Hmm. Most of my jobs were via know who - meaning I knew a person who connected me with a person who had a job they needed filled.
Commercial work, such as for JC Pennies I answered ads. JC Pennies had a half page in the newspaper looking for Christmas Seasonal workers. I not only got to work for that Christmas Season but got extended until I quit the next August.
Now days its typical of 20 something year olds to be living off their folks. Back in my fay there was more of a solid, hard 18 year old line drawn in the sand - nay carved in stone.
Understand that society is hitting major catastrophe when it comes to the economy.
We have a 'free capitalist market' which is designed for maximized profits. This means that companies do everything they can to sell as much and make as much money as possible, that means that most real jobs have been shipped off to the Third World were people are paid pennies.
This means that there are far, far less jobs in the First World - while there is abundance of products, no one can afford them.
So you are looking at a landscape where there are fewer and fewer jobs out there because those jobs have been shipped off. Sure there is abundance of products (a glut on the market in many cases) which indicates a healthy economy, but the economy is in crises, is very unhealthy and is about to go tits up.
The Western World is chiefly composed of service industry work (cashiers, stock boys, fast food servers) and 'paper shovelers' - cubical workers. This are all low paying jobs, and used to be 'starter jobs' for starting off as a kid. Now there is a glut of 'old people' who have no other choice but take starter jobs in order to sustain something akin to life.
Walmart, Home Depot and various other places are getting rid of cashiers with 'self checkout terminals. Its all part of the maximize profits deal without any real concern that if you don't have a working population buying money you won't make a fucking dime off of all of the crap you may be selling.
Your best bet is to get a parttime job - ANY parttime job. There are millions upon millions of people looking for work. Any half decent job is being handed to those who already have a job. Thus if you are totally unemployed you are going to be passed over for those with a part-time job already. Google:
https://www.google.com/#q=unemployed+not+being+hired
Yes I know 'I'm a full time student' - Back in my day plenty of full time students worked part-time jobs on top of carrying a full load of credits/units at college/university. Many actually worked themselves through school. So its possible. Hard - yes, you will be exhausted - however right now is the best time to get that part-time ANY job because you have university you are attending right now which works magically for employ-ability for most companies who are going to pass up an unemployed out of school person.