i am new on google app engine . i want to develop an such type of app in which a user can login and and app can store data on the datasore. can i create an user database on google app engine where i can store user details using java ? i know how to create a simple page using Eclipse IDE without datastore . i searched on google a lot but find only one link (https://developers.google.com/appengine/docs/java/datastore/ )
it will be good for me if u give me some sample code link