例如
判断是多例还是单例
ApplicationContext context = new ClassPathXmlApplicationContext("bean.xml");
User user1 = beanFactory.getBean("user", User.class);
User user2 = beanFactory.getBean("user", User.class);
System.out.println(user1 == user2);

例如
判断是多例还是单例
ApplicationContext context = new ClassPathXmlApplicationContext("bean.xml");
User user1 = beanFactory.getBean("user", User.class);
User user2 = beanFactory.getBean("user", User.class);
System.out.println(user1 == user2);