UPDATE: Due to amazing effort by the Spring team links posted here stands as sort of outdated.
I will advice anyone looking to learn spring from scratch to head over to new awesome guides created by spring team.
Sample codes for the same can be found at Github
Original Answer :
try these links.. hope they are useful.
mkyong and vanilla
and ofcourse Spring's own site
ADDED :
found this new awesome blog do try this also..
its thorough.
:)