Java - JList查看是否选择了ANYTHING

import javax.swing.*;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import java.util.Arrays;

public class JListExample {
    public static void main(String[] args) {
        String[] data = {"Option 1", "Option 2", "Option 3", "ANYTHING"};
        DefaultListModel<String> model = new DefaultListModel<>();
        for (String item : data) {
            model.addElement(item);
        }

        JList<String> list = new JList<>(model);
        list.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);

        list.addListSelectionListener(new ListSelectionListener() {
            @Override
            public void valueChanged(ListSelectionEvent e) {
                String[] selectedValues = list.getSelectedValuesList().toArray(new String[0]);
                if (Arrays.asList(selectedValues).contains("ANYTHING")) {
                    System.out.println("选择了ANYTHING");
                } else {
                    System.out.println("没有选择ANYTHING");
                }
            }
        });

        JFrame frame = new JFrame("JList Example");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.getContentPane().add(new JScrollPane(list));
        frame.pack();
        frame.setVisible(true);
    }
}