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1. Can two interfaces mutually extend each other? Why or why not? 2. What are some potential…

1. Can two interfaces mutually extend each other? Why or why not? 2. What are some potential…

1. Can two interfaces mutually extend each other? Why or why not?2. What are some potential efficiency disadvantages of having very deep inheritance trees, that is, a large set of classes, A, B, C, and so on, such that B extends A, C extends B, D extends C, etc.?3. What are some potential efficiency disadvantages of having very shallow inheritance trees, that is, a large set of classes, A, B, C, and so on, such that all of these classes extend a single class, Z?