title: What is Dependency Injection?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/130794/what-is-dependency-injection">What is dependency injection?</a>  </p>
  </blockquote>
  
  
  
  <p>Spring is the framework from where the concept Dependency Injection came to picture.</p>
  
  <p>What is purpose of DI ? How does it benefit ? How is it implemented ?</p>