Similarly, a method annotated with @PreDestroy on a Spring-managed object will be invoked when the application context hosting that object is closed.
类似地，一个在Spring管理对象上用@PreDestroy注解的方法会在这个对象寄宿的应用程序上下文（application context）关闭的时候被调用。
Similarly, a method annotated with @PreDestroy on a Spring-managed object will be invoked when the application context hosting that object is closed.
类似地，一个在Spring管理对象上用@PreDestroy注解的方法会在这个对象寄宿的应用程序上下文（application context）关闭的时候被调用。
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