import java.awt.*;import java.awt.event.*;import java.awt.Container;import javax.swing.*;public class JAidalogDemo2 {	public static void main(String[] args) {	JAidalogDemo2 jAidalogDemo2=new JAidalogDemo2();	}		private JTextField text;	public JDialog dialog;	public JAidalogDemo2()	{    JFrame frame=new JFrame("主窗口");		Container contentPane=frame.getContentPane();		JButton button=new JButton("显示数据");		button.addActionListener(new ActionListenerImp());		contentPane.add(button,BorderLayout.WEST);		text=new JTextField("填写数据处");		contentPane.add(text,BorderLayout.CENTER);		frame.setVisible(true);			}	private class ActionListenerImp implements ActionListener	{		public void actionPerformed(ActionEvent e)						{   JFrame dialog=new JFrame("显示数据窗口");			Container contentPane=dialog.getContentPane();			JLabel label= new JLabel(text.getText(),JLabel.CENTER);			contentPane.add(label);			dialog.setVisible(true);		}	}	}