What Must a Subclass Do to Modify a Private Superclass

question 94

Multiple Choice

What must a subclass do to modify a private superclass instance variable?

• A)The subclass must simply use the name of the superclass instance variable.
• B)The subclass must declare its own instance variable with the same name as the superclass instance variable.
• C)The subclass must use a public method of the superclass (if it exists) to update the superclass's private instance variable.
• D)The subclass must have its own public method to update the superclass's private instance variable.

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