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Discussion :: Exceptions

  1. Which statement is true?

    2. A.
    catch(X x) can catch subclasses of X where X is a subclass of Exception.
    B.
    The Error class is a RuntimeException.
    C.
    Any statement that can throw an Error must be enclosed in a try block.
    D.
    Any statement that can throw an Exception must be enclosed in a try block.

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    Answer : Option A

    Explanation :

    Option A is correct. If the class specified in the catch clause does have subclasses, any exception object that subclasses the specified class will be caught as well.

    Option B is wrong. The error class is a subclass of Throwable and not Runtime Exception.

    Option C is wrong. You do not catch this class of error.

    Option D is wrong. An exception can be thrown to the next method higher up the call stack.

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