Q. Given the following piece of code:
public class School{
public abstract double numberOfStudent();
}
which of the following statements is true?
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(A)
The keywords public and abstract cannot be used together.
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(B)
The method numberOfStudent() in class School must have a body.
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(C)
You must add a return statement in method numberOfStudent().
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(D)
Class School must be defined abstract.
✅ Correct Answer: (D)
Class School must be defined abstract.