Is there any way for getting the work reviewed by writing communities on line.?

i am asking about no nonsense kind of stuff where i can get creative advice and help.where one's work gets scrutinise in order to let him grow as a writer. and recognise the strengths and weeknesses,without disparaging and discouraging of ones work ,which is usually the case when u show something on social networking and knowledge sharing sites.i want to be a writer and novelist,playwrite.i am 20 yr old guy very pionate about writing.......please advice