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;

public class Main {
    public static void main(String[] argv) throws Exception {
        DefaultListModel<String> model = new DefaultListModel<>();
        JList<String> list = new JList<>(model);

        int pos = 0;
        model.add(pos, "a");

        //Insert an item at the beginning
        model.add(pos, "a");

        // Initialize the list with items
        String[] items = { "A", "B", "C", "D" };
        for (int i = 0; i < items.length; i++) {
            model.add(i, items[i]);
        }

        // Replace the 2nd item
        pos = 1;
        model.set(pos, "b");

        // Remove the first item
        model.remove(pos);

        // Remove the last item
        pos = model.getSize() - 1;
        if (pos >= 0) {
            model.remove(pos);
        }

        // Remove all items
        model.clear();
    }
}