5. Is it compulsory for a class, which has been declared as abstract, to have at least one abstract method?
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5. Is it compulsory for a class, which has been declared as abstract, to have at least one abstract method?
Step by step
Solved in 2 steps
- State a circumstance in which you would prefer an interface over an abstract class. Also, State a circumstance in which you would prefer an abstract class over an interface.What is abstraction and what is the advantage of using an abstract class?A subclass of an abstract class must be able to do all of the things the parent class can do. True or not?
- It is necessary for a subclass of an abstract class to implement all of the abstract methods that are defined for the parent class. Is there a mistake or is it accurate?In order to qualify as a subclass of an abstract class, a class must offer concrete implementations for all of the abstract methods defined in the abstract parent class. Exactly how do you feel about this?A subclass of an abstract class must implement all abstract methods of the parent class. True or false
- A subclass of an abstract class is required to implement all of the abstract methods of the parent class. Is it correct or incorrect?With appropriate examples, explain the features of static class members.Could it ever make sense to define a class as abstract if it has no abstract methods? Discuss this
- To be a subclass of an abstract class, a subclass must implement all of its parent's abstract methods. Is this right or incorrect?To be a subclass of an abstract class, a subclass must implement all of the abstract methods of its parent. Is this accurate or incorrect??B and C are its subclasses, and A is the parent class. Now, B and C have certain similar features and methods, but B and C implement a number of their methods very differently. Use logic to specify if A is a concrete class, an abstract class, or an interface.