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There is an interface I that has abstract class AC as its subclass. Class C inherits AC. We know that C delegates to an object of D to perform some computations. Besides, C consists of two C1s and one
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There is an interface I that has abstract class AC as its subclass. Class C inherits AC. We know that C delegates to an object of D to perform some computations. Besides, C consists of two C1s and one C2 as subcomponents. Object of C2 is still reusable when its major component C is depleted. C1 has a method that takes in an object of E as argument. Which one is invalid

User Jsoverson
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are u in HS or college work

I am trying to understand

User Brianz
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