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DI Queries

 
Soniya Ahuja
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Hi,
In my current project we are using a lot of Dependency Injection. I need to know

1. When should setter injection be used and when should we go for constructor injection?
2. Should Programming to Interfaces be used always for DI?
3. How can we program to ask our container to inject dependencies for us (kike in Spring)?

Any help appreciated

Thanks in advance.
 
Jeanne Boyarsky
author & internet detective
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#1 is covered in this thread

#2 - Very few things are "always" true in programming.

#3 - Use Spring?
 
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