The extends keyword extends a class (indicates that a class is inherited from another class) . In Java, it is possible to inherit attributes and methods from one class to another. We group the “inheritance concept” into two categories: subclass (child) – the class that inherits from another class.
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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