摘要：
The Spring EL is similar with OGNL and JSF EL, and evaluated or executed during the bean creation time. In addition, all Spring expressions are availa... 阅读全文
摘要：
In Spring, you can either implements `InitializingBean` and `DisposableBean` interface or specify the `init-method` and `destroy-method` in bean confi... 阅读全文
摘要：
In Spring, you can use `init-method` and `destroy-method` as attribute in bean configuration file for bean to perform certain actions upon initializat... 阅读全文
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In Spring, `InitializingBean` and `DisposableBean` are two marker interfaces, a useful way for Spring to perform certain actions upon bean initializat... 阅读全文
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The `@Required` annotation is used to make sure a particular property has been set. If you are migrate your existing project to Spring framework or ha... 阅读全文
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Spring’s dependency checking in bean configuration file is used to make sure all properties of a certain types (primitive, collection or object) have ... 阅读全文
摘要：
In Spring,you can use dependency checking feature to make sure the required properties have been set or injected.##Dependency checking modes4 dependen... 阅读全文
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In Spring, the inheritance is supported in bean configuration for a bean to share common values, properties or configurations.A child bean or inherite... 阅读全文