题目
题目

CSE-110-OD25-27 12.1 Lesson and Knowledge Check - Study Hall Video: episodes: 23-24

单项选择题

What is the benefit of calculating an average grade within a Course class using an instance method?

选项
A.It allows the average grade to be calculated without accessing any student data.
B.It enables the method to be called on any object in the program, regardless of its class.
C.It centralizes the functionality, so changes to the calculation need to be made in only one place.
D.It prevents the class from creating any instances, thus enhancing program security.
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标准答案
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思路分析
Consider the prompt: What is the benefit of calculating an average grade within a Course class using an instance method? Option 1: 'It allows the average grade to be calculated without accessing any student data.' This claim is flawed because calculating an average grade inherently involves data about students’ grades; ignoring student data would render the calculation meaningless. An instance method typically operates on......Login to view full explanation

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