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Re: i need urgent help. this error cmoing. i dont know what to do 15 Years Ago by vigneswara ItemListener is an interface u r class is implemented with ItemListener once u implement the Listeners u must define the abstract methods just declare those abstract methods without define the abstract methods u got an error Re: Refresh JPanel with click of JMenuItem 12 Years Ago by mKorbel ItemListener [url]http://download.oracle.com/javase/tutorial/uiswing/events/itemlistener.html[/url] for Listening changes into JComboBoxs Items [url]http://download.oracle.com/javase/tutorial/uiswing/components/combobox.html[/url] Re: ItemListener Help 11 Years Ago by mKorbel …setPrototypeDisplayValue("################################################"); flyFromCombo = new JComboBox(itemsFrom); flyFromCombo.addItemListener(new ItemListener() { @Override public void itemStateChanged(ItemEvent e) { if ((e.getStateChange() == ItemEvent… ItemListener 11 Years Ago by arcticman452 I am trying to get the ItemListener to work on this program. I keep getting an error … java.awt.event.*; public class Buttons extends Frame implements ActionListener, ItemListener { public Buttons() { //set the layout setLayout(new BorderLayout(20,5… Re: ItemListener 11 Years Ago by mKorbel - for why reason you using AWT to use Swing instead - then Choice should be JComboBox, (Frame/JFrame, Button/JButton) - add ItemListener to JComboBox - ItemListener always fired twice events, SELECTED and DESELECTED, - can to determine, test if ITEM_STATE_CHANGED only ItemListener Help 11 Years Ago by arcticman452 I have 2 JComboBoxes that are using an itemListener, right now the code I have compiles but when I … Re: methods of using ItemListener 9 Years Ago by trishtren …you would have implement its abstract method like: ItemListener itemlistener = new ItemListener() { @Override public void itemStateChanged(ItemEvent e) …"); frame.add(c); c.addItemListener(new ItemListener() { public void itemStateChanged(ItemEvent ie) {… methods of using ItemListener 9 Years Ago by COKEDUDE I have seen these two methods of using ItemListener. I am curios which is better and why. What are the differences? ItemListener a; Choice ce = new Choice(); ce.addItemListener(a); ItemListener itemlistener = new ItemListener(); itemlistener.handle = checkboxmenuitem; checkboxmenuitem.addItemListener(itemlistener); Question about ItemListener 12 Years Ago by javaprog200 … cbox.addItemListener( new ItemListener() { public void…cbox.addItemListener( new ItemListener() { public void… Swing ItemListener Error 10 Years Ago by vivosmith …ItemEvent; import javax.swing.*; public class framed implements ItemListener { JToggleButton jtButton; public JPanel createAndShowNewPane() { …framed class must implement inherited abstract class ItemListener.itemStateChange(ItemEvent); error when I tried … Re: Question about ItemListener 12 Years Ago by JamesCherrill I think Norm's onto something there. This is from the JComboBox API doc: [QUOTE]public void addItemListener(ItemListener aListener) Adds an ItemListener. aListener will receive one or two ItemEvents when the selected item changes.[/QUOTE] A quick print inside the itemStateChanged method will confirm or refute this. Java applet itemListener problem 13 Years Ago by jko2326 … place of where the blue text is. i have my itemlistener code and my program compiles fine, but nothing happens when…; // Needed for formatting decimal public class TemperatureApplet extends JApplet implements ItemListener { DecimalFormat df = new DecimalFormat("#,##0.00"); private double… Re: Question about ItemListener 12 Years Ago by NormR1 Is the itemListener being called two times? Add a println to show when it is called and what the value of the args are. Re: Question about ItemListener 12 Years Ago by javaprog200 Hello Guys, Thank you for the replies! I did precisely that and it duplicates the event only when j = 5. For all other selections, it processes only one event. Just wondering how having an if statement in the ItemListener always creates two events instead of one? Thank you! Re: Question about ItemListener 12 Years Ago by javaprog200 … made to the JCombox event handler: [CODE] cbox.addItemListener( new ItemListener() { public void itemStateChanged (ItemEvent e) { if (e.getStateChange() == e.SELECTED… Re: Swing ItemListener Error 10 Years Ago by DeanMSands3 ... OK... you renamed "itemStateChanged" to "actionPerformed." The compiler is looking for "itemStateChanged" because that's what ItemListener requires. I simply changed the name back and the code ran fine. new pRoblem.... how to implement iTemListener in a GridBagLayout 15 Years Ago by mercury113 hOw can i implement an itemListener in a gRidBaglayout??? tnX 4 d help... hOpe u help me... Re: new pRoblem.... how to implement iTemListener in a GridBagLayout 15 Years Ago by masijade [url]http://java.sun.com/docs/books/tutorial/uiswing/events/itemlistener.html[/url] Java MultiThreading-Rotate an Image 12 Years Ago by MsBear92 …java.awt.Cursor.HAND_CURSOR)); jComboBox2.addItemListener(new java.awt.event.ItemListener() { public void itemStateChanged(java.awt.event.ItemEvent evt) …java.awt.Cursor.HAND_CURSOR)); jComboBox5.addItemListener(new java.awt.event.ItemListener() { public void itemStateChanged(java.awt.event.ItemEvent evt) … saving to an xml file 8 Years Ago by hermela_1 …@Override public void stateChanged(ChangeEvent e) { xMLData.compare(); } }); } ItemListener itemListener = new ItemListener() { @Override public void itemStateChanged(ItemEvent e) { xMLData.compare… i need urgent help. this error cmoing. i dont know what to do 15 Years Ago by lich …public void itemStateChanged(ItemEvent evt) { type1ItemStateChanged(evt); } }); type2.addItemListener(new ItemListener() { public void itemStateChanged(ItemEvent evt) { type2ItemStateChanged(evt); } }); //cbg1 = new CheckboxGroup… problem in java programme 12 Years Ago by stephen lynch …cat. & JCBox ref appetizerJComboBox.addItemListener( new ItemListener() // add Listener to JComboBox using anonymous inner …cat. & JCBox ref mainCourseJComboBox.addItemListener( new ItemListener() // add Listener to JComboBox using anonymous inner class… reg eventhandling 12 Years Ago by rajeshredy ….HORIZONTAL,-1,-1); tablelist.addItemListener(new ItemListener(){ public void itemStateChanged(ItemEvent e) {… GridBagConstraints.HORIZONTAL,-1,-1); Yes.addItemListener(new ItemListener() { public void itemStateChanged(ItemEvent e) … Validation for empty JTextField not working 11 Years Ago by aabbccbryanmark … cBtn3.setOpaque(false); cBtn3.addItemListener( new ItemListener() { public void itemStateChanged(ItemEvent e) …txt4.requestFocusInWindow(); }*/ } } class RadioButtonHandler implements ItemListener { public void itemStateChanged(ItemEvent e) { String … change content pane colour program, first stab 9 Years Ago by Violet_82 …allowed: redButton.addItemListener( new ItemListener( ... ) ) blueButton.addItemListener( new ItemListener( ... ) ) greenButton.addItemListener( new ItemListener( ... ) ) magentaButton.addItemListener( new ItemListener( ... ) ) I am not sure… Re: Help with a reservation program! GUI Messed XD 18 Years Ago by buggytoast …dayComboBox.setSelectedIndex( 0 ); dayComboBox.addItemListener( new ItemListener(){ public void itemStateChanged( ItemEvent event ){ ….setSelectedIndex( 0 ); editComboBox.addItemListener( new ItemListener(){ public void itemStateChanged( ItemEvent event ){ EditTypeChanged… Re: reg eventhandling 12 Years Ago by rajeshredy ….HORIZONTAL,-1,-1); tablelist.addItemListener(new ItemListener(){ public void itemStateChanged(ItemEvent e) {… GridBagConstraints.HORIZONTAL,-1,-1); Yes.addItemListener(new ItemListener() { public void itemStateChanged(ItemEvent e) … Re: reg eventhandling 12 Years Ago by rajeshredy …System.exit(0); } } private class listItemListener implements ItemListener{ public void itemStateChanged(ItemEvent e){ addComponent(p,tablelist,…tablearray[i]); } tablelist.setVisible(true); tablelist.addItemListener(new ItemListener(){ public void itemStateChanged(ItemEvent ie) { if(ie.getSource… Re: i need urgent help. this error cmoing. i dont know what to do 15 Years Ago by VernonDozier … With ActionListener, it's "actionPerformed". With ItemListener, it's "itemStateChanged". Always type in "…;ItemListener", or whatever Listener you are using, into google…1.5.0/docs/api/java/awt/event/ItemListener.html#itemStateChanged(java.awt.event.ItemEvent[/url]) Re: i need urgent help. this error cmoing. i dont know what to do 15 Years Ago by lich …With ActionListener, it's "actionPerformed". With ItemListener, it's "itemStateChanged". Always type in …"ItemListener", or whatever Listener you are using, into…j2se/1.5.0/docs/api/java/awt/event/ItemListener.html#itemStateChanged(java.awt.event.ItemEvent[/url])[/QUOTE]…