Abstract class can inherit another class using extends keyword and implement an interface. Interface can inherit only an inteface . Abstract class can be inherited using extends keyword. Interface can only be implemented using implements keyword.26 Kas 2019
Read moreWhat is abstract class explain with example in C++?
An abstract class is a class that is designed to be specifically used as a base class . An abstract class contains at least one pure virtual function. You declare a pure virtual function by using a pure specifier ( = 0 ) in the declaration of a virtual member function in the class declaration.
Read moreWhich is the best example of an abstract class?
The best example of an abstract class is GenericServlet . GenericServlet is the parent class of HttpServlet . It is an abstract class.
Read moreWhat is abstract class with real life example?
A concrete example of an abstract class would be a class called Animal . You see many animals in real life, but there are only kinds of animals. That is, you never look at something purple and furry and say “that is an animal and there is no more specific way of defining it”.
Read moreWhat is classes in Java with example?
Everything in Java is associated with classes and objects, along with its attributes and methods. For example: in real life, a car is an object. The car has attributes, such as weight and color, and methods, such as drive and brake. A Class is like an object constructor, or a “blueprint” for creating objects .
Read moreWhat are the types of classes in Java?
There are seven types of classes in Java:
Read moreWhat is function overloading in Java with example?
Function Overloading in Java occurs when there are functions having the same name but have different numbers of parameters passed to it , which can be different in data like int, double, float and used to return different values are computed inside the respective overloaded method.
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