He'll most likely do the following:
1) Try to sound you out. (eg, ask u for ur expectation of a bf,
your standard and stuffs)
2) Try to be friendly with you. (sends you eye contact and
signalling)
3) Asks you for ur hobbies and stuffs, the usual craps.
4) Asks for your number if he hasn't and tries calling you up
5) Asks you out.