Question: **Java programming (a) Java abstract classes can implement interfaces, but do they need to implement all the methods of the interface? Justify your answer. (1

**Java programming

(a) Java abstract classes can implement interfaces, but do they need to implement all the methods of the interface? Justify your answer. (1 mark)

(b) Give an example of abstract class that has one method which must be abstract and one which must be from an interface. Explain your design. (2 marks)

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