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

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.