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via Coderanch by tajinder pal singh, 1 year ago
java.lang.NullPointerException at game.uno.model.UNODeckMain.notifyObservers(UNODeckMain.java:59) at game.uno.model.UNODeckMain.setThisUnoDeckMain(UNODeckMain.java:38) at game.uno.controller.UNOGameController.playGame(UNOGameController.java:88) at game.uno.swings.UnoGui$3.actionPerformed(UnoGui.java:144) at javax.swing.AbstractButton.fireActionPerformed(Unknown Source) at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source) at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source) at javax.swing.DefaultButtonModel.setPressed(Unknown Source) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source) at java.awt.Component.processMouseEvent(Unknown Source)