Java Swing - 如何創(chuàng)建CheckList的JList

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import java.awt.Component;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JList;
import javax.swing.JScrollPane;
import javax.swing.ListCellRenderer;
import javax.swing.ListSelectionModel;
public class Main {
  public static void main(String args[]) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JList list = new JList(new CheckListItem[] { new CheckListItem("apple"),
        new CheckListItem("orange"), new CheckListItem("mango"),
        new CheckListItem("mango"),
        new CheckListItem("mango"),
        new CheckListItem("mango"),
        new CheckListItem("mango"),
        new CheckListItem("mango"),
        new CheckListItem("mango"),
        new CheckListItem("mango"),
        new CheckListItem("mango"),
        
        new CheckListItem("paw paw"), new CheckListItem("banana") });
    list.setCellRenderer(new CheckListRenderer());
    list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    list.addMouseListener(new MouseAdapter() {
      @Override
      public void mouseClicked(MouseEvent event) {
 
 
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