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Article:
  Using Dependency Injection in Java EE 5.0
Subject:   So what's new ?
Date:   2006-05-05 00:22:13
From:   pbpanther
Response to: So what's new ?

The difference between these 2 is unit testing the bean/servlet.


To test with an InitialContext you have to first set up a test context somehow then insert your mock/stub object into the the context.


With dependency injection there is no dependency on an InitialContext in your code, so all you have to do is inject your mock/stub implementation of HelloWorld and you are testing.


The reason for POJOs generally is so that you can unit test your code thoroughly and even program using TDD.