double_project/src/MathLearningApp.java

import controller.NavigationController;
import javax.swing.UIManager;
import javax.swing.SwingUtilities;

public class MathLearningApp {
    public static void main(String[] args) {
        // Set system look and feel
        try {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        } catch (Exception e) {
            e.printStackTrace();
        }

        // Start the application
        SwingUtilities.invokeLater(() -> {
            // 获取 NavigationController 实例并显示登录界面
            NavigationController navigationController = NavigationController.getInstance();
            navigationController.showLoginView();
        });
    }
}