Extends: In Java, the extends keyword is used to indicate that the class which is being defined is derived from the base class using inheritance. So basically, extends keyword is used to extend the functionality of the parent class to the subclass .
Read moreWhat is inheritance and types?
There are different types of inheritance viz., Single inheritance, Multiple inheritance, Multilevel inheritance, hybrid inheritance, and hierarchical inheritance . Single Inheritance: When a derived class inherits only from one base class, it is known as single inheritance.
Read moreHow many base classes are there in hierarchical inheritance?
How many classes must be there to implement hierarchical inheritance? Explanation: At least 3 classes must be there.
Read moreIs hierarchy and inheritance same?
Hierarchical inheritance is a kind of inheritance where more than one class is inherited from a single parent or base class . Especially those features which are common in the parent class is also common with the base class.
Read moreWhat is hierarchical inheritance in OOP?
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 moreCan we use multilevel inheritance in Java?
Java supports only Single, Multilevel, and Hierarchical types of inheritance . Java does not support Multiple and Hybrid inheritance.3 Mar 2022
Read moreDoes Java support hierarchical inheritance?
Java supports only Single, Multilevel, and Hierarchical types of inheritance . Java does not support Multiple and Hybrid inheritance.
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