Difference between SDLC and STLC

# 1 Waterfall model comes uder SDLC while V model comes under
STLC,in waterfall model testing is done after completion of
project but in v model testing starts from first phase i.e
from requirement.In Waterfall model no correction or
changes is done and in v model after acceptance testing the
changes can be done.




# 2 water fall model goes in step by step means can't back to
the prevoius step...generally used in development of a
SDLC..
while V model belongs to the STLC that is a part of
SDLC .