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 the difference between extends and implements in Java?
Difference: implements means you are using the elements of a Java Interface in your class. extends means that you are creating a subclass of the base class you are extending . You can only extend one class in your child class, but you can implement as many interfaces as you would like.
Read moreWhat is inheritance with example in Java?
Inheritance is a mechanism in which one class acquires the property of another class . For example, a child inherits the traits of his/her parents. With inheritance, we can reuse the fields and methods of the existing class. Hence, inheritance facilitates Reusability and is an important concept of OOPs.
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 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
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