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POBeanFactory vs ApplicationContext
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copied!<p>I'm pretty new to the Spring Framework, I've been playing around with it and putting a few samples apps together for the purposes of evaluating Spring MVC for use in an upcoming company project. So far I really like what I see in Spring MVC, seems very easy to use and encourages you to write classes that are very unit test-friendly.</p> <p>Just as an exercise, I'm writing a main method for one of my sample/test projects. One thing I'm unclear about is the exact differences between <code>BeanFactory</code> and <code>ApplicationContext</code> - which is appropriate to use in which conditions?</p> <p>I understand that <code>ApplicationContext</code> extends <code>BeanFactory</code>, but if I'm just writing a simple main method, do I need the extra functionality that <code>ApplicationContext</code> provides? And just exactly what kind of extra functionality does <code>ApplicationContext</code> provide?</p> <p>In addition to answering "which should I use in a main() method", are there any standards or guidelines as far as which implementation I should use in such a scenario? Should my main() method be written to depend on the bean/application configuration to be in XML format - is that a safe assumption, or am I locking the user into something specific?</p> <p>And does this answer change in a web environment - if any of my classes needed to be aware of Spring, are they more likely to need <code>ApplicationContext</code>?</p> <p>Thanks for any help. I know a lot of these questions are probably answered in the reference manual, but I'm having a hard time finding a clear breakdown of these two interfaces and the pros/cons of each without reading thru the manual with a fine-tooth comb.</p>

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