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What is dependency?

Akhilesh Trivedi
Ranch Hand

Joined: Jun 22, 2005
Posts: 1526
In context to spring, i see the term 'dependency injection' repeating everywhere. What is dependency in terms of objects? Does it mean 'has-a' relationship like being able to create an object from another or?

It is also said the 'container' pushes the dependency.

What is a container, is it the same web-container/JVM? or some other logical thing?

what is - traditional 'pull' dependency ?


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Andi Eska
Greenhorn

Joined: Jun 20, 2003
Posts: 14

There is a nice article from Martin Fowers about Inversion of Control Containers and the Dependency Injection pattern
which will hopefully answer all your questions
Akhilesh Trivedi
Ranch Hand

Joined: Jun 22, 2005
Posts: 1526
Thanks. The article is worth a read.
Akhilesh Trivedi
Ranch Hand

Joined: Jun 22, 2005
Posts: 1526
Could not catch the 'tk' example. IOC.
 
I agree. Here's the link: http://aspose.com/file-tools
 
subject: What is dependency?
 
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