Java 기능 개발의 사용자 경험을 개선하는 방법

public class MyFrame extends JFrame {
    private JButton button;
    
    public MyFrame() {
        button = new JButton("点击我");
        button.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                // 在后台线程执行耗时操作
                new Thread(() -> {
                    // 耗时操作
                }).start();
            }
        });
        
        add(button);
        pack();
        setVisible(true);
    }
}

public class MyFrame extends JFrame {
    private JPanel panel;
    private JButton button1;
    private JButton button2;
    private JButton button3;
    
    public MyFrame() {
        panel = new JPanel(new BorderLayout());
        button1 = new JButton("按钮1");
        button2 = new JButton("按钮2");
        button3 = new JButton("按钮3");
        
        panel.add(button1, BorderLayout.WEST);
        panel.add(button2, BorderLayout.CENTER);
        panel.add(button3, BorderLayout.EAST);
        
        add(panel);
        pack();
        setVisible(true);
    }
}

public class Calculator {
    public int divide(int num1, int num2) throws IllegalArgumentException {
        if (num2 == 0) {
            throw new IllegalArgumentException("除数不能为0");
        }
        
        return num1 / num2;
    }
}

public class MyFrame extends JFrame {
    private JButton button;
    
    public MyFrame() {
        button = new JButton("点击我");
        button.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                try {
                    // 调用可能出错的方法
                } catch (Exception exception) {
                    JOptionPane.showMessageDialog(null, "发生错误：" + exception.getMessage(), "错误", JOptionPane.ERROR_MESSAGE);
                }
            }
        });
        
        add(button);
        pack();
        setVisible(true);
    }
}