About equals problem

Hi, there,
why I use equals method to compare if two strings equals, I always get the wrong infomation:
java.lang.NullPointerException
what kind of class should I import?
thanks!!

Hi,
You don't need to import any classes when trying to compare two string.
You get 'java.lang.NullPointerException' when one of the two strings youare trying to compare is null. So have a check for null first before making the comparison.
Regards,
Anupama

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