Question: Why do we need both abstract classes and interfaces, even though they are very similar to each other? 12. What are the differences between abstract

Why do we need both abstract classes and interfaces, even though they are very similar to each other? 12. What are the differences between abstract classes and interfaces?

If an exception is thrown and the program does not handle it, what happens? 10.4 Other than the Object class, what class do all exceptions inherit from?

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