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Abstract class is same like a class but with some extra features which has both abstract method as well as concreate/general method. An abstract...
Interface is a special type of class in java that has only abstract method. And the abstract method is a method that has only method declaration not...
Abstraction is a technique of hiding the internal detail and showing only the essential data to the user. We can achieve Abstraction by using two...
Java is a class base Object Oriented Programming, high level, robust, multithreaded, Programming language. Java is very powerful and versatile...