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

JFrame的一些常识，比较粗糙，但代码都经过本人验证，完全可用，有问题请留言-JFrame some common sense, more rough, but code have been I verification, fully available, any question, please leave a message

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

整数多种进制形式相互转换，指定一种整数类型，以一种进制形式输入一个整数，将其及负数分别转换成其他进制形式显示-import java.awt.* import java.awt.event.* import javax.swing.* import javax.swing.event.CaretListener import javax.swing.event.CaretEvent public class NumJFrame extends JFrame i

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