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            <p>Think about it, if the static class is independent of its enclosing class, it doesn't need an instance of this, so only the static members could be used because they are associated with the class, not to a particular instance.</p>

            <p>For that reason, a static inner class is often used as a utility class that contains common methods shared by all the objects of a class.</p>

            <p>If you use the static inner class inside the class that defines it, you can use it in any