What happens if you try to instantiate an abstract class?单项选择题

A

The code will not compile, and a compilation error will occur.

B

You can instantiate an abstract class, but it will be treated as a regular class without any special behavior.

C

You can instantiate an abstract class, but it will throw an AbstractMethodError at runtime.

D

You can instantiate an abstract class without any issues.

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What happens if you try to instantiate an abstract class?

Does Java allow an abstract class to be a child of a parent class that is also abstract?

from abc import ABC, abstractmethod class DataProcessor(ABC): def __init__(self, data): self.data = data @abstractmethod def clean(self): pass def process(self): cleaned_data = self.clean() return sum(cleaned_data) class ListProcessor(DataProcessor): def clean(self): cleaned = [] for x in self.data: if isinstance(x, (int, float)): cleaned.append(x) return cleaned class AveragingProcessor(ListProcessor): def process(self): cleaned = self.clean() return sum(cleaned) / len(cleaned) dp = ListProcessor([1, 2, "a", 3]) ap = AveragingProcessor([10, None, 20, 30, "skip"]) print(dp.process()) print(ap.process()) What will happen when the above code is executed? Select all correct statements. Incorrect selections will deduct points from your score.

Can an abstract class be a child class of another abstract class?

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