title: How to achieve serialization in Objective-c?
body: <p>I want to save an objects state permanently (as in serialization) and retrieve it according to the user need in an objective c project. In simple words, I want to serialize/deserialize an object. 
  Please tell me the best way to achieve this in objective c iPhone project. I will be really thankful to you if u provide me a sample code or any tutorial.</p>