Question: .Define abstract class, inheritance, overriding, interface and autoboxing. Q2. Analyze the given class diagram and answer the following questions: NewsFeed Post display MessagePost PhotoPost

.Define abstract class, inheritance, overriding, interface and autoboxing. Q2. Analyze the given

.Define abstract class, inheritance, overriding, interface and autoboxing. Q2. Analyze the given class diagram and answer the following questions: NewsFeed Post display MessagePost PhotoPost display display. | (a) Which display method will be executed, if dynamic type of object is Photo Post and static type is Post? (b) What type of polymorphism is used in given diagram?

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