java – Calendar. Before (object when), why object?
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Java
From Javadoc's calendar before(Object when)：
Returns whether this calendar represents the time before the time represented by the specified object This method is equivalent to:
compareTo(when) < 0
If and only if the calendar is a calendar instance Otherwise, the method returns false
If someone passes something that is not a calendar instance and returns false, why does it accept object? Why not accept calendar instances? This allows me to observe the incorrect results of the function for a period of time
Solution
I don't think there's any special reason java. util. Calendar has some design problems that we have to live with, unfortunately
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