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private static final long serialVersionUID

PostPosted: 13 Feb 2010, 20:14
by zen
What are the long serialVersionUID numbers about?
If I make a card, do I have to assign it one? Should it be unique? How does one choose the right number?

Re: private static final long serialVersionUID

PostPosted: 13 Feb 2010, 20:20
by DennisBergkamp