Combo Box Troubles

I have a combo box that looks like this:

Code:

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//Combo Box
JComboBox cboTestNum = new JComboBox();
cboTestNum.addItem("1");
cboTestNum.addItem("2");
cboTestNum.addItem("3");
cboTestNum.addItem("4");
cboTestNum.setSelectedIndex(0);

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I put it on my panel and now I want to find out what item is selected and assign it to an integer variable...

All I get is Null Pointer problems...

How can I assign the selected item to a variable named test?

Code:

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int test;
test = Integer.parseInt("" + cboTestNum.getSelectedItem());

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is giving me errors...

Thanks!

Is there a getSelectedItem() method? I know the selectedItem property represents the object currently select in the combo box. But looking through my books i dont see a getSelectedItem method......

Where are the NullPointer Exception being generated?