import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JMenuItem;
import javax.swing.JPopupMenu;
public class Main {
public static void main(String[] args) {
JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPopupMenu popupMenu = new JPopupMenu();
popupMenu.add(new JMenuItem("One"));
popupMenu.add(new JMenuItem("Two"));
popupMenu.add(new JMenuItem("Three"));
JList<String> list = new JList<>(new String[] { "Hello", "World",
"Something", "Else", "Out", "Of", "Ideas" });
list.setComponentPopupMenu(popupMenu);
f.add(list);
f.pack();
f.setVisible(true);
}
}