Can i apply for job seekers allowance?

i have just finished uni this year (graduation ceremony in july), like many others i cant get a job. am i allowed to claim job seekers allowance? what about housing benefit? im renting above a takeaway and pay directly with cash to the family which i live with (not related to me, i just rent a room), so formal contract as such. i hate this economy, i dont want to do this, but i have no choice! yes i am uk citizen and i have never applied for any other benefits before.