房产中介者

代码说明：

房产中介者模式图形界面代码public class RegisterDialog extends JDialog {private JButton btn1 = new JButton("保存");private JLabel l1 = new JLabel("用户类型:");private JLabel l2 = new JLabel("编号:");private JLabel l3 = new JLabel("姓名:");private JLabel l4 = new JLabel("手机:");private JTextField t1 = new JTextField(12);private JTextField t2 = new JTextField(12);private JTextField t3 = new JTextField(12); private JComboBox combo = new JComboBox(new String[]{"房屋出售方","房屋购买房"});