> Hi... > > This may be a stupid question, but I'm struggling to find an answer for > it. I have a class called UserImpl. To this class I want to add another > variable called 'mobileNumber' of type int. Obviously, I want a > corresponding column in my db table as well. > > I've tried adding a new instance variable called mobileNumber, and added > set/get methods, and added another property to my UserImpl.hbm.xml file. > However, now I get a null pointer exception. > > Firstly, am I do this correctly? Secondly, are there any documents or > articles which would be useful for me? I've tried searching around but > could not find anything. > > Thanks.
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