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Here is my TablePanel.java:


package gui;

import java.awt.BorderLayout;
import java.util.List;

import javax.swing.JPanel;
import javax.swing.JScrollPane;

ok I initialized my controller which fixed the nullpointer exception. my save method seems to work (creates a file on my desktop). but when I try and import and then refresh my table model, the code...

Here is the stacktrace:


Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at gui.MainFrame$6.actionPerformed(MainFrame.java:145)
at...

I've been closely following a tutorial series, and as far as I can tell my code is exactly the same, but not functioning. The app throws a nullpointer exception here on...