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on Question 2

 
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The Class being extended doesn't have to be in the same package if both the class and methods being used are declared as public. If P1 and afancymethod had been public, then the package name would not have made a difference. If the class had been declared as public and not the method, You would have been able to extend the class but you would not have access to afancymethod unless it was declared protected or public.
Since both the P1 and afancymethod have default access modifiers and are in a different package then P2 you would not be able to extend the P1 class.
 
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Could you please add some context to this post. Like what Question 2?
 
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