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Given the code fragment: interface SampleClosable { public void close () throws java.io.IOException; } Which three implementations are valid?
Correct Answer: A,C,E
Explanation/Reference: Explanation: A: Throwing the same exception is fine. C: Using a subclass of java.io.IOException (here java.io.FileNotFoundException) is fine E: Not using a throw clause is fine. Incorrect answers: B: Exception is not a subclass of java.io.IOException and cannot be used here. D: Not extends. SampleCloseable cannot be the superclass of Test, a superclass must be a class. (An interface extends other interfaces.)