/*
Get Selected Indexes From Multi Select AWT List Example
This java example shows how to get selected indexes of multi 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="GetSelectedItndexesFromMultiSelectExample" width=200 height=200>
</applet>
*/
public class GetSelectedItndexesFromMultiSelectExample extends Applet implements ItemListener{
List list = null;
public void init(){
//create a multi select list
list = new List(5, true);
//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 indexes from a multi select list, use
* String[] getSelectedIndexes()
* method of AWT List class.
*
* NOTE : getSelectedIndexes returns array of zero length if no
* items were selected.
*/
int[] items = list.getSelectedIndexes();
String msg = "";
for(int i=0; i < items.length; i++){
msg = items[i] + " " + msg;
}
g.drawString("Selected Indexes: "+ msg, 10, 120);
}
public void itemStateChanged(ItemEvent ie) {
repaint();
}
}
Example Output

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