[Marzo]: If a constructor throws a checked exception (say IOException), then ANY subclass of this class must have an EXPLICIT constructor which throws this exception or a superclass of the exception, correct?
Not quite. If there is more than one constructor in the superclass, and at least one constructor does not throw the checked exception, then a subclass constructor may avoid the checked exception as well as long as it invokes the correct super constructor. E.g.
so it's basically the complete opposite to constructors?
Yes, in terms of what checked exceptions may be thrown.
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