Main.java Source code

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Here is the source code for Main.java

Source

import javax.swing.DefaultListModel;
import javax.swing.JList;
import javax.swing.event.ListDataEvent;
import javax.swing.event.ListDataListener;

public class Main {
    public static void main(String[] argv) throws Exception {
        JList list = new JList();
        // Register a list data listener
        DefaultListModel model = (DefaultListModel) list.getModel();
        model.addListDataListener(new MyListDataListener());
    }
}

class MyListDataListener implements ListDataListener {
    public void intervalAdded(ListDataEvent evt) {
        DefaultListModel model = (DefaultListModel) evt.getSource();
        int start = evt.getIndex0();
        int end = evt.getIndex1();
        int count = end - start + 1;

        for (int i = start; i <= end; i++) {
            Object item = model.getElementAt(i);
        }
    }

    public void intervalRemoved(ListDataEvent evt) {
        int start = evt.getIndex0();
        int end = evt.getIndex1();
        int count = end - start + 1;
    }

    public void contentsChanged(ListDataEvent evt) {
        DefaultListModel model = (DefaultListModel) evt.getSource();
        int start = evt.getIndex0();
        int end = evt.getIndex1();
        int count = end - start + 1;
        for (int i = start; i <= end; i++) {
            Object item = model.getElementAt(i);
        }
    }
}