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Java: Object Interaction

Why do objects collaborate through method calls?

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Java: Object Interaction

What issue arises if a `CartItem` duplicates `Product` fields?

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Java: Object Interaction

How would you explain an instance variable in a Java interview?

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Java: Object Interaction

How do you identify awkward interaction patterns in object designs?

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Java: Object Interaction

What design flaw exists if a `User` class directly accesses `ShoppingCart`'s item list?

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Java: Object Interaction

Why might a `Product` class use a getter method?

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Java: Object Interaction

How are objects created in Java?

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Java: Object Interaction

How do you know object collaboration is improving?

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Java: Object Interaction

Why does a constructor in Java matter in this design?

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Java: Method Overriding

How would you explain a common mistake to avoid when overriding methods in an interview?

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