Android 检测构造函数是否在设计模式下调用

Java
import Java.lang.reflect.Constructor;
import Java.lang.reflect.Modifier;
public class ConstructorDetection {
    public static void mAIn(String[] args) {
        try {
            // 获取类的构造函数
            Class<?> clazz = MySingleton.class;
            Constructor<?> constructor = clazz.getDeclaredConstructor();
            // 检查构造函数的修饰符
            int modifiers = constructor.getModifiers();
            if (Modifier.isPrivate(modifiers)) {
                System.out.println("Constructor is private. Singleton pattern is used.");
            } else {
                System.out.println("Constructor is not private. Singleton pattern is not used.");
            }
        } catch (NoSuchMethodException e) {
            e.printStackTrace();
        }
    }
}
class MySingleton {
    private static MySingleton instance;
    // 私有构造函数
    private MySingleton() {
        instance = this;
    }
    public static MySingleton getInstance() {
        if (instance == null) {
            instance = new MySingleton();
        }
        return instance;
    }
}