Each class will get their own exotic gun Hunters get a Hand Cannon Titans get a Auto Rifle and Warlocks get a Scout Rifle I'll try to find the guns in the armory.
This is the titans gun https://www.bungie.net/en/Armory/Detail?type=item&item=2748609458&itemname=Fabian%20Strategy
This is the Hunters gun https://www.bungie.net/en/Armory/Detail?type=item&item=552354419&itemname=Ace%20of%20Spades
This is the Warlocks gun https://www.bungie.net/en/Armory/Detail?type=item&item=803312564&itemname=Tlaloc