Okei, äkki on GUI osa olemass, aga ma sain sellise veateate :
     [java] Exception in thread "main" java.lang.NullPointerException
     [java] 	at ee.ut.math.tvt.salessystem.ui.model.SalesSystemTableModel.populateWithData(SalesSystemTableModel.java:76) --- Rida 76 ei ole olemas selles failis...
     [java] 	at ee.ut.math.tvt.salessystem.ui.model.SalesSystemModel.<init>(SalesSystemModel.java:41)
     [java] 	at ee.ut.math.tvt.salessystem.ui.SalesSystemUI.<init>(SalesSystemUI.java:53)
     [java] 	at ee.ut.math.tvt.salessystem.SalesSystem.main(SalesSystem.java:31)
     [java] Java Result: 1
Merge branch 'master' of https://github.com/heiti/Grupp