Given the content of the Customer.java and Trader.java files: Which two methods can be overridden in the Trader class from the Customer class? (Choose two.)
An erratum to my previous comment, the correct one is BD
- B: m3 is protected, but can be accessed if the other class extends the parent class even though it is in a different package.
- D: m1 is public, just by importing the package you can access it normally.
BD corect .AC not because as , you can not override the private method in Java because it's bonded during compile time using static binding. It's also not visible on sub-class so cannot be overridden but you can hide the method by declaring another private method of the same signature
The correct answer is AB, talking about overloading and it has 4 methods that have 4 different types of visibility, following this logic, the ones that have less visibility are the AB responses, remember that when a method does not come with its declared visibility, java sets visibility to "default" by default which is more restricted than private.
Private methods can not be overridden so answer is wrong
Answers should be BD
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