Posts by Matheus Henrique Souza • 11 points

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  Q: Error :Exception in thread "AWT-Eventqueue-0" java.lang.Nullpointerexception

  Well, I’m trying to make a login screen, in which the data are in the database, and if you have the right data as in the bd appears a message to the user, but is giving error. The Login page: import…

  java database oop login

  asked 3 years, 7 months ago Matheus Henrique Souza 11