inheritance?
Because it is one of the most important and widely used inheritance concepts in Java. In multi level inheritance a class directly inherits features from one class and indirectly inherits features form other classes that are in the inheritance hierarchy.
Inheritence and its types in object oriented programmings?
There are only two types of inheritance in object oriented programming: Single inheritance: where a class inherits directly from just one base class. Multiple inheritance: where a class inherits directly from two or more base classes. Multi-level inheritance is often thought of as being a separate type of inheritance, however inheritance relates to a derived class and those that it directly inherits from. If a base class is itself a derived class (an intermediate class), then its base class or classes are simply indirect base classes of the derivative. But in isolation, the intermediate class either uses single or multiple inheritance, even if its base class or classes are also intermediates. Virtual inheritance is also thought of as being a separate type, however virtual inheritance doesn't change the relationship between classes within the hierarchy. the only difference virtual inheritance makes is that the virtual base class or classes are constructed by the most-derived class within the current hierarchy, rather than by their most direct descendants. In this way, only one instance of each virtual base exists in the hierarchy, rather than multiple instance as would normally exist. The actual inheritance is still single or multiple, however.
Java program to demonstrate multiple inheritance?
Java does not support multiple inheritance directly with classes to avoid ambiguity issues, such as the "Diamond Problem." However, it allows achieving multiple inheritance through interfaces. A class can implement multiple interfaces, enabling it to inherit behavior from multiple sources. For example, if two interfaces define similar or different methods, a class implementing both interfaces can provide specific implementations for each method. This approach ensures clarity and avoids conflicts while promoting a clean design. By using interfaces, Java offers the flexibility of multiple inheritance without the complexities and risks associated with direct implementation.
