写一段java代码，可以体现javaswing中的MVC模式

以下是一个简单的 Java Swing 中的 MVC 模式示例：

Model 类：

public class Student {
    private String name;
    private int age;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }
}

View 类：

public class StudentView extends JFrame {

    private JTextField nameTextField;
    private JTextField ageTextField;
    private JButton saveButton;

    public StudentView() {

        JLabel nameLabel = new JLabel("Name:");
        nameTextField = new JTextField(20);

        JLabel ageLabel = new JLabel("Age:");
        ageTextField = new JTextField(20);

        saveButton = new JButton("Save");

        JPanel panel = new JPanel(new GridLayout(3, 2));
        panel.add(nameLabel);
        panel.add(nameTextField);
        panel.add(ageLabel);
        panel.add(ageTextField);
        panel.add(saveButton);

        add(panel);

        setTitle("Student Information");
        setSize(300, 200);
        setLocationRelativeTo(null);
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        setVisible(true);
    }

    public String getName() {
        return nameTextField.getText();
    }

    public void setName(String name) {
        nameTextField.setText(name);
    }

    public int getAge() {
        return Integer.parseInt(ageTextField.getText());
    }

    public void setAge(int age) {
        ageTextField.setText(String.valueOf(age));
    }

    public void addSaveListener(ActionListener listener) {
        saveButton.addActionListener(listener);
    }
}

Controller 类：

public class StudentController {
    private Student model;
    private StudentView view;

    public StudentController(Student model, StudentView view) {
        this.model = model;
        this.view = view;

        view.setName(model.getName());
        view.setAge(model.getAge());

        view.addSaveListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                saveStudent();
            }
        });
    }

    private void saveStudent() {
        model.setName(view.getName());
        model.setAge(view.getAge());
        JOptionPane.showMessageDialog(null, "Student information saved successfully.");
    }
}

Main 类：

public class Main {
    public static void main(String[] args) {
        Student model = new Student();
        StudentView view = new StudentView();
        new StudentController(model, view);
    }
}

在这个例子中，`Student` 类是模型，`StudentView` 类是视图，`StudentController` 类是控制器。控制器将模型和视图连接在一起，处理视图中的用户输入并更新模型和视图。这个例子中的模型只有两个属性（姓名和年龄），但是可以添加更多的属性和方法。这是一个非常简单的示例，但是演示了如何使用 MVC 模式在 Java Swing 应用程序中进行开发。