api 过时是什么问题

来源：互联网发布：网络安全设备的部署编辑：程序博客网时间：2024/04/24 06:24
代码如下：
import java.awt.Dimension;import java.awt.Toolkit;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JOptionPane;import javax.swing.JPasswordField;import javax.swing.JTextField;public class Test26 {    public static void main(String[] args) {        final String userName = "abc";        final String passwrod = "123";        JFrame jFrame = new JFrame("登陆界面");        Dimension dimension = Toolkit.getDefaultToolkit().getScreenSize();        jFrame.setBounds(280, 280, 200, 150);        jFrame.setResizable(false);        jFrame.setLayout(null);        jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);                JLabel label1 = new JLabel("姓名");        label1.setBounds(10, 10, 100, 30);        jFrame.add(label1);                JLabel label2 = new JLabel("密码");        label2.setBounds(10, 40, 100, 30);        jFrame.add(label2);                final JTextField text1 = new JTextField();        text1.setBounds(50, 15, 130, 20);        jFrame.add(text1);                final JPasswordField text2 = new JPasswordField();        text2.setBounds(50, 45, 130, 20);        jFrame.add(text2);                JButton button = new JButton("Login");        button.setBounds(10, 75, 170, 40);        button.addActionListener(new ActionListener() {                        @Override            public void actionPerformed(ActionEvent e) {                if(userName.equals(text1.getText()) && passwrod.equals(text2.getText())) {                    JOptionPane.showMessageDialog(null, "登陆成功误", "提示", JOptionPane.INFORMATION_MESSAGE);                } else {                    JOptionPane.showMessageDialog(null, "错误", "提示", JOptionPane.ERROR_MESSAGE);                    text1.setText("");                    text2.setText("");                }            }        });        jFrame.add(button);                jFrame.setVisible(true);    }}
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