class InstantiationAwareBeanPostProcessorApplication {

    public static void main(String[] args) {<FILL_FUNCTION_BODY>}
}

        AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(MyConfiguration.class);
        DataBase userService = context.getBean(DataBase.class);
        System.out.println("username = " + userService.getUsername());
        System.out.println("password = " + userService.getPassword());
        System.out.println("postInstantiationFlag = " + userService.isPostInstantiationFlag());
    
<no_super_class>