登陆注册界面设计，注册失败自动返回，成功则跳转页面-public class Register extends JFrame implements ActionListener{ private static final long serialVersionUID = 1L String Sex = "" JLabel lb_title,lb_user,lb_psd,lb_repsd,lb_sex,lb_class,lb_age JT

public class BlurAndSharpenDemo extends JFrame implements ActionListener { private JPanel jPanel = new JPanel() //面板jPanel用于容纳模糊、锐化、还原图像按钮 private JButton buttonFile //打开图像文件按钮 private JButton buttonBlur //模糊图像按钮 private JButton buttonSharpen //锐化图像按

private JFrame f private JPanel p1 private JButton btn1 private JLabel l1, l2, l3, l4 private JTextField t1, t3 private JComboBox c1

This sample show you how behaviour, working with Thread Changing JPanel inside another, this is useful to view the Exception of type java.lang.IllegalStateException.