Should I always not catch NullPointerException?
Effective java recommend that we shouldn't catch NullPointerException. Is
it always right?
In many cases of catching NullPointerException, catch body only calls
printStackTrace().
If I don't catch NullPointerException and call printStackTrace(), how I
can check the place where the exception occurred?
And also if I catch NullPointerException and the catch body is empty, we
cannot get any stack information at that time, can we?
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