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/* Get Selected Index From Single Select AWT List Example This java example shows how to get selected index of single select AWT List control. */ import java.applet.Applet; import java.awt.Graphics; import java.awt.List; import java.awt.event.ItemEvent; import java.awt.event.ItemListener; /* <applet code="GetSelectedIndexFromSingleSelectExample" width=200 height=200> </applet> */ public class GetSelectedIndexFromSingleSelectExample extends Applet implements ItemListener{ List list = null; public void init(){ //create a single select list list = new List(5, false); //add items to a list list.add("One"); list.add("Two"); list.add("Three"); list.add("Four"); list.add("Five"); list.add("Six"); list.add("Seven"); //add list add(list); //add listener list.addItemListener(this); } public void paint(Graphics g){ /* * To get selected index from a single select list, use * String getSelectedIndex() * method of AWT List class. * * NOTE : getSelectedIndex method returns -1 if no items were selected or * multiple items were selected. */ g.drawString("Selected Index: "+ list.getSelectedIndex(), 10, 120); } public void itemStateChanged(ItemEvent arg0) { repaint(); } } |
Example Output
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