Explain Different Types Of Inheritance In Java
Understanding Inheritance Types in Java
Explain Different Types Of Inheritance In Java
In Java, there are four main types of inheritance: single inheritance, where a subclass inherits from a single superclass; multiple inheritance (achieved through interfaces), where a subclass inherits from multiple superclasses by implementing multiple interfaces; multilevel inheritance, where a subclass becomes a superclass for another subclass, forming a hierarchy; and hierarchical inheritance, where multiple subclasses inherit from a single superclass. Each type of inheritance provides a way to establish a relationship between classes to encourage code reuse and maintainability in object-oriented programming.
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1 - Single Inheritance:
In single inheritance, a class can only inherit from one base class.
2) Multiple Inheritance:
Multiple inheritance allows a class to inherit properties and behaviors from more than one base class.
Java does not support multiple inheritance of classes, although it does support multiple inheritance of interfaces.
3) Hierarchical Inheritance:
In hierarchical inheritance, multiple classes inherit from a single base class. Each derived class can have its own set of unique properties and methods, in addition to those inherited from the base class.
4) Multilevel Inheritance:
In multilevel inheritance, a class is derived from another derived class. This creates a chain of inheritance with multiple levels.
5) Hybrid Inheritance:
Hybrid inheritance is a combination of multiple and hierarchical inheritance. It involves a mix of single, multiple, and multilevel inheritance.
6) Interface Inheritance:
In Java, classes can implement multiple interfaces, which allows for achieving a form of multiple inheritance.
7) Method Overriding:
Inheritance also allows for method overriding, where a subclass provides a specific implementation of a method that is already defined in its superclass.
8) Method Overloading:
Method overloading allows a class to have multiple methods with the same name but with different parameters. This is not directly related to inheritance, but it is a concept that works in conjunction with inheritance.
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