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Alex Rivera
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I am learning Java recently, and I came across the notion of package-private classes, which is the default if we don't specify anything. But then I realized: I seldom see the use of package-private class. Is there a reason for this, e.g., it has serious drawbacks, it is redundant, or simply I am not reading enough? Are there strong arguments for/against its usage? If it is really not useful in most cases, why would it be the default? In what situation should we use package-private in the real world? I.e., when would it become irreplaceable? In other words, what are the major pros and cons of the default package-private modifier?
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