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import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class JListFrame extends JFrame
{
private DefaultListModel model = new DefaultListModel();
private JList list = new JList(model);
private JButton btn = new JButton("添加");
public JListFrame()
{
this.setLayout(new BorderLayout());
add(new JScrollPane(list), BorderLayout.CENTER);
add(btn, BorderLayout.SOUTH);
btn.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent event)
{
model.addElement("data");
}
});
}
public static void main(String[] args)
{
JFrame frame = new JListFrame();
frame.pack();
frame.setVisible(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}