Posts by Danilo Ferrari • 21 points
2 posts
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answer261
viewsQ: java.lang.Nullpointerexception error
I have this mistake and I can’t find the problem. Exception in thread "AWT-Eventqueue-0" java.lang.Nullpointerexception at windows.TelaPrincipal.getUserList(Telaprincipal.java:53) at…
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answer233
viewsQ: How is Java related to Mysql?
I want to develop an expense control software and I want to use Javaswing with Mysql. So I have a question about the database. I know it stays on a server, but when I compile the program and want to…