do actions in ComboBox

heloo!
I have designed a frame with a combo box,i want after choosing an item in combo box and submitting it by pressing OK,do some actions according to the selected item such as opening a new frame... .how can i do this?
can u give me some sample codes for that?will be gratfull if help me about it!:)

Code :

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private void jComboBox1ItemStateChanged(java.awt.event.ItemEvent evt) {
        if(evt.getStateChange()== evt.SELECTED && evt.getItem().toString().equals("Item 1"))
        {
            JOptionPane.showMessageDialog(null,"nmkbsdmf");
        }
    }

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I think it may help you ... if you change used listener interface.

You kind of answered your question as you asked it...

You said in your question, "according to the selected item".

The last two words that I quoted above are your answer. Anytime you want to know which item in your combobox is currently selected, you have two ways of finding out:

Code :

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JComboBox1.getSelectedIndex(); // Which returns and int value, with 0 being the first item in the combobox.
JComboBox1.getSelectedItem(); // Which returns a String value that is the text of the item.

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Either one of these will get you where you need to be. Just put the following in your JButtonActionPerformed event:

Code :

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if ( JComboBox1.getSelectedItem().equals("What you are looking for") ) {
     // Take some action for this item.
} else if ( JComboBox1.getSelectedItem().equals("Another string of text") ) {
     // Take some different action.
} // ...etc...etc...etc

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Hope this helps.

Cheers,

Sean C.
PekinSOFT Systems